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Original Article |

High Occurrence of Mood and Anxiety Disorders Among Older Adults:  The National Comorbidity Survey Replication FREE

Amy L. Byers, PhD, MPH; Kristine Yaffe, MD; Kenneth E. Covinsky, MD, MPH; Michael B. Friedman, MSW, LMSW; Martha L. Bruce, PhD, MPH
[+] Author Affiliations

Author Affiliations: Departments of Psychiatry (Drs Byers and Yaffe), Neurology (Dr Yaffe), Epidemiology and Biostatistics (Dr Yaffe), and Medicine, Division of Geriatrics (Dr Covinsky), University of California, San Francisco, and San Francisco Veterans Affairs Medical Center (Drs Byers, Yaffe, and Covinsky); The Geriatric Mental Health Alliance, New York (Mr Friedman), and Department of Psychiatry, Weill Cornell Medical College, Weill Cornell Institute of Geriatric Psychiatry, White Plains (Dr Bruce), New York.


Arch Gen Psychiatry. 2010;67(5):489-496. doi:10.1001/archgenpsychiatry.2010.35.
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Context  Little is known about prevalence rates of DSM-IV disorders across age strata of older adults, including common conditions such as individual and coexisting mood and anxiety disorders.

Objective  To determine nationally representative estimates of 12-month prevalence rates of mood, anxiety, and comorbid mood-anxiety disorders across young-old, mid-old, old-old, and oldest-old community-dwelling adults.

Design  The National Comorbidity Survey Replication (NCS-R) is a population-based probability sample of 9282 participants 18 years and older, conducted between February 2001 and April 2003. The NCS-R survey used the fully structured World Health Organization World Mental Health Survey version of the Composite International Diagnostic Interview.

Setting  Continental United States.

Participants  We studied the 2575 participants 55 years and older who were part of NCS-R (43%, 55-64 years; 32%, 65-74 years; 20%, 75-84 years; 5%, ≥85 years). This included only noninstitutionalized adults, as all NCS-R participants resided in households within the community.

Main Outcome Measures  Twelve-month prevalence of mood disorders (major depressive disorder, dysthymia, bipolar disorder), anxiety disorders (panic disorder, agoraphobia, specific phobia, social phobia, generalized anxiety disorder, posttraumatic stress disorder), and coexisting mood-anxiety disorder were assessed using DSM-IV criteria. Prevalence rates were weighted to adjust for the complex design to infer generalizability to the US population.

Results  The likelihood of having a mood, anxiety, or combined mood-anxiety disorder generally showed a pattern of decline with age (P < .05). Twelve-month disorders showed higher rates in women compared with men, a statistically significant trend with age. In addition, anxiety disorders were as high if not higher than mood disorders across age groups (overall 12-month rates: mood, 5% and anxiety, 12%). No differences were found between race/ethnicity groups.

Conclusion  Prevalence rates of DSM-IV mood and anxiety disorders in late life tend to decline with age, but remain very common, especially in women. These results highlight the need for intervention and prevention strategies.

Figures in this Article

Knowledge of the prevalence of mood and anxiety disorders and coexisting mood-anxiety disorder in older community-dwelling adults is important; these are hidden and undertreated but treatable disorders associated with poor health outcomes.15 Such information is imperative, especially considering the current and projected growth of the older segment of the population. Understanding these distributions has important implications for intervention and prevention strategies in geriatric research and care. However, epidemiological studies of psychiatric disorders in elderly Americans are limited. The majority of research has involved small studies, generally in clinical settings, which limits generalizability to the population.68 The small number of community-based studies have used symptom scales as opposed to structured clinical interviews to assess prevalence of disorders.9,10

The Epidemiologic Catchment Area (ECA) Survey,11 conducted from 1980-1984 in 5 US cities, has been used for many years as the standard to estimate the prevalence of psychiatric disorders in US adults 65 years and older.10 Despite its impressive impact, the ECA has 2 important limitations. First, the ECA is not a nationally representative probability sample. Second, it used the Diagnostic Interview Schedule,12 which allowed the determination of DSM-III13 diagnoses but not current DSM-IV.14 The original National Comorbidity Survey (NCS), conducted in 1990-1992, is a national probability sample, unlike the ECA. However, the NCS did not include older adults and also examined DSM-III-R disorders.15 In contrast, the NCS Replication (NCS-R) was conducted in 2001-2003 and included older adult respondents and expanded assessments based on the current diagnostic criteria of the DSM-IV.14 Additionally, the NCS-R includes a nationally representative distribution of sex and race/ethnicity. These are 2 important demographic factors when considering prevalence rates at the population level but are understudied in mental health research of late life.1619 Recent examination of the NCS-R included comparison of older adults' (≥65 years) and younger adults' (18-44 years and 45-64 years) prevalence rates.20 This study did not consider detailed comparisons of older age cohorts, including the oldest old (≥85 years), and did not account for comorbid mood and anxiety disorder.

