Variables | Basic model | Expanded model | ||||
---|---|---|---|---|---|---|
OR | 95% CI | P-value | OR | 95% CI | P-value | |
Gender | ||||||
Boys | 1 | 1 | ||||
Girls | 2.53 | 1.94–3.32 | <0.0001 | 2.51 | 1.92–3.29 | <0.0001 |
Age groups, years | 0.325 | 0.325 | ||||
7–9 | 1 | 1 | ||||
10–12 | 1.16 | 0.75–1.80 | 0.509 | 1.21 | 0.78–1.87 | 0.404 |
13–15 | 1.36 | 0.89–2.07 | 0.161 | 1.39 | 0.91–2.12 | 0.132 |
16–18 | 1.40 | 0.87–2.24 | 0.167 | 1.45 | 0.90–2.33 | 0.130 |
Population groups | 0.019 | 0.019 | ||||
Coloured | 1 | 1 | ||||
Black | 1.33 | 1.02–1.72 | 0.032 | 1.35 | 1.04–1.75 | 0.024 |
White | 1.48 | 0.98–2.25 | 0.063 | 1.45 | 0.96–2.21 | 0.080 |
Region | 0.540 | |||||
Rural | 1 | |||||
Semi-urban | 1.36 | 0.81–2.25 | 0.242 | - | - | - |
Urban | 1.50 | 0.89–2.53 | 0.130 | - | - | - |
Eating breakfast | ||||||
No | 1 | |||||
Yes | 0.83 | 0.63–1.08 | 0.165 | - | - | - |
Physical inactivity | ||||||
No | 1 | 1 | ||||
Yes | 1.32 | 1.01–1.72 | 0.047 | 1.32 | 1.01–1.72 | 0.047 |
Sedentary behaviour | ||||||
No | 1 | |||||
Yes | 1.21 | 0.86–1.70 | 0.284 | - | - | - |
Smoking | ||||||
No | 1 | |||||
Yes | 0.80 | 0.48–1.33 | 0.396 | - | - | - |
Alcohol | ||||||
No | 1 | |||||
Yes | 0.97 | 0.67–1.41 | 0.873 | - | - | - |