Table 3.

Details of the employed interventions from studies included in the systematic review

No	Author (year)	Location	Economic status	Training cohort size	Training cohort occupations	Training course content	Delivery method	Length	Course type	Research design
1	Abas et al (2016)	Zimbabwe	Low income	40–60	Community health workers	Specific: friendship bench	Combination	8 days	Continuous	Postintervention
2	Abayomi et al (2012)	Nigeria	Lower middle income	31	Volunteers	General	Didactic	6 weeks	Sessional	Pre–post intervention
3	Adebowale et al (2015)	Nigeria	Lower middle income	80	Community health workers, nursing professionals	General (mhGAP)	Combination	3 days	Continuous	Pre–post intervention
4	Alonso et al (2014)	Sierra Leone	Low income	3	Nursing professionals, social work and counselling professionals	General (mhGAP)	Combination	8 weeks	Continuous	Postintervention (Research Methods (RM))
5	Armstrong et al (2010)	Australia	High income	30	Social work, counselling professionals	Specific: cognitive behavioural therapy	Combination	3 weeks	Sessional	Pre–post intervention (Randamised Controlled Trial (RCT))
6	Armstrong et al (2011)	India	Lower middle income	70	Community health workers	General (+MHFA)	Combination	4 days	Continuous	Pre–post intervention (RM)
7	Bowers and Burnett (2009)	UK	High income	26	Community health workers	Specific: New Ways of Working Framework	Didactic	4 months	Sessional	Pre–post intervention
8	Chew-Graham et al (2014)	UK	High income	68	Generalist medical practitioners, nursing professionals, non-medical staff, social work and counselling professionals	Specific: access to mental health in primary care programme training plus (advanced training)	Didactic	Variable (1–7 sessions over unknown period)	Sessional	Postintervention
9	Chibanda et al (2016)	Zimbabwe	Low income	96–288	Community health workers	Specific: friendship bench	Combination	9 days	Sessional	Pre–post intervention (RM; RCT)
10	Church et al (2010)	Canada	High income	125	Generalist medical practitioners, nursing professionals, non-medical staff, paramedical practitioners, social work and counselling professionals	Specific: rural mental health interprofessional training programme	Interactive	4 months	Sessional	Pre–post intervention (RM)
11	Cook et al (2017)	USA	High income	394	Generalist medical practitioners, nursing professionals, non-medical staff, social work and counselling professionals	Specific: motivational interviewing	Combination	4–8 hours	Sessional	Postintervention
12	Ekers et al (2013)	UK	High income	10	Nursing professionals	Specific: behavioural activation	Combination	5 days	Continuous	Postintervention
13	Ferraz and Wellman (2009)	UK	High income	66	Health service managers, volunteers	Specific: solution focused brief therapy	Interactive	2 days	Continuous	Pre–post intervention (RM)
14	Hofmann-Braussard et al (2017)	India	Lower middle income	56	Community health workers	General (+MHFA + Stigma)	Combination	4 days	Sessional	Pre–post intervention (Controlled Trial (CT))
15	Hossain et al (2010)	Australia	High income	32	Non-medical staff	Emergency mental health: MHFA	Didactic	2 days	Continuous	Postintervention
16	Jenkins et al (2013)	Kenya	Lower middle income	98	Community health workers	General	Combination	5 days	Continuous	Postintervention (RM); RCT)
17	Jordans et al (2012)	Nepal	Low income	109	Non-medical staff	Emergency mental health: disaster settings	Combination	2 days	Continuous	Pre–post intervention (RM)
18	Kauye et al (2014)	Malawi	Low income	22	Community health workers	General	Combination	5 days	Continuous	Pre–post intervention (RCT)
19	Lam et al (2016)	Hong Kong (China)	High income	151	Community health workers	General	Interactive	10 days	Sessional	Pre–post intervention
20	Li et al (2014)	China	Upper middle income	99	Community health workers	General (+Stigma)	Didactic	1 day	Continuous	Pre–post intervention
21	MacCarthy et al (2013)	Canada	High income	>1400	Generalist medical practitioners	Specific: cognitive behavioural interpersonal skills (+MHFA)	Combination	3 days	Sessional	Postintervention (RM)
22	Morawska et al (2013)	Australia	High income	458	Consumers or carers, health service managers, non-medical staff	Emergency mental health: MHFA	Interactive	2 days	Continuous	Pre–post intervention (RM)
23	Paudel et al (2014)	India	Lower middle income	24	Community health workers	General	Interactive	Not Declared (ND)	Not Declared (ND)	Postintervention
24	Ravitz et al (2013)	Canada	High Income	93	Community health workers, nursing professionals, non-medical staff	Specific: cognitive behavioural therapy, interpersonal psychotherapy, motivational interviewing, dialectical behaviour therapy	Interactive	5 weeks	Sessional	Pre–post intervention
25	Ruud et al (2016)	Norway	High income	>3500	Community health workers, generalist medical practitioners, nursing professionals, social work and counselling professionals	General	Combination	2 years	Sessional	Postintervention
26	Sadik et al (2011)	Iraq	Upper middle income	317	Community health workers, generalist medical practitioners, nursing professionals, social work and counselling professionals	General	Combination	10 days	Continuous	Pre–post intervention (RM)
27	Siriwardhana et al (2016)	Sri Lanka	Lower middle income	12	Generalist medical practitioners	General (mhGAP)	Combination	3 days	Continuous	Pre–post intervention
28	Usher et al (2014)	Pacific Island Small States	Aggregates	18	Community health workers, nursing professionals	General (mhGAP)	Combination	4 weeks	Continuous	Pre–post intervention
29	Wright et al (2014)	Malawi	Low income	271	Community health workers	General (mhGAP)	Combination	6 months	Sessional	Pre–post intervention (RM)

mhGAP, Mental Health Gap Action Programme.