Table 1

Studies reporting integration of mental health into PHC and CBH, by type and geographical region

Types →	RCTs	Non-randomised: clinical	Non-randomised: training	Non-randomised: implementation	Descriptive accounts	Baseline surveys, exploratory studies	Commentaries	Total
Regions ↓	RCTs	Non-randomised: clinical	Non-randomised: training	Non-randomised: implementation	Descriptive accounts	Baseline surveys, exploratory studies	Commentaries	Total
Total participants	55 523	7405	12 280	1090	2526	17 093	N/A	95 647
African region	34	10	15	15	5	4	0	83
Region of the Americas	16	5	5	3	5	0	0	34
South-East Asia	16	2	5	2	1	1	0	27
Eastern Mediterranean	15	2	1	0	1	0	0	19
Western Pacific	9	2	6	1	1	0	0	19
European region	6	1	4	0	1	0	0	12
Multiregional	2	0	0	0	4	1	0	7
Non-regional	0	0	0	0	0	0	7	7
Total	98	22	36	21	18	6	7	208

CBH, community-based healthcare; PHC, primary healthcare; RCTs, randomised controlled trials.