Table 1.

Correlation Matrix

	(1)	(2)	(3)	(4) a	(5)	(6)	(7)	(8) a	(9) a	(10)	(11)	(12)	(13)	(14)	(15)	(16)
(1) Cigarette involvement	1.00		.20**	---	.18**	.03	.15**	---	---	−.22**		−.61**		−.11		−.15*
(2) Alcohol involvement		1.00	.22**	---	.24**	.13	.27**	---	---		−.30**		−.52**		−.21**	−.28**
(3) Testosterone	.08	−.03	1.00	---	.60**	.20**	.63**	---	---	−.32**	−.33**	−.37**	−.36**	−.21**	−.17**	−.17**
(4) Estradiola	.22**	.22**	.45**	1.00				---	---	---	---	---	---	---	---	---
(5) Pubertal status	.28**	.21**	.25**	.37**	1.00	.27**	.48**	---	---	−.26**	−.28**	−.28**	−.26**	−.17**	−.17**	−.10
(6) Pubertal timing	−.01	.04	.20**	.32**	.36**	1.00	.16*	---	---	−.03	−.02	−.06	−.05	.06	.07	−.06
(7) Age	.30**	.17*	.13	.34**	.53**	.03	1.00	---	---	−.31**	−.31**	−.40**	−.38**	−.20**	−.17**	−.17**
(8) Menstrual statusa	.28**	.21**	.25**	.36**	.69**	.23**	.53**	1.00	---	---	---	---	---	---	---	---
(9) Current menstruationa	.18**	.27**	−.02	−.13	.26**	.08	.19**	.39**	1.00	---	---	---	---	---	---	---
(10) FC cigarettes	−.22**		−.10	−.14*	−.05	−.02	−.18**	−.17**	.01	1.00		.38**		.28**		.47**
(11) FC alcohol		−.22**	−.11	−.15*	−.05	−.02	−.17*	−.16*	.03		1.00		.45**		.32**	.48**
(12) PC cigarettes	−.58**		−.04	−.13	−.21**	.08	−.35**	−.27**	−.24**	.28**		1.00		.18**		.25**
(13) PC alcohol		−.48**	.03	−.12	−.27**	.02	−.33**	−.28**	−.24**		.23**		1.00		.18**	.28**
(14) SC cigarettes	−.32**		.08	.01	−.19**	.10	−.24**	−.20**	−.14*	.22**		.23**		1.00		.28**
(15) SC alcohol		−.24**	.09	.03	−.16*	.07	−.17*	−.22**	−.19**		.28**		.25**		1.00	.27**
(16) NC	−.20**	−.13	−.08	−.07	−.01	.03	−.08	−.02	−.06	.41**	.41**	.11	.15*	.24**	.33**	1.00

Note. Data for boys above diagonal (N=210). Data for girls below diagonal (N=199). FC = Family context. PC = Peer context. SC = School context. NC = Neighborhood context. The substance use outcomes were correlated only with the corresponding substance-specific contextual variables.

^aNot relevant for boys.

^*p < .05.

^**p < .01.