Table 2.

Relative risks for smoking initiation in school children

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)