Attrition in longitudinal studies among patients with schizophrenia and other psychoses; findings from the STRATA collaboration

Homman, L. E., Smart, S. E. ORCID: https://orcid.org/0000-0002-6709-5425, O'Neill, F. and MacCabe, J. H. 2021. Attrition in longitudinal studies among patients with schizophrenia and other psychoses; findings from the STRATA collaboration. Psychiatry Research 305 , 114211. 10.1016/j.psychres.2021.114211

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Abstract

A major problem with longitudinal studies is the bias generated due to attrition, particularly apparent amongst patients suffering from psychotic disorders. Factors associated with study-participation were investigated as part of a larger research collaboration (STRATA). Out of 479 eligible participants, only 50 (10,4%) were successfully followed up. The present study investigated whether study participation differed depending on baseline characteristics. Results indicated that individuals who did not participate were more likely to report an alcohol use disorder while those who did respond were more likely to have been in full-time education for longer and be of white ethnicity. Participation did not differ depending on diagnosis, symptoms, GAF, age of onset or depression.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Additional Information:	This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Publisher:	Elsevier
ISSN:	0165-1781
Date of First Compliant Deposit:	3 February 2022
Date of Acceptance:	16 September 2021
Last Modified:	23 May 2023 13:46
URI:	https://orca.cardiff.ac.uk/id/eprint/147027

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