The purpose of our study was to determine nationally representative estimates of age-specific 12-month prevalence rates of DSM-IV mood, anxiety, and comorbid disorders among community-dwelling older adults in the NCS-R, comparing young-old, mid-old, old-old, and oldest-old US respondents. This study examines age-stratified diagnostic measures of psychiatric disorders, including the oldest-old and sex and race/ethnic differences, in a large probability sample of older adults.

PARTICIPANTS

The NCS-R is a nationally representative survey of 9282 noninstitutionalized participants 18 years and older in the coterminous United States.2123 Respondents were selected from a multistage clustered area probability sample of households. Face-to-face interviews were conducted in respondents' homes between February 2001 and April 2003. Individuals residing in nursing homes, assisted living, and independent living facilities were therefore excluded from the sample. Any clustering of respondents by retirement communities was alleviated by the household enumeration procedures used in NCS-R to create a national probability sample. Professional interviewers from the Institute for Social Research at the University of Michigan, Ann Arbor, carried out interviews. The response rate was 70.9%.21

The current sample consisted of 2575 community-based adults 55 years and older, with data obtained from the Inter-university Consortium for Political and Social Research.24 The NCS-R was administered in 2 parts. The part 1 sample, which is the focus of this study, included all respondents assessed for core mental disorders. One thousand three hundred seventy-two of the 2575 who met criteria for any lifetime mental disorder in part 1, plus a probability subsample of other participants from part 1, received a part 2 interview.21,25,26 The part 2 interview included questions about risk factors, consequences, other correlates, and additional mental disorders. Assessment for posttraumatic stress disorder required lengthier introductory questions than other disorders, which precluded the quick skip out of noncases that was desired in part 1.21 Thus, posttraumatic stress disorder was only assessed in the part 2 survey. The NCS-R data were weighted to control for differential probabilities of selection, differential nonresponse, and residual differences between demographic variables of the sample and 2000 US census population.23,27 A detailed description of the NCS-R sampling and weighting procedures are outlined elsewhere.23

MEASURES
Diagnostic Assessment

The NCS-R diagnoses were determined using the World Health Organization World Mental Health (WMH) Survey Initiative version of the Composite International Diagnostic Interview (CIDI).28 The WMH-CIDI is a fully structured lay interview that generates lifetime and 12-month diagnoses according to the International Classification of Diseases, 10th Revision29 and DSM-IV14 criteria.21,25 In the present analyses, the DSM-IV criteria were used. The mental disorders examined included mood disorders (major depressive disorder, dysthymia, bipolar I and II disorders), anxiety disorders (panic disorder, agoraphobia without panic, specific phobia, social phobia, generalized anxiety disorder, and posttraumatic stress disorder), and comorbid mood-anxiety disorder (ie, any co-occurring mood and anxiety disorders). DSM-IV organic exclusion rules and hierarchy rules were used in making diagnoses.21,25 Using a probability subsample of NCS-R respondents in a clinical calibration design,30 Kessler et al21 found that blind clinical reinterviews with the Structured Clinical Interview for DSM-IV31 were in good concordance with WMH-CIDI diagnoses for mood and anxiety disorders.

Sociodemographic Variables

Distributions of sociodemographic variables by 12-month DSM-IV/WMH-CIDI mood, anxiety, and comorbid mood-anxiety disorders were examined. The main demographic variable of interest was age defined by 4 categories: young-old (55-64 years), mid-old (65-74 years), old-old (75-84 years), and oldest old (≥85 years). These were examined overall and by sex and race/ethnicity (non-Hispanic white, non-Hispanic black, and Hispanic or other). In addition, we examined completed years of education (0-11, 12, 13-15, and ≥16), marital status (married/cohabitating, divorced/separated/widowed, never married), and geographic region of residence (Northeast, Midwest, South, and West).

To create as accurate a presentation as possible of the trend of psychiatric disorders across increasing age groups, plots of figures were further refined, plotting weighted prevalence rates by 5-year age intervals.

STATISTICAL ANALYSES

Prevalence rates were determined by frequency measures and cross-tabulations estimating age differences across DSM-IV disorders. Twelve-month prevalence was estimated as the percentage of respondents who had a mood, anxiety, or comorbid mood-anxiety disorder in the year prior to the interview.

Three sets of analyses were considered for mood, anxiety, and comorbid disorders. First, overall proportions were estimated by the age categories young-old, mid-old, old-old, and oldest old. Second, age differences were examined by sex. Finally, age differences were examined by race/ethnicity. To statistically test if prevalence trends across age groups were different between men and women and between race/ethnic categories, interaction terms with age modeled as continuous (and main effects) were examined in logistic regression analyses, correcting for the complex sampling design. Because overall prevalence rates were similar and prevalence patterns with age were similar across race/ethnic groups, subgroup results by race/ethnicity are not presented.

