P value | OR (95% CI)a | |||
---|---|---|---|---|
Variables | Primary schoolchildren | Secondary schoolchildren | Primary schoolchildren | Secondary schoolchildren |
Gender (males vs females) | < 0.001 | 0.01 | 1.25 (1.15–1.37) | 1.17 (1.05–1.30) |
Father’s participation in OPA (yes vs no) | < 0.001 | 0.03 | 1.52 (1.310–1.770) | 1.16 (1.01–1.32) |
Mother’s participation in OPA (yes vs no) | < 0.001 | 0.02 | 1.79 (1.31–1.77) | 1.22 (1.03–1.43) |
Obesity (vs normal weight) | 0.036 | 0.37 | 0.75 (0.58–0.98) | 0.91 (0.74–1.12) |
Underweight (vs normal weight) | NSa | 0.04 | NS | 0.76 (0.59–0.99) |
Geographic area (Urban vs rural) | NS | < 0.01 | NS | 1.22 (1.09–1.36) |
Low SES (vs other categories) | < 0.001 | < 0.001 | 0.65 (0.58–0.73) | 0.67 (0.59–0.77) |
High SES (vs other categories) | < 0.001 | < 0.01 | 1.38 (1.29–1.48) | 1.36 (1.11–1.36) |
Age (6–12 years vs 12–15 years) | 0.03 | NS | 0.90 (0.83–0.98) | NS |