Table 2.

Trends of stress, anxiety, and depressive symptoms from pregnancy to postpartum.

Variable	M ± SD	B	SE	95% CI	Wald X2	p
Stress
Intercept		17.12	0.42	16.30, 17.94	1676.52	<0.001
T1	17.12 ± 5.24	-
T2	16.34 ± 5.58	−0.85	0.36	−1.56, -0.14	5.44	0.02
T3	16.36 ± 5.98	−0.79	0.41	−1.61, 0.02	3.67	0.06
T4	17.12 ± 6.52	0.25	0.62	-0.98, 1.47	0.16	0.69
Trait anxiety
Intercept		42.25	0.76	40.67, 43.73	3113.60	<0.001
T1	42.25 ± 9.49	-
T2	42.44 ± 10.23	0.10	0.63	−1.14, 1.35	0.03	0.87
T3	42.94 ± 9.87	0.49	0.63	-0.074, 1.73	0.61	0.43
T4	43.71 ± 10.87	1.59	1.12	-0.61, 3.78	2.01	0.16
State anxiety
Intercept		42.91	0.88	41.19	2400.89	<0.001
T1	42.90 ± 10.97	-
T2	44.03 ± 11.49	1.03	0.79	-0.52, 2.58	1.71	0.19
T3	45.51 ± 12.23	2.38	0.90	0.62, 4.15	7.00	0.01
T4	44.60 ± 11.89	1.94	1.23	-0.47, 4.36	2.49	0.12
Depressive symptoms
Intercept		11.10	0.62	9.88, 12.31	319.09	<0.001
T1	11.10 ± 7.78	-
T2	12.42 ± 9.10	1.21	0.64	-0.03, 2.45	3.65	0.06
T3	12.68 ± 8.53	1.55	0.66	0.26, 2.85	5.54	0.02
T4	14.20 ± 11.01	3.17	1.08	1.05, 5.29	8.60	0.003

T1: 23 to 28 weeks of gestation; T2: 32 to 36 weeks of gestation; T3: over 36 weeks of gestation; T4: 4 to 6 weeks postpartum.