Table 2.

Multivariate analysis for selected age-of-onset measures and adult smoking behaviors.

	No. of cigarettes smoked per week	No. of cigarettes smoked per week	Smoking when bed-ridden due to illness	Smoking when bed-ridden due to illness
Age of smoking first cigarette	−.12**	—	−.17***	—
Age of purchasing first cigarette	—	−.19***	—	−.22***
Gender (male)	.03	.03	−.06	−.07
Race (Caucasian)	.26***	.26***	.05	.05
Educational attainment (college graduate)	−.07	−.07	−.04	−.04
Income	.05	.05	.01	.02
Marital status (“involved”)	−.04	−.04	.02	.02
Age	.21***	.22***	.06	.08
R-squared	.112	.131	.037	.056

**P < .01, and ***P < .001.