Table 4.

Parameter estimates of recent substance use by substance use outcome and pubertal timing latent class among male and female adolescents aged 11 to 17

	Cigarettes (N=6,366)			Alcohol (N=6,353)			Marijuana (N=6,397)
	Intercept	Slope	Quadratic	Intercept	Slope	Quadratic	Intercept	Slope	Quadratic
Early	−1.611*** o l	0.412 o	−0.047	−2.335*** o	0.952***	−0.104**	−3.577*** ol	1.026** o	−0.090
On-time	−3.487*** e	1.163*** e	−0.122***	−3.378*** e	1.180***	−0.117***	−5.190*** e	1.732*** e	−0.184***
Late	−4.408*** e	0.824	−0.035	−4.019***	0.672	−0.016	−7.504*** e	1.688	−0.093

^*p<.05,

^**p<.01,

^***p<.001

^eolDifferent superscripts indicate significant differences. e=different than early, o=different than on-time, l=different than late