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Does collaborative care improve social functioning in adults with depression? The application of the WHO ICF framework and meta-analysis of outcomes: The application of the WHO ICF framework and meta-analysis of outcomes

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JournalJournal of affective disorders
DateE-pub ahead of print - 3 Oct 2015
DatePublished (current) - 1 Jan 2016
Volume189
Number of pages13
Pages (from-to)379-391
Early online date3/10/15
Original languageEnglish

Abstract

BACKGROUND: Collaborative care has proven efficacy in improving symptoms of depression, yet patients value improvements in their social function also. We used the World Health Organisation's International classification of functioning, disability, and health (WHO ICF) to robustly identify measures of social function and explored whether collaborative care interventions improve social functioning using meta-analysis.

METHODS: We performed a secondary data analysis on studies identified from our previous Cochrane review of collaborative care interventions for depression and search update (December 2013). The WHO ICF framework was applied to identify studies that included self-report measures of social functioning. Outcomes were extracted at short-term (6 months) and medium-term (≥7 months) and analysed using random-effects meta-analysis. The relationship between improvements in depression outcomes and improvements in social functioning was also explored using bivarable meta-regression.

RESULTS: Eighteen trials were identified that measured social functioning and met our remaining inclusion criteria. Collaborative care was associated with small improvements in social functioning in the short (Standardised Mean Difference, SMD=0.23, 95% confidence interval 0.12 to 0.34) and medium term (SMD=0.19, 95% confidence interval 0.09 to 0.29). Improvements in depressive symptoms were associated with moderate improvements in social function (ß=-0.55, 95% confidence interval -0.82 to -0.28) but cross-sectionally only.

LIMITATIONS: The small number of studies (N=18) prevented more complex analyses to explore moderators of social functioning outcomes.

CONCLUSIONS: Collaborative care improves social functioning but the mechanisms through which this occurs are unknown. Future depression interventions need to consider a person's degree of social function equally alongside their depressive symptoms.

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© 2015 Elsevier. This is an author produced version of a paper published in Journal of Affective Disorders. Uploaded in accordance with the publisher's self-archiving policy.

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