| Study characteristics |
| Methods |
For full details of this study, see Table 5; Table 6; Table 7; Table 8. |
| Participants |
|
| Interventions |
|
| Outcomes |
|
| Notes |
|
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Low risk |
Sequence described in sufficient detail. |
| Allocation concealment (selection bias) |
Low risk |
Assignment by province/district/cluster. |
| Blinding (performance bias and detection bias)
All outcomes |
Low risk |
Unlikely outcome assessment affected by allocation knowledge. |
| Incomplete outcome data (attrition bias)
All outcomes |
Low risk |
2% of sample missing only. |
| Selective reporting (reporting bias) |
Low risk |
No evidence of selective reporting. |
| Other bias |
Low risk |
No other apparent source of bias. |
| Baseline outcome measurement
All outcomes |
Low risk |
Analysis methods adjusted for differences. |
| Matched characteristics for control study sites |
Low risk |
Comparable. |
| Protection against contamination (intervention and controls) |
Low risk |
Assignment by province/district/cluster. |
