Explanation of outcome | Subgroup | n | N | Pooled proportion (%) | Lower confidence interval (%) | Higher confidence interval (%) | I2 (%) | P-value for subgroup difference |
---|---|---|---|---|---|---|---|---|
Learners who volunteered by training level | Undergraduate | 17 | 32 541 | 32.4 | 20.6 | 45.4 | 99.8 | 0.029 |
Postgraduate | 6 | 2 059 | 9.1 | 0.4 | 26.2 | 99.0 | ||
Learners who volunteered by continent | North America | 4 | 3 270 | 32.8 | 10.3 | 60.6 | 99.6 | 0.206 |
Europe | 15 | 10 328 | 31.4 | 19.6 | 44.5 | 99.5 | ||
Asia | 4 | 8 320 | 17.1 | 7.9 | 28.9 | 98.9 | ||
European | 16 | 23 368 | 29.3 | 17.2 | 43.2 | 99.7 | ||
Eastern Mediterranean | 3 | 9 393 | 39.5 | 18.0 | 63.3 | 99.7 | ||
Learners who volunteered by WHO region | American | 5 | 3 316 | 25.3 | 7.1 | 49.8 | 99.5 | 0.672 |
European | 16 | 23 368 | 29.3 | 17.2 | 43.2 | 99.7 | ||
Eastern Mediterranean | 3 | 9 393 | 39.5 | 18.0 | 63.3 | 99.7 | ||
Learners who wanted to volunteer by training level | Undergraduate | 21 | 26 890 | 61.2 | 46.4 | 75.1 | 99.8 | 0.187 |
Postgraduate | 3 | 939 | 72.7 | 63.2 | 81.2 | 85.5 | ||
Learners who wanted to volunteer by continent | North America | 5 | 2 040 | 68.3 | 49.4 | 84.6 | 98.6 | 0.201 |
Europe | 6 | 3 701 | 43.3 | 17.0 | 71.8 | 99.6 | ||
Asia | 13 | 11 794 | 71.3 | 61.0 | 80.5 | 99.2 | ||
Learners who wanted to volunteer by WHO region | American | 6 | 12 473 | 59.0 | 27.8 | 86.6 | 99.8 | 0.015 |
European | 7 | 3 941 | 47.4 | 21.6 | 74.0 | 99.6 | ||
Eastern Mediterranean | 3 | 2 018 | 60.4 | 55.8 | 64.8 | 73.4 | ||
South East Asian | 6 | 6 648 | 69.4 | 47.1 | 87.8 | 99.5 | ||
Western Pacific | 3 | 2 888 | 83.7 | 71.0 | 93.3 | 97.9 |