Preeclampsia and Its Complications Exacerbate Development of Postpartum Depression: A Retrospective Cohort Study

Table 1

Comparison of baseline characteristics between normal and PE women.

Variables	PE () (%)	Normal () (%)	value
Age (y)			0.135^a
18-24	9 (6.92)	24 (8.13)
25-34	104 (80.0)	250 (84.75)
35-45	17 (13.08)	21 (7.12)
Prepregnant BMI (kg/m^2)			0.005^a
<18.5	20 (15.4)	59 (20.0)
18.5-23.9	86 (66.2)	215 (72.9)
24.0-27.9	21 (16.1)	17 (5.7)
≥28.0	3 (2.3)	4 (1.4)
BMI increment			0.792^b
Gravidity	2 (1-3)	2 (1-3)	0.942^c
Parity	1 (1-2)	1 (1-2)	0.777^c
Primipara	91 (70.0)	213 (72.20)	0.643^a
Cesarean section	121 (93.08)	98 (33.22)	<0.001^a
Gestational weeks (d)	260 (251.75-269.00)	277 (272.00-282.00)	<0.001^c
Male baby	65 (50.0)	167 (56.61)	0.245^a
Neonatal weight (g)	2960 (2197.50-3362.50)	3255 (3035.00-3560.00)	<0.001^c
Education background	4 (3-4)	4 (3-4)	0.451^c
Annual income	3 (2-3)	3 (2-3)	0.839^c
Leakage Index	0 (0-1)	0 (0-2)	0.713^c
Pain scale	1 (1-1)	1 (1-1)	0.268^c
Exclusive breastfeeding	43 (33.08)	170 (57.63)	<0.001^a

^aThe value is calculated by the chi-squared test. ^bThe value is calculated by the independent sample -test. ^cThe value is calculated by the Kruskal-Wallis test. Education background was divided into 5 degrees: 1: no more than junior middle school; 2: senior high school; 3: junior college; 4: bachelor degree; 5: master degree or above. Annual income (of family) was divided into 5 degrees: 1: 30k-80k RMB per year; 2: 80k-120k RMB per year; 3: 120k-200k RMB per year; 4: 200k-300k RMB per year; 5: more than 300k RMB per year.