. Author manuscript; available in PMC: 2016 Apr 11.

Published in final edited form as: Twin Res Hum Genet. 2015 Aug 20;18(5):507–517. doi: 10.1017/thg.2015.56

Table 2.

Twin Correlations and Univariate Results

	MZ Correlation	DZ Correlation	A	C	E
Peer Deviance	.75^*	.68^*	0.4 (0.33–0.48)	0.36 (0.29–0.42)	0.24 (0.21–0.27)
Parental Knowledge	.58^*	.55^*	0.35 (0.23–0.46)	0.26 (0.17–0.34)	0.40 (0.36–0.44)
Stressful Life Events	.73^*	.60^*	0.33 (0.25–0.41)	0.4 (0.33–0.47)	0.27 (0.24–0.30)
Alcohol Use	.71^*	.49^*	0.53 (0.43–0.63)	0.17 (0.09–0.26)	0.30 (0.27–0.33)

p < 0.01; Correlations are based on 803 MZ pairs and 825 DZ pairs. Confidence intervals are listed in parentheses under each ACE estimate.