|
Tobacco use
|
Alcohol use
|
---|
|
Boys (N= 1,402)
|
Girls (N= 1,396)
|
Boys (N= 1,402)
|
Girls (N= 1,396)
|
---|
Variable
|
ORa
|
95%CIb
|
ORa
|
95%CIb
|
ORa
|
95%CIb
|
ORa
|
95%CIb
|
---|
Self-assertive efficacy against smoking or drinking
|
0.50
|
0.43 – 0.59
|
0.44
|
0.36 – 0.54
|
0.60
|
0.54 – 0.66
|
0.51
|
0.44 – 0.57
|
Parental involvement
|
0.92
|
0.88 – 0.97
|
0.97
|
0.91 – 1.04
|
1.00
|
0.96 – 1.03
|
0.99
|
0.95 – 1.03
|
School adjustment
|
0.90
|
0.83 – 0.97
|
0.82
|
0.74 – 0.91
|
0.97
|
0.92 – 1.02
|
0.90
|
0.85 – 0.95
|
Number of friends who smoke or drink alcohol
|
2.19
|
1.83 – 2.63
|
2.39
|
1.82 – 3.14
|
1.74
|
1.53 – 1.98
|
2.11
|
1.77 – 2.52
|
- Odds ratios and 95% confidence intervals for psychosocial variables influencing tobacco and alcohol use among Japanese boys and girls by multiple logistic regression analyses are shown.
- a Odds ratio. b Confidence interval.
- Bold indicates significant association to the dependent variables at p < 0.05 (two-tailed).