Table 4.

Predictors of probable depression in each trimester.

Predictors in the First Trimester	B	WALD	p	OR [95% IC]
Age ≤ 30 years	0.94	4,04	0.045	2.55 [1.02–6.37]
Previous Miscarriages	1.19	7.13	0.008	3.28 [1.37–7.85]
High State Anxiety	1.38	4.70	0.03	3.97 [1.14–13,81]
High Perceived Stress	0.22	24.70	<0.001	1.24 [1.14–1.35]
Constant	−6.49	38.88	<0.001	0.002
Cox and Snell R2	0.343
Nagelkerke’s R2	0.501
Predictors in the Second Trimester
Probable Depression in the 1st Trimester	2.61	21.41	<0.001	13.61 [4.51–41.14]
Higher Perceived Stress in 1st Trimester	0.12	6.53	0.011	1.14 [1.03–1.24]
Higher Perceived Stress in 2nd Trimester	0.30	26.46	<0.001	1.35 [1.21–1.52]
Constant	−5.90	29.98	<0.001	0.003
Cox and Snell R2	0.402
Nagelkerke’s R2	0.611
Predictors in the Third Trimester
Major Depression in the 1st Trimester	1.69	6.49	0.011	5.43 [1.48–19.95]
Probable Depression in the 2nd Trimester	1.82	16.47	<0.001	6.19 [2.47–14.91]
High State Anxiety in 3rd Trimester	1.59	4.49	0.034	4.88 [1.13–21.13]
Higher Perceived Stress in 3rd Trimester	0.15	15.57	<0.001	1.16 [1.08–1.25]
Constant	−5.22	36.82	<0.001	0.005
Cox and Snell R2	0.368
Nagelkerke’s R2	0.555