To produce nationally representative estimates, clustering and weighting techniques were implemented to reduce systematic bias and imprecision embedded in the complex sampling design. Thus, the percentages represent weighted proportions and statistical differences were estimated based on the Rao-Scott χ2, which corrects for the complex design.32 The standard errors were determined from a recalculation of variance using the Taylor series linear approximation method.33 Design-adjusted estimates and tests were not computed when a table cell had zero frequency.

The part 1 sample and weights were used for all analyses except individual analyses of posttraumatic stress disorder, which were conducted with part 2 weights and included an additional weight adjusting for oversampling of part 1 cases. Because posttraumatic stress disorder was a component of the pooled anxiety disorders, sensitivity analyses were conducted using the part 2 sample to examine pooled (any) anxiety disorders, as well as comorbid disorder. The results using either sample for analysis were shown to be similar. Therefore, to maintain power and precision, all final analyses of pooled disorders were conducted using the larger part 1 sample.

Statistical tests were 2-tailed with P ≤ .05 defining statistical significance. All analyses were performed using SAS survey procedures (version 9.1.3; SAS Institute Inc, Cary, North Carolina).

The 2575 participants 55 years and older who were part of NCS-R included 43% aged 55 to 64 years, 32% aged 65 to 74 years, 20% aged 75 to 84 years, and 5% 85 years and older. The mean (SD) age was approximately 68 (9.2) years. The sample distribution was 59% women, 82% non-Hispanic white, 10% non-Hispanic black, and approximately 4% Hispanic. The majority of the sample had a high school education or higher, and more than half the respondents were married or not living alone. The distribution of the sample by region was representative across the United States.

In Table 1, cross-tabulations of demographic characteristics and 12-month DSM-IV/WMH-CIDI mood, anxiety, and comorbid mood-anxiety disorders are presented. Sex and marital status were prominent characteristics associated with DSM-IV disorders. Women had significantly higher rates of mood, anxiety, and comorbid disorders than men (P < .05). Being married or cohabitating were statistically significantly associated with lower rates of mood, anxiety, and comorbid disorders compared with being divorced, separated, widowed, or never married. For education, statistical differences were apparent for any anxiety disorders, where low education (incompletion of high school) and college years were associated with high rates of anxiety. There were no differences for any disorder by race/ethnicity or geographic region of residence.

Table Graphic Jump LocationTable 1 Demographic Characteristics of 2575 Adults 55 Years and Older From the NCS-R by 12-Month DSM-IV/WMH-CIDI Mood, Anxiety, and Comorbid Disorders
MOOD DISORDERS 12-MONTH AGE-SPECIFIC PREVALENCE

The overall and age-specific 12-month rates for mood disorders are presented in Table 2. The rates mainly declined across age groups (55 years and older). Twelve-month rates for any mood disorder and major depressive disorder significantly declined with age (P < .001).

Table Graphic Jump LocationTable 2 12-Month Prevalence Rates of DSM-IV/WMH-CIDI Mood, Anxiety, and Comorbid Disorders in 2575 Adults 55 Years and Older

For stratified analyses by sex, the Figure, A shows the prevalence rates of pooled mood disorders for women and men; 12-month prevalence rates declined with age for both women and men. However, the 12-month rates with increasing age were statistically significantly more prominent for women than men (β interaction = 0.06; Wald χ21 = 3.7; P interaction = .05). There were no differences in the prevalence of mood disorders with increasing age by race or ethnicity.

Place holder to copy figure label and caption
Figure

A, Twelve-month prevalence rates of any DSM-IV/World Mental Health Survey Initiative version of the Composite International Diagnostic Interview (WMH-CIDI) mood disorder in men (n = 1053) and women (n = 1522). B, Twelve-month prevalence rates of any DSM-IV/WMH-CIDI anxiety disorder in men (n = 1053) and women (n = 1522). C, Twelve-month prevalence rates of DSM-IV/WMH-CIDI comorbid disorder in men (n = 1053) and women (n = 1522).

Graphic Jump Location
ANXIETY DISORDERS 12-MONTH AGE-SPECIFIC PREVALENCE

The overall and age-specific 12-month rates for anxiety disorders are presented in Table 2. The most prevalent 12-month anxiety disorder was specific phobia, followed by social phobia, posttraumatic stress disorder, generalized anxiety disorder, panic disorder, and agoraphobia. Differences in 12-month prevalence rates across the 4 age categories for the pooled and for most individual anxiety disorders were statistically significant (P < .05).

For analyses by sex, the Figure, B shows that for women (Rao-Scott χ23 = 22.7; P < .001) and men (Rao-Scott χ23 = 41.8; P < .001) the prevalence of pooled anxiety disorder declined with age, with rates among women significantly more prominent than men (β interaction = 0.05; Wald χ21 = 5.0; P interaction = .03). There were no differences in the prevalence of anxiety disorders with increasing age by race or ethnicity.

