Table 3 Differences in demographic characteristics between participants and non-participants
Demographic characteristics | Total (n = 1821) | Participants (n = 870) | Non-participants (n = 951) | P valuea | |||
|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | ||
Gender | |||||||
 Female | 928 | 51.0 | 470 | 54.0 | 458 | 48.2 | 0.012 |
 Male | 893 | 49.0 | 400 | 46.0 | 493 | 51.8 | |
Age (years) | |||||||
 <5 | 265 | 14.6 | 67 | 7.7 | 198 | 20.8 | <0.001 |
 5–14 | 573 | 31.5 | 392 | 45.1 | 181 | 19.0 | |
 ≥15 | 983 | 54.0 | 411 | 47.1 | 572 | 60.1 | |