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. Author manuscript; available in PMC: 2020 Nov 1.

Published in final edited form as: Drug Alcohol Depend. 2019 Aug 30;204:107517. doi: 10.1016/j.drugalcdep.2019.06.019

Table 6.

Standardized Estimates (and 95% CIs) for all Univariate Raw Models Constrained Across Sex.

Trait	Model	Genetic and Environmental Estimates			Model fit Information
		a² (95% C.I)	c² (95% C.I)	e² (95% C.I)	χ²	df	p	RMSEA
Onset of Regular Cannabis Use	ACE	0.51[0.23, 0.90]	0.23[0.02, 0.67]	0.26[0.18, 0.35]	13.79	22	0.9089	< 0.001
	AE	0.76[0.68, 0.85]	–	0.24[0.16, 0.32]	16.58	23	0.8295	< 0.001
	CE	–	0.67[0.60, 0.74]	0.33[0.27, 0.41]	24.26	23	0.3894	0.018
Adult Weekday Sleep Duration	ACE	0.20[0.11, 0.32]	0[−0.01, 0.01]	0.80[0.71, 0.89]	40.69	21	0.0061	0.075
	AE	0.20[0.11, 0.29]	–	0.80[0.71, 0.89]	40.69	22	0.0090	0.072
	CE	–	0.14[0.07, 0.23]	0.86[0.79, 0.93]	47.01	22	0.0015	0.083
Adult Weekend Sleep Duration	ACE	0.20[0.05, 0.47]	0[−0.05, 0.05]	0.80[0.69, 0.90]	13.81	21	0.8778	< 0.001
	AE	0.20[0.11, 0.32]	–	0.80[0.70, 0.90]	13.81	22	0.9082	< 0.001
	CE	–	0.14[0.08, 0.24]	0.86[0.78, 0.93]	17.41	22	0.7402	< 0.001

A = additive genetic influences.

C = common environmental influences.

E = unique environmental influences.