Published Online: June 25, 2014. doi:10.1001/jamapsychiatry.2014.513.
Study concept and design: Alati, Betts, Williams.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Alati, Betts, Williams.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Betts, Williams, Najman.
Obtained funding: Williams, Najman.
Administrative, technical, or material support: Williams, Najman, Hall.
Study supervision: Alati.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was funded by the National Health and Medical Research Council. Dr Arati is funded by an APP1012485 Level 2 Career Development Award in Population Health from the National Health and Medical Research Council. Dr Hall is funded by a 2009-2013 Australia Fellowship from the National Health and Medical Research Council.
Role of the Sponsor: The funders 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.
Additional Contributions: We thank the Mater University Study of Pregnancy team and participants, the Mater Misericordiae Hospital, and the Schools of Social Science, Population Health, and Medicine at University of Queensland.