COMORBID MOOD-ANXIETY DISORDER 12-MONTH AGE-SPECIFIC PREVALENCE

With regard to comorbid mood-anxiety disorder, the overall 12-month prevalence rate was 3% (Table 2). The 12-month rates for comorbid disorder showed a general decline with age (55 years and older). The Figure, C portrays a similar decreasing prevalence pattern by sex for the diagnosis of 12-month comorbid mood-anxiety disorder across age groups, with no statistically significant difference between women and men (P interaction = .22).

The purpose of this article was to document nationally representative age-specific prevalence rates of DSM-IV mood, anxiety, and comorbid mood-anxiety disorders for adults 55 years and older. There are 3 key findings in the present study: (1) declining prevalence with age; (2) rates of anxiety disorders as high as mood disorders; and (3) the common co-occurrence of these disorders. Rates were generally higher for women in each age group but did not vary by race or ethnicity.

The first and general finding from our study was the overall trend found for adults of increasing age—a general decline in the 12-month prevalence of mood, anxiety, and comorbid disorders. Statistically, prevalence rates with increasing age were more prominent for 12-month rates among women compared with men (P < .05). Earlier studies of both clinical and community-based studies suggest such a pattern of decline with age.6,10,34 The ECA found a consistent trend of lower DSM mental disorders in late life when grouping age categories together. Work by Gum et al20 found a similar trend in the NCS-R with lower rates in older adults (≥65 years) vs younger adults (aged 18-64 years). Recent international research by Kohn and colleagues35 found the same decreasing pattern with age in a sample of adults from Latin America. Further, studies have found women to have higher prevalence rates of symptoms of depression, anxiety, and coexisting depression-anxiety than men, while racial differences are less consistent.1618 Our study found no statistically significant difference across race/ethnicity; however, small cell counts for minority groups equated to lower power to detect a difference.

The second key finding was that rates of anxiety disorders were as high or even higher (with pooled rates higher; overall 12-month rate, 12%) than mood disorders (overall 12-month rate, 5%). The age-specific rates of anxiety were higher than mood disorders in each age group, with 12-month rates 17% for those aged 55 to 64 years (vs 8% for mood) and 8% for those 85 years and older (vs 2% for mood). Similarly, anxiety disorders were the most prevalent disorders among those 65 years and older in the ECA, with phobic disorder the most prevalent individual disorder.10 Interestingly, we found high prevalence of specific and social phobias, disorders not often investigated and often underappreciated. Unlike our study, the Longitudinal Aging Study Amsterdam determined high rates of generalized anxiety disorder (7.3% vs 2.0% in our study).36 This discrepancy between reported prevalence rates highlights largely methodological differences (eg, sampling procedures and attrition rates, definition and operationalization of anxiety) and potential cultural differences between population-based studies. Most studies of anxiety disorders among US older adults have been examined relative to their occurrence in patients with depression. Research by Lenze et al37 found a high rate of at least 1 current (23%) anxiety disorder in depressed older adults (≥60 years) from primary care and psychiatric settings. Work from our group investigating anxiety symptoms in a cohort of community-dwelling older adults (aged 70-79 years) found that 19% of participants reported current anxiety symptoms, where women (20%) had higher rates than men (12%) (P < .001).16 Our present findings suggest similar results with diagnostic anxiety disorders, which are prominent and pervasive in older adults even into the oldest years.

The third finding was the high rate of coexisting mood and anxiety disorders in NCS-R respondents (overall 12-month rate, 3%). Geriatric psychiatry research is struggling to understand the comorbid depression-anxiety outcomes and treatment needs. Thus far, the impact of comorbid depression-anxiety is greater than initially estimated. Most US studies have been clinically based and, as mentioned earlier, found high prevalence rates of comorbid anxiety in patients with depression.3739 In contrast, the NCS-R's advantage is that it allows the examination of a nationally representative group, highlighting the impact of comorbid and individual mood and anxiety disorders in the population. Our results showed that the co-occurrence of mood and anxiety disorders in the community was high, common, and significant across age strata 55 years and older, investigating overall trends as well as by sex and race/ethnicity.

Investigation of the oldest age cohort (≥85 years), which maintained prominent prevalence rates, warrants comment. Because individuals 85 years and older are not always captured in geriatric psychiatric research, the present examination suggests the need for more research in this group and confronting potential challenges specific to the study of this group. For example, the oldest old are less available for study, except in institutional settings, and experience heterogeneity of comorbid diseases, creating difficult study of pure disorders in the population.40 Epidemiological evidence for age-specific trends of depression in older adults often measured with the Center for Epidemiologic Studies Depression Scale41 or Geriatric Depression Scale42 has shown an increase in symptoms in the oldest cohort,1,9,10,40,43 while in most clinical studies,6,10 rates of diagnosed depression consistently decline in older age groups. Thus, understanding diagnostic patterns in the oldest old is complex and requires more investigation than the present study provides.

