1998–2001 | 2010–2012 | P for trends* | P for interaction** | 1998–2001 | 2010–2012 | P for trends* | P for interaction** | ||
---|---|---|---|---|---|---|---|---|---|
Boys | Girls | ||||||||
IOTF criteria | 3.4 (2.5–4.3) | 4.8 (3.5–6.1) | 0.0751 | IOTF criteria | 1.3 (0.7–1.8) | 2.7 (1.6–3.9) | 0.0141 | ||
Household income | Household income | ||||||||
Low | 3.2 (1.7–4.7) | 4.1 (2.3–5.9) | 0.4392 | 0.4249 | Low | 2.1 (0.9–3.4) | 3.6 (1.5–5.6) | 0.211 | 0.8101 |
Middle | 3.3 (1.9–4.8) | 3.7 (1.5–5.8) | 0.8356 | Middle | 0.8 (0.1–1.5) | 2.0 (0.2–3.7) | 0.2291 | ||
High | 3.5 (1.9–5.1) | 6.5 (3.8–9.2) | 0.0435 | High | 1.1 (0.1–2.0) | 2.2 (0.6–3.8) | 0.1393 | ||
P-value for trend*** | 0.9189 | 0.1771 | P-value for trend*** | 0.1519 | 0.245 | ||||
Urbanity | Urbanity | ||||||||
Rural | 3.8 (1.8–5.7) | 1.9 (0.2–3.6) | 0.171 | 0.0117 | Rural | 2.6 (1.0–4.3) | 8.1 (2.7–13.5) | 0.1346 | 0.3353 |
Urban | 3.3 (2.3–4.3) | 5.4 (3.8–6.9) | 0.0205 | Urban | 1.0 (0.4–1.5) | 2.1 (1.1–3.1) | 0.0536 | ||
P-value**** | 0.6957 | 0.0197 | P-value**** | 0.0342 | 0.0387 | ||||
KCDC 2007 | 5.2 (4.0–6.4) | 6.9 (5.3–8.5) | 0.1427 | KCDC 2007 | 5.9 (4.5–7.2) | 7.8 (6.0–9.6) | 0.101 | ||
Household income | Household income | ||||||||
Low | 4.3 (2.5–6.0) | 6.4 (3.8–8.9) | 0.2611 | 0.6890 | Low | 8.6 (5.6–11.5) | 9.3 (6.3–12.3) | 0.7375 | 0.9588 |
Middle | 4.9 (3.0–6.7) | 5.4 (2.9–7.9) | 0.8176 | Middle | 3.7 (2.1–5.4) | 6.2 (3.3–9.1) | 0.1703 | ||
High | 6.2 (3.8–8.6) | 8.7 (5.6–11.9) | 0.2113 | High | 5.6 (3.5–7.7) | 7.3 (4.3–10.2) | 0.3357 | ||
P-value for trend*** | 0.2758 | 0.2521 | P-value for trend*** | 0.1134 | 0.2516 | ||||
Urbanity | Urbanity | ||||||||
Rural | 5.7 (3.3–8.1) | 3.9 (1.2–6.7) | 0.2371 | 0.0356 | Rural | 7.1 (4.5–9.7) | 13.5 (7.2–19.8) | 0.1686 | 0.3428 |
Urban | 5.1 (3.8–6.4) | 7.4 (5.6–9.2) | 0.0526 | Urban | 5.6 (4.1–7.2) | 7.2 (5.4–9.0) | 0.2448 | ||
P-value**** | 0.6814 | 0.0484 | P-value**** | 0.4082 | 0.1444 |