. Author manuscript; available in PMC: 2011 Dec 6.

Published in final edited form as: Twin Res Hum Genet. 2009 Oct;12(5):469–488. doi: 10.1375/twin.12.5.469

Table 6.

Logistic Regressions Predicting Depression (During/after12RP and After12RP) From Kessler Perceived Social Support (KPSS), Personal Stressful Life Events (SLE) and the Interaction Between SLE and KPSS

	N	Full model		Sex		Age		KPSS				Personal SLE				KPSS × ⍰SLE

		-2ΔLL		Wald		Wald		Wald		-2ΔLL		Wald		-2ΔLL		Wald		-2ΔLL

		Δ χ²₅	p	OR	p	OR	p	OR	p	Δ χ²₁	p	OR	p	Δ χ²₁	p	OR	p	Δ χ²₁	p
Major Depression (MD)

	Onset during/after 12mth SLE reporting period (During/after12RP)

M	6829	225.70	.000**	1.57	.000**	0.62	.000**	0.89	.010	15.10	.000**	1.46	.000	83.81	.000**	1.03	.474	0.52	.473
M	2541	44.86	.000**			0.63	.000**	0.88	.082	4.99	.026	1.26	.001	11.63	.001**	1.00	.974	0.00	.974
F	4288	175.89	.000**			0.61	.000**	0.91	.078	10.24	.001**	1.59	.000	80.49	.000**	1.02	.714	0.13	.714

	Onset after 12mth SLE reporting period (After12RP)

M	6755	202.14	.000**	1.58	.000**	0.59	.000**	0.87	.004	16.10	.000**	1.42	.000	63.62	.000**	1.03	.442	0.59	.441
M	2518	46.94	.000**			0.57	.000**	0.87	.079	4.45	.035	1.25	.003	8.92	.003**	1.02	.749	0.10	.749
F	4237	148.89	.000**			0.60	.000**	0.88	.032	11.57	.001**	1.52	.000	60.55	.000**	1.01	.786	0.07	.785

Sub-Clinical Depression (SCD)

	Onset during/after 12mth SLE reporting period (During/after12RP)

M	5942	350.46	.000**	1.36	.000**	0.59	.000**	0.90	.002	20.66	.000**	1.46	.000	112.14	.000**	0.99	.815	0.05	.815
M	2215	97.61	.000**			0.62	.000**	0.91	.096	5.77	.016*	1.36	.000	33.13	.000**	0.97	.589	0.29	.588
F	3727	248.68	.000**			0.58	.000**	0.90	.012	15.35	.000**	1.52	.000	81.23	.000**	0.99	.911	0.01	.911

	Onset after 12mth SLE reporting period (After12RP)

M	5791	314.58	.000**	1.38	.000**	0.57	.000**	0.88	.000	24.13	.000**	1.40	.000	82.83	.000**	0.97	.480	0.50	.479
M	2163	88.97	.000**			0.60	.000**	0.88	.034	8.10	.004**	1.31	.000	24.99	.000**	0.95	.388	0.75	.386
F	3628	221.27	.000**			0.56	.000**	0.88	.005	16.31	.000**	1.45	.000	59.35	.000**	0.98	.677	0.17	.677

Note. p: ‘.000’ = ‘<.001’; For males & females (M & F), p < .050 (*) were significant at α = .050 and p < .010 (**) were significant at α = .010; For M or F, we used a Bonferonni correction (p/2), so p < .025 (*) were significant at α = .050 and p < .005 (**) were significant at α = .010.