In contrast, given the strong effect of cognitive and physical health as predictors and outcomes of mental health disorders,15 the finding of a general decline in mood, anxiety, and comorbid mood-anxiety disorders with age is counterintuitive. Three possible explanations for this general decline with age include (1) cohort effect (ie, as the young-old age, they will maintain higher levels of mental disorders); (2) healthy survivor bias or differential mortality, institutionalization (ie, those institutionalized were not sampled); and (3) epidemiological methods and diagnostic issues in assessing older adults for psychiatric disorders (eg, difficulty remembering symptoms, stigma related to the reporting of mental health disorders, somatic symptoms reported but determined to be related to chronic conditions instead of mental health disorders).

The strengths of this study include a nationally representative probability sample, current DSM diagnostic assessment, and precise age stratification to define trends for young-old, mid-old, old-old, and oldest-old cohorts. This study helps to describe the prevalence of mood, anxiety, and comorbid mood-anxiety disorders in a nationally representative sample of older US adults. It highlights those disorders with the greatest potential for intervention and prevention, research, and services, translating back into science those diseases with the greatest potential impact on the older public's health.

The implications of the study findings include the public health relevance of anxiety disorders in older adults and the need for more research focused on the oldest-old age group, women, and minority groups. Given the high prevalence of anxiety disorders in the community, the lack of attention in research and program policy statements to anxiety disorders in older adults is disturbing.44,45 The literature has shown that comorbid anxiety in depressed elderly patients leads to poorer treatment outcomes than depression alone.38 Thus, the high prevalence of comorbid mood-anxiety disorders found in our study suggests the modifying influence of anxiety on antidepressant treatment outcomes is a serious concern.

The oldest old are the fastest growing age group in the United States.40 The oldest old are often underrepresented so estimates from community samples have been difficult to obtain. Because mental disorders are associated with declining physical health that occurs with frequency in older age,15 the assessment of psychiatric disorders is an important indicator of health and increased risk of mortality in this older population.

In addition, these results expand beyond the field of geriatric psychiatry, highlighting the importance of diagnosis, treatment, and management of psychiatric symptoms and disorders in younger years. Given the chronicity of these disorders, preventing their occurrence in later life implies that clinicians and researchers outside geriatrics need to be more vigilant about diagnosis and treatment in early years. These disorders are common in younger adults and most have early age at onset but often are not diagnosed or underdiagnosed and undertreated.21,27

There are 3 main limitations of this study. First, the NCS-R underrepresents homeless, institutionalized, and non–English-speaking older adults. Second, there may be issues of stigma, whereby older adults with mental illness might be less inclined to participate in a mental health survey. Third, even though the WMH-CIDI was shown to have good concordance with the Structured Clinical Interview for DSM-IV,21 it is still a lay-administered interview rather than a clinically administered assessment, especially in the context of medical illness, disability, and cognitive decline. Thus, given these limitations, the estimates herein are probably conservative.

Additional limitations include details associated with surveying older populations that were not available in the NCS-R. These include assessment of the response rate in those 55 years and older and demonstration of acceptable reliability of the NCS-R instruments for older adults. Further, the NCS-R was limited in its assessment of mood disorders, as we were unable to determine prevalence rates of some disorders that would be considered common in older adults, eg, depression not otherwise specified, dementia with depression, mood disorders secondary to medical disorders, adjustment disorders with depression, and bereavement. Because depression in older adults may present differently (more apathy, social withdrawal, irritability), the criteria for a major depression diagnosis may not be met, although the other symptoms may be severe, suggesting an underestimation of the prevalence rate in NCS-R older adults. This underestimation is probably large considering the potential for reporting bias in older adults due to difficulty recalling symptoms or difficulty associating symptoms with psychological distress.

The study of nationally representative samples provides evidence for research and policy planning that helps to define community-based priorities for future psychiatric research. The findings of this study emphasize the importance of individual and coexisting mood and anxiety disorders when studying older adults, even the oldest cohorts. Further study of risk factors, course, and severity is needed to target intervention, prevention, and health care needs. Given the rapid aging of the US population, the potential public health burden of late-life mental health disorders will likely grow as well, suggesting the importance of continued epidemiologic monitoring of the mental health status of the young-old, mid-old, old-old, and oldest-old cohorts.

Correspondence: Amy L. Byers, PhD, MPH, Department of Psychiatry, University of California, San Francisco, San Francisco VA Medical Center, 4150 Clement St (116H), San Francisco, CA 94121 (amy.byers@ucsf.edu).

Submitted for Publication: July 13, 2009; final revision received September 16, 2009; accepted October 19, 2009.

