Variables | 2008 | 2012 | 2017 | p-value | ||||||
---|---|---|---|---|---|---|---|---|---|---|
% | 95% CI | N | % | 95% CI | N | % | 95% CI | N | ||
School attendance | ||||||||||
Yes | 1.0 | 0.4–2.4 | 897 | 3.2 | 2.0–5.0 | 1686 | 2.5 | 1.7–3.7 | 1447 | 0.005 |
No | 6.8 | 1.5–26.2 | 16 | 6.1 | 1.9–18.1 | 21 | 0.0 | – | 20 | < 0.001 |
Ever had sexual intercourse | ||||||||||
Yes | 5.3 | 0.7–30.4 | 18 | 8.6 | 1.5–35.8 | 30 | 0.0 | – | 13 | 0.697 |
No | 0.9 | 0.3–2.3 | 891 | 2.8 | 1.7–4.5 | 1650 | 2.5 | 1.7–3.7 | 1429 | 0.008 |
Correct knowledge and rejection of myths | ||||||||||
No | 0.9 | 0.3–2.6 | 697 | 3.2 | 2.0–5.1 | 1391 | 2.2 | 1.5–3.4 | 1178 | 0.076 |
Yes | 1.8 | 0.6–5.9 | 216 | 2.8 | 0.5–13.5 | 303 | 3.5 | 1.5–8.1 | 289 | 0.253 |