. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Behav Genet. 2015 Apr 18;45(4):409–426. doi: 10.1007/s10519-015-9718-6

Table 2.

Parameter estimates, body mass index moderated by environmental walkability (left column) and physical activity (middle and right columns).

Parameter	Walkability (N = 2086 MZ pairs, 912 DZ pairs)	MVPA (N = 3542 MZ pairs, 1537 DZ pairs)	Walking (N = 3241 MZ pairs, 1411 DZ pairs)
Main Effects of Moderator on BMI
A Regression
b _{0A_Mod}	.146 (.123)	−.023 (.207)	*−1.588 (211)*
b _{1A_Mod}	*−.065 (.023)*	*−.413 (064)*	*.338 (.065)*
E Regression
b _{0E_Mod}	.016 (.066)	*−.720 (077)*	−.043 (.060)
b _{1E_Mod}	−.003 (.014)	*.206 (.026)*	*−.072 (.020)*
Interactive Effects of Moderator on Residual ACE Components of BMI
A Path
b _0Au	*5.290 (.221)*	*6.407 (.167)*	*5.339 (.160)*
b _{1Au_Mod}	− .049 (.023)	*−.399 (031)*	*−.100 (028)*
E Path
b _0Eu	*1.793 (142)*	*2.283 (109)*	*1.952 (100)*
b _{1Eu_Mod}	−.015 (.018)	*−.160 (021)*	−.043 (.026)

Note: Statistically significant (p < .05) parameter estimates bolded; estimates that are significant at the α = .01 level italicized. Standard errors in parentheses.