Family affluence | ||||||
---|---|---|---|---|---|---|
Medium | Low | |||||
Model | OR | 99% CI | Reduction (%) | OR | 99% CI | Reduction (%) |
Model 1 (adjusted for age, gender) | 1.23 | (1.18 to 1.28) | 1.76 | (1.69 to 1.84) | ||
Psychosocial factors | ||||||
Model 1 (+support of the best friend) | 1.21 | (1.17 to 1.27) | 9 | 1.72 | (1.66 to 1.80) | 5 |
Model 1 (+relationship with mother (talk to) | 1.21 | (1.16 to 1.26) | 9 | 1.70 | (1.63 to 1.77) | 8 |
Model 1 (+relationship with father (talk to) | 1.19 | (1.14 to 1.24) | 17 | 1.62 | (1.55 to 1.69) | 18 |
Model 1 (+classmate support) | 1.21 | (1.16 to 1.26) | 9 | 1.69 | (1.62 to 1.76) | 9 |
Model 1 (+close female friends) | 1.22 | (1.17 to 1.27) | 4 | 1.73 | (1.66 to 1.81) | 4 |
Model 1 (+close male friends) | 1.22 | (1.18 to 1.27) | 4 | 1.75 | (1.68 to 1.82) | 1 |
Model 1 (+time with friends after school) | 1.22 | (1.17 to 1.27) | 4 | 1.75 | (1.68 to 1.82) | 1 |
Model 1 (+satisfaction with school) | 1.22 | (1.17 to 1.27) | 4 | 1.72 | (1.65 to 1.79) | 5 |
Model 1 (+academic achievement) | 1.19 | (1.15 to 1.24) | 17 | 1.65 | (1.58 to 1.72) | 14 |
Model 1 (+support of the best friend) | 1.22 | (1.17 to 1.27) | 4 | 1.73 | (1.66 to 1.80) | 4 |
Model 1 (+school-related stress)† | 1.24 | (1.19 to 1.29) | −4 | 1.76 | (1.69 to 1.84) | 0 |
Model 2 (+ psychosocial factors) | 1.14 | (1.09 to 1.19) | 39 | 1.46 | (1.40 to 1.52) | 39 |
Behavioural factors | ||||||
Model 1 (+smoking) | 1.23 | (1.18 to 1.28) | 0 | 1.73 | (1.66 to 1.81) | 4 |
Model 1 (+physical activity (MPVA) | 1.20 | (1.15 to 1.25) | 13 | 1.71 | (1.64 to 1.79) | 7 |
Model 1 (+eating breakfast on schooldays) | 1.22 | (1.17 to 1.27) | 4 | 1.73 | (1.66 to 1.80) | 4 |
Model 1 (+consumption of fruits) | 1.20 | (1.15 to 1.25) | 13 | 1.69 | (1.63 to 1.77) | 9 |
Model 1 (+consumption of vegetables) | 1.20 | (1.16 to 1.25) | 13 | 1.71 | (1.64 to 1.78) | 7 |
Model 1 (+watching TV) | 1.22 | (1.17 to 1.27) | 4 | 1.73 | (1.66 to 1.81) | 4 |
Model 1 (+alcohol consumption) | 1.23 | (1.18 to 1.28) | 0 | 1.73 | (1.66 to 1.81) | 4 |
Model 1 (+consumption of soft drinks)† | 1.23 | (1.18 to 1.28) | 0 | 1.76 | (1.68 to 1.83) | 0 |
Model 1 (+playing computer games)† | 1.23 | (1.18 to 1.28) | 0 | 1.77 | (1.70 to 1.85) | −1 |
Model 1 (+PC (emails, homework, etc))† | 1.24 | (1.19 to 1.29) | −4 | 1.80 | (1.73 to 1.88) | −5 |
Model 3 (+behavioural factors) | 1.17 | (1.12 to 1.22) | 26 | 1.59 | (1.52 to 1.66) | 22 |
Model 4 (+psychosocial+behavioural factors) | 1.10 | (1.05 to 1.15) | 57 | 1.36 | (1.31 to 1.42) | 53 |
Italic=significant (p<0.0001).
*Adjusted for age and gender.
†Not included for further analysis (models 2–4) as there was no contribution to the reduction of OR.