Submitted for Publication: April 7, 2014; final revision received July 15, 2014; accepted July 29, 2014.
Published Online: December 23, 2014. doi:10.1001/jamapsychiatry.2014.2133.
Study concept and design: Osborn, Omar, Holt, King, Morris, Nazareth, Walters, Petersen.
Acquisition, analysis, or interpretation of data: Osborn, Hardoon, Omar, King, Larsen, Marston, Morris, Nazareth, Walters, Petersen.
Drafting of the manuscript: Osborn, Omar, Petersen.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Hardoon, Omar, Marston.
Obtained funding: Osborn, Omar, Holt, King, Marston, Nazareth, Walters, Petersen.
Administrative, technical, or material support: Osborn, Nazareth.
Study supervision: Osborn, Omar, Morris, Nazareth, Walters, Petersen.
Conflict of Interest Disclosures: None reported.
Funding/Support: This article summarizes independent research funded by the National Institute for Health Research (NIHR) under its National Institute for Health Research’s Programme Grants for Applied Research Programme (grant reference number RP-PG-0609-10156).
Role of the Funder/Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Disclaimer: The views expressed are those of the authors and not necessarily those of the National Health Service, the NIHR, or the Department of Health.