Table 2.

Distribution of study focus for 56 included papers

Clinical area	Frequency of studies	References
Family planning and maternal and childcare	24	[30, 31, 35, 38, 39, 45, 47–51, 59, 62, 66, 67, 70–72, 74–76, 78, 80, 83]
HIV and STI related services, including HIV/TB.	22	[32–34, 37, 40, 43, 46, 52, 53, 56–58, 60, 61, 63, 64, 68, 77, 79, 81, 85]
Tuberculosis	4	[42, 44, 54, 55]
Non-communicable diseases (including cancers)	3	[65, 73, 82]
General health	3	[41, 69, 84]