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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.

More information

Publisher

Elsevier

Publication Date

16/01/2016

Volume

189

Pages

379 - 391

Keywords

Collaborative care; Depression; Social functioning; Systematic review