| Adherence to the intervention | ||
| Study | Use % (self‐reported) | Use % (Confirmed) |
| Agius 2020 | NA | 56% |
| Chen‐Hussey 2013 | 61.3% | 47.4% |
| Gryseels 2015 | 34% | 7.9% |
| Hill 2007 | NA | 98.5% |
| Kroeger 1997 | 81.9% coverage household members in Ecudaor; 91.3% in Peru | |
| McGready 2001 | 90.5% | 84.6% |
| Rowland 2004 | 95% | NA |
| Sangoro 2014a | NA | 99.2% |
| Sluydts 2016 | 72% and 69% in successive surveys | NA |
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