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Table 2 Relative risks for smoking initiation in school children

From: The incidence of experimental smoking in school children: an 8-year follow-up of the child and adolescent behaviors in long-term evolution (CABLE) study

Variable Estimate s. e 95% C.I. χ2 Pr > χ2
Intercept 2.56 0.34 (1.89, 3.22) 56.80 < .0001
Individual factors      
Boys vs. girls -0.31 0.05 (-0.41, -0.20) 34.06 < .0001
Taipei vs. Hsinchu 0.23 0.05 (0.13, 0.34) 19.41 < .0001
School achievement:      
Poor vs. good 0.07 0.11 (-0.14, 0.28) 0.39 0.53
Fair vs. good 0.03 0.11 (-0.18, 0.24) 0.08 0.78
Depressive symptoms score 0.00 0.01 (-0.02, 0.02) 0.05 0.82
Self-competence 0.00 0.01 (-0.01, 0.01) 0.02 0.90
Familial factors      
Single-parent family -0.20 0.06 (-0.32, -0.08) 10.04 0.00
SES:      
Low vs. high -0.09 0.08 (-0.26, 0.07) 1.23 0.27
Medium vs. high 0.06 0.07 (-0.08, 0.21) 0.73 0.39
Parental smoking:      
One vs. none -0.24 0.06 (-0.36, -0.13) 17.82 < .0001
Both vs. none -0.37 0.09 (-0.55, -0.20) 18.07 < .0001
Parental support 0.01 0.01 (-0.00, 0.02) 1.35 0.25
Parental supervision 0.01 0.01 (0.00, 0.03) 2.22 0.14
Community factors      
Peer smoking:      
Few vs. none -0.78 0.11 (-1.00, -0.56) 48.64 < .0001
Over half vs. none -1.35 0.12 (-1.58, -1.12) 131.87 < .0001
School attachment 0.09 0.02 (0.05, 0.12) 20.01 < .0001
Community attachment:      
Low vs. high -0.14 0.08 (-0.30, 0.03) 2.69 0.10
Medium vs. high -0.15 0.07 (-0.29, -0.01) 4.15 0.04
Scale 0.57 0.02 (0.53, 0.62)   
Weibull Shape 1.75 0.07 (1.62, 1.89)