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. Author manuscript; available in PMC: 2014 Jul 2.

Published in final edited form as: J Abnorm Psychol. 2011 Jun 13;121(1):73–87. doi: 10.1037/a0024160

Table 2.

Parameters from Bivariate Twin Models of Pubertal Timing and Delinquency.

	Model
	Perceived → Non-Violent	Menarche → Non-Violent	Perceived → Violent	Menarche → Violent
Indices of Model Fit
χ²(df P)	111.73 (73, .002)	105.80 (73,.007)	118.78 (73, <.001)	125.04 (73,.001)
RMSEA	.059	.054	.064	.068
Variance in Pubertal Timing
Var (A)	1.33 (.20)^*	1.24 (.10)^*	1.33 (.20)^*	1.24 (.10)^*
Var (E)	1.93 (.18)^*	0.78 (.08)^*	1.93 (.18)^*	0.78 (.08)^*
Regression Parameters
Genetic path (b_A)	.237 (.063)^*	−.109 (.043)^*	.174 (.059)^*	−.036 (.041)
Environmental path (b_E)	−.037 (.033)	.049 (.054)	−.045 (.030)	−.017 (.048)
Variance in Delinquency
Var (A)	.278 (.098)^*	.323 (.091)^*	.373 (.076)^*	.409 (.071)^*
Var (C)	.164 (.053)^*	.181 (.053)^*	.188 (.048)^*	.193 (.048)^*
Var (E)	.472 (.051)^*	.473 (.052)^*	.386 (.039)^*	.389 (.039)^*

Note. Standard errors are in parentheses.

^*

Parameter significantly different from zero at P < .05.