Effect of labor-delivery-recovery-postpartum family-centered obstetrics care combined with painless delivery on postpartum depression in primiparas

Table 1 Comparison of baseline characteristics between the two groups, mean ± SD/n (%)

Characteristic	Control group (n = 266)	Observation group (n = 257)	t/χ2	P value
Age (years)	28.76 ± 4.52	29.13 ± 4.37	0.982	0.327
Gestational age (weeks)	39.25 ± 0.78	39.31 ± 0.82	0.815	0.415
Height (cm)	162.43 ± 5.21	162.78 ± 4.96	0.763	0.446
Pre-pregnancy weight (kg)	54.36 ± 7.82	53.98 ± 8.15	0.564	0.573
Pre-pregnancy BMI (kg/m2)	20.58 ± 2.31	20.42 ± 2.45	0.721	0.471
Educational level			2.135	0.344
High school and below	78 (29.32)	75 (29.18)
College/associate degree	126 (47.37)	121 (47.08)
Bachelor degree and above	62 (23.31)	61 (23.73)
Occupation			3.268	0.195
Office worker	105 (39.47)	101 (39.30)
Labor worker	82 (30.83)	78 (30.35)
Freelancer	48 (18.05)	49 (19.07)
Others	31 (11.65)	29 (11.28)
Antenatal care visits (times)	8.25 ± 1.63	8.37 ± 1.58	0.794	0.427
History of adverse pregnancy	18 (6.77)	16 (6.23)	0.108	0.743
Family monthly income (RMB)			1.896	0.387
< 5000	65 (24.44)	62 (24.12)
5000-10000	142 (53.38)	138 (53.70)
> 10000	59 (22.18)	57 (22.18)

BMI: Body mass index.