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Methodological quality assessment of included trials
| Location and reference | Generation of allocation sequence | Concealment of allocation | Blinding | Percentage of participants included in the analysis | ||
|---|---|---|---|---|---|---|
| Participants | Providers | Outcomes assessors | ||||
| Guatemala [17] | Adequate | Adequate | Yes | Yes | Yes | Adequate |
| India [14] | Adequate | Adequate | Yes | Yes | Yes | Adequate |
| India [15] | Unclear | Unclear | Yes | Unclear | Unclear | Adequate |
| Bangladesh [16] | Adequate | Adequate | Yes | Yes | Yes | Adequate |
