Table 7.
Handwashing and knowledge.
| Study | n | Description of determinants | Effect size | CI | ||
|---|---|---|---|---|---|---|
| Knowledge of behaviour | ||||||
| Barrett (2021) | 290 | Hand hygiene effectiveness knowledge | Unadjusted | r | −0.07 | (0.77, 0.95) |
| Al‐Wutayd (2021) | 1323 | Knowledge of handwashing | Unadjusted | r | 0.375 | (0.33, 0.42) |
| Apanga (2021) | 527 | Knowledge of behaviours to prevent COVID infection | Unadjusted | r | 0.435 | (0.36, 0.50) |
| Knowledge of disease | ||||||
| Barrett (2021) | 287 | Knowledge | Unadjusted | r | 0.1 | |
| Iqbal (2021) | 1789 | COVID knowledge | Unadjusted | r | 0.418 | (0.37, 0.46) |
| Pal et al. (2020) | 212 | Knowledge of disease | Unadjusted | OR | 1.07 | (0.97, 1.18) |
| Sengeh (2020) | 1253 | Knowledge about COVID (low vs high) | Unadjusted | OR | 6.33 | (2.98, 13.45) |
| Apanga (2021) | 527 | Knowledge about COVID symptoms and transmission | Unadjusted | r | 0.279 | |
| Owhonda (2022) | 1294 | Knowledge about COVID (poor vs good) | Unadjusted | OR | 1.16 | (1.1, 1.24) |