Author Contributions: All authors had access to the NCS-R data. Dr Byers conducted the data analysis and takes responsibility for the integrity of the data and the accuracy of the statistical results.

Financial Disclosure: None reported.

Funding/Support: Dr Byers is supported by K01 Career Development Award MH079093 from the National Institute of Mental Health. Dr Yaffe is supported, in part, by K24 Midcareer Investigator Award AG031155 from the National Institute on Aging. The NCS-R was supported by National Institute of Mental Health grant U01-MH60220, with supplemental support from the National Institute of Drug Abuse, the Substance Abuse and Mental Health Services Administration, the Robert Wood Johnson Foundation grant 044708, and the John W. Alden Trust.

Role of Sponsor: The sponsors had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; or the preparation, review, or approval of the manuscript.

Disclaimer: We acknowledge that the original collector of the data, Inter-university Consortium for Political and Social Research; sponsoring organizations; agencies; or the US government bear no responsibility for use of the data or for interpretations or inferences based on such uses. The views and opinions expressed in this report are those of the authors and should not be construed otherwise.

Previous Presentation: Portions of the manuscript were presented at the 61st Annual Scientific Meeting of the Gerontological Society of America; November 23, 2008; National Harbor, Maryland.

Additional Information: This research used the NCS-R 2001-2003 data set (made accessible in 2007, machine-readable data files). The NCS-R is part of the Collaborative Psychiatric Epidemiology Surveys, 2001-2003. The Inter-university Consortium for Political and Social Research (Ann Arbor, Michigan) is responsible for the preparation, organization, and access of the public use of this data (http://www.icpsr.umich.edu/CPES).

Additional Contributions: We thank the NCS-R researchers who participated in collecting the data that made this project possible.

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Kessler  RCBerglund  PChiu  WTDemler  OHeeringa  SHiripi  EJin  RPennell  BEWalters  EEZaslavsky  AZheng  H The US National Comorbidity Survey Replication (NCS-R): design and field procedures. Int J Methods Psychiatr Res 2004;13 (2) 69- 92
PubMed Link to Article
Alegria  MJackson  JSKessler  RCTakeuchi  D Collaborative Psychiatric Epidemiology Surveys (CPES), 2001-2003 [computer file].  Ann Arbor, MI: Institute for Social Research, Survey Research Center; 2007. ICPSR20240-v2
Kessler  RCChiu  WTDemler  OMerikangas  KRWalters  EE Prevalence, severity, and comorbidity of 12-month DSM-IV disorders in the National Comorbidity Survey Replication. Arch Gen Psychiatry 2005;62 (6) 617- 627
PubMed Link to Article
Kessler  RCDemler  OFrank  RGOlfson  MPincus  HAWalters  EEWang  PWells  KBZaslavsky  AM Prevalence and treatment of mental disorders, 1990 to 2003. N Engl J Med 2005;352 (24) 2515- 2523
PubMed Link to Article
Kessler  RCBerglund  PDemler  OJin  RKoretz  DMerikangas  KRRush  AJWalters  EEWang  PSNational Comorbidity Survey Replication, The epidemiology of major depressive disorder: results from the National Comorbidity Survey Replication (NCS-R). JAMA 2003;289 (23) 3095- 3105
PubMed Link to Article
