Table 1 Summary information about included studies (N = 133)
n | % | |
|---|---|---|
Study source | ||
Diarrhoea review only | 107 | 80.5% |
ARI review only | 12 | 9.0% |
Both diarrhoea and ARI | 14 | 10.5% |
WASH focus of each study’s intervention | ||
Water only | 64 | 48.1% |
Sanitation only | 8 | 6.0% |
Hygiene only | 46 | 34.6% |
Water, sanitation and hygiene | 4 | 3.0% |
Water and sanitation | 4 | 3.0% |
Water and hygiene | 5 | 3.8% |
Sanitation and hygiene | 2 | 1.5% |
Total study intervention components that address watera | 77 | 57.9% |
Total study intervention components that address sanitationa | 18 | 13.5% |
Total study intervention components that address hygienea | 57 | 42.9% |
Population for which the study intervention was seeking to improve the primary outcome | ||
Children ≤5 years | 111 | 83.5% |
Other childrenb | 10 | 7.5% |
All ages | 12 | 9.0% |
Study disaggregated primary outcome data by sex | 8 | 6.0% |
Study region | ||
Africa | 43 | 32.3% |
Asia | 51 | 38.3% |
Europe | 3 | 2.3% |
Latin America and Caribbean | 25 | 18.8% |
Middle East | 4 | 3.0% |
North America | 6 | 4.5% |
Oceania | 1 | 0.8% |
Study setting | ||
Rural | 80 | 60.2% |
Urban | 40 | 30.1% |
Peri-urban | 1 | 0.8% |
Mixed | 12 | 9.0% |
Study subsetting | ||
Domestic | 116 | 87.2% |
Institutional | 16 | 12.0% |
Both domestic and institutional | 1 | 0.8% |
