. Author manuscript; available in PMC: 2009 Aug 21.

Published in final edited form as: Dev Psychol. 2002 Jul;38(4):591–603. doi: 10.1037//0012-1649.38.4.591

Table 1.

Intercorrelations, Internal Reliability, Means, Standard Deviations, and Sample Sizes

Variable	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	α	M	SD	N
Age 8
1. Activity/passivity	—																		.72	0.01	0.7	194
2. Aggression	.35^**	—																	.89	−0.21	2.9	194
3. Anxiety	−44^**	.02	—																.79	−0.27	2.0	194
4. Compliance	−.31^**	−.65^**	−.01	—															.86	0.04	0.8	194
5. Constructiveness	.25^**	−.32^**	−.38^**	.64^**	—														.85	0.06	0.8	194
6. Disobedience	.22^**	74^**	.12	−.60^**	−.45^**	—													.73	−0.07	0.8	194
7. Self-control	−.20^**	−.75^**	−.18^*	.81^**	.64^**	−.67^**	—												.80	0.08	1.3	194
Age 14
8. Concentration problems	.21^**	49^**	.09	−.39^**	−.30^**	.47^**	— 47^**	—											.55	−0.01	0.8	188
9. GPA	−.02	−.30^**	−.19^**	.36^**	.44^**	−.29^**	29^**	−.49^**	—											7.32	0.8	181
10. Problem behaviors	.15^*	.42^**	.03	37^**	.28^**	.34^**	−.35^**	.53^**	.60^**	—									.69	−0.07	0.6	186
Age 33
11. Agreeableness	−.11	−.27^**	−.06	.28^**	.18^*	−.13	.26^**	−.12	.18^*	−15^*	—								.81	44.86	8.7	194
Age 36
12. Alcoholism	.07	.22^**	.03	−.23^**	−.10	.18^*	−.14^*	.21^**	−.35^**	28^**	−.19^**	—							.80	1.35	1.7	186
13. Anxiety	−.06	−.01	.12	−.05	−.12	.07	−.03	.04	−.09	00	.−03	37^**	—						.91	1.73	0.4	194
14. Arrests	−.02	.30^**	.21^**	−.23^**	−.19^**	.33^**	−.24^**	.25^**	−.28^**	36^**	−.11	32^**	.16^*	—						0.52	1.7	194
15. Career stability	.07	−.15^*	−.07	.10	.16^*	−.20^**	.14	−.27^**	.12	20^**	.02	−18^*	−.28^**	−.33^**	—					2.41	0.8	193
16. Depression	.04	.05	.05	−.11	−.13	.16^*	−.09	.07	−.07	−05	−04	33^**	.60^**	.20^**	−.24^**	—			.89	1.45	0.3	187
17. Impulsivity	.19^**	.09	−.02	−.27^**	−.15^*	.11	−.16^*	23^**	−.28^**	15^*	−.24^**	28^**	.17^*	.12	−.09	.11	—		.67	2.25	0.5	194
18. Inhibit aggression	−.15^*	−.12	.17^*	.19^**	.05	−.06	.15^*	−.08	.15^*	−04	.30^**	17^*	.43^**	.07	−.11	.32^**	−.07	−	.73	2.40	0.4	194
19. Socialization	−.07	−.26^**	−.11	.30^**	.22^**	−.27^**	29^**	−.29^**	.24^**	−23^**	.23^**	−.41^**	−.48^**	−.37^**	.35^**	−.47^**	−.29^**	−.13	.82	3.18	0.4	194

Note. For all correlations, N = 173–194. With the exception of GPA (grade point average), means for age 8 and age 14 variables represent z scores.

p < .05.

^**

p < .01.