Kessler  RCUstun  TB The World Mental Health (WMH) Survey Initiative Version of the World Health Organization (WHO) Composite International Diagnostic Interview (CIDI). Int J Methods Psychiatr Res 2004;13 (2) 93- 121
PubMed Link to Article
World Health Organization International Statistical Classification of Diseases, 10th Revision (ICD-10).  Geneva, Switzerland: World Health Organization; 1992
Kessler  RCAbelson  JDemler  OEscobar  JIGibbon  MGuyer  MEHowes  MJJin  RVega  WAWalters  EEWang  PZaslavsky  AZheng  H Clinical calibration of DSM-IV diagnoses in the World Mental Health (WMH) version of the World Health Organization (WHO) Composite International Diagnostic Interview (WMH-CIDI). Int J Methods Psychiatr Res 2004;13 (2) 122- 139
PubMed Link to Article
First  MBSpitzer  RLGibbon  MWilliams  JBW Structured Clinical Interview for DSM-IV Axis-I Disorders. Research Version, Non-Patient Edition (SCID-I/NP).  New York: Biometrics Research, New York State Psychiatric Institute; 2002
Rao  JNKScott  AJ The analysis of categorical data from complex sample surveys: chi-squared tests for goodness of fit and independence in two-way tables. J Am Stat Assoc 1981;76 (374) 221- 230
Link to Article
Levy  PSLemeshow  S Sampling of Populations.  New York, NY: John Wiley & Sons; 1999
Henderson  ASJorm  AFKorten  AEJacomb  PChristensen  HRodgers  B Symptoms of depression and anxiety during adult life: evidence for a decline in prevalence with age. Psychol Med 1998;28 (6) 1321- 1328
PubMed Link to Article
Kohn  RVicente  BSaldivia  SRioseco  PTorres  S Psychiatric epidemiology of the elderly population in Chile. Am J Geriatr Psychiatry 2008;16 (12) 1020- 1028
PubMed Link to Article
Beekman  ATBremmer  MADeeg  DJvan Balkom  AJSmit  JHde Beurs  Evan Dyck  Rvan Tilburg  W Anxiety disorders in later life: a report from the Longitudinal Aging Study Amsterdam. Int J Geriatr Psychiatry 1998;13 (10) 717- 726
PubMed Link to Article
Lenze  EJMulsant  BHShear  MKSchulberg  HCDew  MABegley  AEPollock  BGReynolds  CF  III Comorbid anxiety disorders in depressed elderly patients. Am J Psychiatry 2000;157 (5) 722- 728
PubMed Link to Article
Lenze  EJ Comorbidity of depression and anxiety in the elderly. Curr Psychiatry Rep 2003;5 (1) 62- 67
PubMed Link to Article
Lenze  EJMulsant  BHShear  MKAlexopoulos  GSFrank  EReynolds  CF  III Comorbidity of depression and anxiety disorders in later life. Depress Anxiety 2001;14 (2) 86- 93
PubMed Link to Article
Blazer  DG Psychiatry and the oldest old. Am J Psychiatry 2000;157 (12) 1915- 1924
PubMed Link to Article
Radloff  L The CES-D scale: a self-report depression scale for research in the general population. Appl Psychol Meas 1977;1 (3) 385- 401
Link to Article
Yesavage  JA Geriatric Depression Scale. Psychopharmacol Bull 1988;24 (4) 709- 711
PubMed
Gatz  MHurwicz  ML Are old people more depressed? cross-sectional date on Center for Epidemiological Studies Depression Scale factors. Psychol Aging 1990;5 (2) 284- 290
PubMed Link to Article
Wetherell  JLKim  DSLindamer  LAThorp  SRHawthorne  WKim  KHough  RLGarcia  PJeste  DV Anxiety disorders in a public mental health system: clinical characteristics and service use patterns. J Affect Disord 2007;104 (1-3) 179- 183
PubMed Link to Article
Flint  AJ Epidemiology and comorbidity of anxiety disorders in the elderly. Am J Psychiatry 1994;151 (5) 640- 649
PubMed

