Berkson's bias in biobank sampling in a specialised mental health care setting: a comparative cross-sectional study.

ABSTRACT:

Objectives

To determine whether studying aetiological pathways of depression, in particular the well-established determinant of childhood trauma, only in a specialised mental healthcare setting can yield biased estimates of the aetiological association, given that the majority of individuals are treated in primary care settings.

Design and setting

Two databanks were used in this study. The Canadian Community Health Survey (CCHS) on Mental Health and Well-Being 2012 is a national survey about mental health of adult Canadians. It measured common mental disorders and utilisation of services. The Signature mental health biobank includes adults from the Island of Montreal recruited at the emergency department of a major university mental health centre. After consent, participants

SUBMITTER: Laliberte V 

PROVIDER: S-EPMC7380858 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature