Table 5.

Evidence concerning enablers and barriers

	Evidence for		Evidence against		Mixed evidence		Overall
Community context	Qualitative	Quantitative	Qualitative	Quantitative	Qualitative	Quantitative	confidence
Barrier: pre-existing poverty	30 43 50 55 83	None	69	None	58	Low
Enabler: supportive institutional-political context	37 61	None	None	None	None	None	Medium
Enabler: pre-existing social cohesion	50 83	None	None	None	None	None	Medium
Enabler: supportive pre-existing health beliefs, attitudes and norms	50 53 54 58 59 68	53	48 72	None	None	None	Low
Barrier: pre-existing power hierarchies in the community	50 54 69 83	None	None	None	None	None	Medium
Barrier: pre-existing power hierarchies within households	43 50 58 69	62	None	None	None	None	Medium
Intervention context
Intervention design and management
Enabler: staff management	42 49 58 83	None	None	None	None	None	Medium
Enabler: incentives for participation	37 43 58 59	81 86	None	None	None	None	Medium
Enabler: management of community relations	50 52 87	None	None	None	None	None	Medium
Intervention implementation
Enabler: respect for local people, knowledge and practices	37 49 50	None	None	None	None	None	Medium
Enabler: relevant education tools	42 48 50 69 71	None	None	None	None	None	Medium
Enabler: inclusion of less powerful subpopulations	69	69	None	None	None	None	Medium