Figures

Place holder to copy figure label and caption
Figure

A, Twelve-month prevalence rates of any DSM-IV/World Mental Health Survey Initiative version of the Composite International Diagnostic Interview (WMH-CIDI) mood disorder in men (n = 1053) and women (n = 1522). B, Twelve-month prevalence rates of any DSM-IV/WMH-CIDI anxiety disorder in men (n = 1053) and women (n = 1522). C, Twelve-month prevalence rates of DSM-IV/WMH-CIDI comorbid disorder in men (n = 1053) and women (n = 1522).

Graphic Jump Location

Tables

Table Graphic Jump LocationTable 1 Demographic Characteristics of 2575 Adults 55 Years and Older From the NCS-R by 12-Month DSM-IV/WMH-CIDI Mood, Anxiety, and Comorbid Disorders
Table Graphic Jump LocationTable 2 12-Month Prevalence Rates of DSM-IV/WMH-CIDI Mood, Anxiety, and Comorbid Disorders in 2575 Adults 55 Years and Older

References

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Gum  AMKing-Kallimanis  BKohn  R Prevalence of mood, anxiety, and substance-abuse disorders for older Americans in the National Comorbidity Survey-Replication. Am J Geriatr Psychiatry 2009;17 (9) 769- 781
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Kessler  RCBerglund  PDemler  OJin  RMerikangas  KRWalters  EE Lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the National Comorbidity Survey Replication. Arch Gen Psychiatry 2005;62 (6) 593- 602
PubMed Link to Article
Kessler  RCMerikangas  KR The National Comorbidity Survey Replication (NCS-R): background and aims. Int J Methods Psychiatr Res 2004;13 (2) 60- 68
PubMed Link to Article
Kessler  RCBerglund  PChiu  WTDemler  OHeeringa  SHiripi  EJin  RPennell  BEWalters  EEZaslavsky  AZheng  H The US National Comorbidity Survey Replication (NCS-R): design and field procedures. Int J Methods Psychiatr Res 2004;13 (2) 69- 92
PubMed Link to Article
Alegria  MJackson  JSKessler  RCTakeuchi  D Collaborative Psychiatric Epidemiology Surveys (CPES), 2001-2003 [computer file].  Ann Arbor, MI: Institute for Social Research, Survey Research Center; 2007. ICPSR20240-v2
Kessler  RCChiu  WTDemler  OMerikangas  KRWalters  EE Prevalence, severity, and comorbidity of 12-month DSM-IV disorders in the National Comorbidity Survey Replication. Arch Gen Psychiatry 2005;62 (6) 617- 627
PubMed Link to Article
Kessler  RCDemler  OFrank  RGOlfson  MPincus  HAWalters  EEWang  PWells  KBZaslavsky  AM Prevalence and treatment of mental disorders, 1990 to 2003. N Engl J Med 2005;352 (24) 2515- 2523
PubMed Link to Article
Kessler  RCBerglund  PDemler  OJin  RKoretz  DMerikangas  KRRush  AJWalters  EEWang  PSNational Comorbidity Survey Replication, The epidemiology of major depressive disorder: results from the National Comorbidity Survey Replication (NCS-R). JAMA 2003;289 (23) 3095- 3105
PubMed Link to Article
Kessler  RCUstun  TB The World Mental Health (WMH) Survey Initiative Version of the World Health Organization (WHO) Composite International Diagnostic Interview (CIDI). Int J Methods Psychiatr Res 2004;13 (2) 93- 121
PubMed Link to Article
World Health Organization International Statistical Classification of Diseases, 10th Revision (ICD-10).  Geneva, Switzerland: World Health Organization; 1992
Kessler  RCAbelson  JDemler  OEscobar  JIGibbon  MGuyer  MEHowes  MJJin  RVega  WAWalters  EEWang  PZaslavsky  AZheng  H Clinical calibration of DSM-IV diagnoses in the World Mental Health (WMH) version of the World Health Organization (WHO) Composite International Diagnostic Interview (WMH-CIDI). Int J Methods Psychiatr Res 2004;13 (2) 122- 139
PubMed Link to Article
First  MBSpitzer  RLGibbon  MWilliams  JBW Structured Clinical Interview for DSM-IV Axis-I Disorders. Research Version, Non-Patient Edition (SCID-I/NP).  New York: Biometrics Research, New York State Psychiatric Institute; 2002
Rao  JNKScott  AJ The analysis of categorical data from complex sample surveys: chi-squared tests for goodness of fit and independence in two-way tables. J Am Stat Assoc 1981;76 (374) 221- 230
Link to Article
Levy  PSLemeshow  S Sampling of Populations.  New York, NY: John Wiley & Sons; 1999
Henderson  ASJorm  AFKorten  AEJacomb  PChristensen  HRodgers  B Symptoms of depression and anxiety during adult life: evidence for a decline in prevalence with age. Psychol Med 1998;28 (6) 1321- 1328
PubMed Link to Article
Kohn  RVicente  BSaldivia  SRioseco  PTorres  S Psychiatric epidemiology of the elderly population in Chile. Am J Geriatr Psychiatry 2008;16 (12) 1020- 1028
PubMed Link to Article
Beekman  ATBremmer  MADeeg  DJvan Balkom  AJSmit  JHde Beurs  Evan Dyck  Rvan Tilburg  W Anxiety disorders in later life: a report from the Longitudinal Aging Study Amsterdam. Int J Geriatr Psychiatry 1998;13 (10) 717- 726
PubMed Link to Article
Lenze  EJMulsant  BHShear  MKSchulberg  HCDew  MABegley  AEPollock  BGReynolds  CF  III Comorbid anxiety disorders in depressed elderly patients. Am J Psychiatry 2000;157 (5) 722- 728
PubMed Link to Article
Lenze  EJ Comorbidity of depression and anxiety in the elderly. Curr Psychiatry Rep 2003;5 (1) 62- 67
PubMed Link to Article
Lenze  EJMulsant  BHShear  MKAlexopoulos  GSFrank  EReynolds  CF  III Comorbidity of depression and anxiety disorders in later life. Depress Anxiety 2001;14 (2) 86- 93
PubMed Link to Article
Blazer  DG Psychiatry and the oldest old. Am J Psychiatry 2000;157 (12) 1915- 1924
PubMed Link to Article
Radloff  L The CES-D scale: a self-report depression scale for research in the general population. Appl Psychol Meas 1977;1 (3) 385- 401
Link to Article
Yesavage  JA Geriatric Depression Scale. Psychopharmacol Bull 1988;24 (4) 709- 711
PubMed
Gatz  MHurwicz  ML Are old people more depressed? cross-sectional date on Center for Epidemiological Studies Depression Scale factors. Psychol Aging 1990;5 (2) 284- 290
PubMed Link to Article
Wetherell  JLKim  DSLindamer  LAThorp  SRHawthorne  WKim  KHough  RLGarcia  PJeste  DV Anxiety disorders in a public mental health system: clinical characteristics and service use patterns. J Affect Disord 2007;104 (1-3) 179- 183
PubMed Link to Article
Flint  AJ Epidemiology and comorbidity of anxiety disorders in the elderly. Am J Psychiatry 1994;151 (5) 640- 649
PubMed

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