Table 4.

Binary Logistic Regression Predicting the Likelihood of Being High or Low in Depressive Symptoms Based on Gestational Age, Social Support from Baby’s Father, CAR Mean Increase, and Neuroticism

	−2LL	R²	X² (Model)	X² (Block)	B	SE (B)	Wald	OR	95% CI OR
Block 1	43.73	0.02	0.42	0.42
GA					−0.04	0.07	0.41	0.96	[0.83, 1.10]
Block 2	39.10	0.19	5.05	4.63^†
GA					−0.09	0.08	1.21	0.91	[0.78, 1.07]
Soc. Support (Father)					−0.44	0.38	1.31	0.65	[0.31, 1.37]
CAR Mean Incr.					−2.35	1.43	2.71	0.10	[0.01, 1.56]
Block 3	34.87	0.33	9.28^*	4.23^*
GA					−0.08	0.09	0.83	0.92	[0.78, 1.10]
Soc. Support (Father)					−0.68	0.43	2.55	0.51	[0.22, 1.17]
CAR Mean Incr.					−3.24	1.95	2.76^†	0.04	[0.00, 1.78]
Neuroticism					−0.67	0.38	3.15^†	0.51	[0.25, 1.07]
Block 4	25.19	0.59	18.96^**	9.68^*
GA					−0.32	0.19	2.82^†	0.73	[0.50, 1.05]
Social Support (Father)					0.17	0.65	0.07	1.19	[0.33, 4.27]
CAR Mean Incr.					−6.94	3.57	3.77^*	0.001	[0.00, 1.06]
Neuroticism					−0.62	0.54	1.35	0.54	[0.19, 1.54]
Soc. Support (Father) × CAR Mean Incr.					−5.99	4.49	1.78	0.003	[0.00, 16.67]
Neuroticism × Soc. Support (Father)					−2.43	1.20	4.12^*	0.09	[0.01, 0.92]
Neuroticism × CAR Mean Incr.					−0.42	1.19	0.12	0.66	[0.06, 6.81]

R² is Adjusted Nagelkerke R², OR = Odds ratio (Exponentiated B), C.I. = Confidence Interval; CAR = cortisol awakening response, GA = gestational age, mean incr. = mean increase, Soc. = social

^**

p < .01,

p < .05,

^†

p < .10 (marginal)