TABLE 1.

Results of the bivariate Cholesky decomposition for childhood SAD (top) and childhood OAD (bottom) and AOPAs

	Model parameters	Sex effects quan/qual	–2LL	AIC	df	Δ–2LL	ΔAIC
SAD and AOPAs	I. ACE	+/+	2,730.77	–7,221.23	4,976	—	—
	II. ACE	+/–	2,730.29	–7,223.71	4,977	—	—
	III. ACE	–/+	2,739.68	–7,226.32	4,983	—	—
	IV. ACE	–/–	2,741.61	–7,226.39	4,984	—	—
			Submodels
	V. AE*	–/–	2,741.67	–7,232.33	4,987	–0.06	–5.94
	VI. CE	–/–	2,746.75	–7,227.25	4,987	+5.14	–0.86
OAD and AOPAs	I. ACE	+/+	4,223.81	–5,836.19	5,030	—	—
	II. ACE	+/–	4,221.89	–5,840.11	5,031	—	—
	III. ACE	–/+	4,230.73	–5,843.27	5,037	—	—
	IV. ACE	–/–	4,236.05	–5,839.96	5,038	—	—
			Submodels
	V. AE*	–/–	4,236.42	–5,845.58	5,041	–0.37	–5.62
	VI. CE	–/–	4,241.47	5,840.53	5,041	+5.42	–0.57

Note: Qual, qualitative sex effects; Quan, quantitative sex effects; “+” the presence of either qualitative or quantitative sex effects; or “–” their absence from the model. The AE and CE models are nested submodels of the ACE model.

^*The best fitting model.