Study	Reason for exclusion
Anderson 1986	Intervention only one 4‐hour session
Asarnow 2002	Intervention is not aimed at entire system
Beardslee 1993	Aimed at prevention of depression and therefore depression was no important outcome measure
Brodaty 1983	Intervention was no family therapy
Butler 2000	Aimed at prevention of depression and therefore depression was no important outcome measure
Cicchetti 1999	Aimed at prevention of depression and therefore depression was no important outcome measure
Eisdorfer 2003	Outcome measures did not include depression at symptom level
Friedman 1975	Intervention was marital therapy
Fristad 2002	Intervention was multifamily therapy
Podorefsky 2001	Study is no randomised controlled trial
Sandler 2003	Aimed at prevention of depression and therefore depression was no important outcome measure
Sherrill 1997	Intervention is only single session workshop
Solomon 1996	Outcome measures did not include depression at symptom level
Uebelacker 2004	Outcome measures of different treatment arms are unknown