Impact of postpartum persistent depression on infant developmental behavior and maternal self-efficacy

Table 1 Basic characteristics of infants and mothers

Characteristic variable	Classify	Number of cases (n = 60)	Composition ratio (%)
Gender	Male	32	53.33
	Female	28	46.67
Delivery method	Vaginal delivery	35	58.33
	Cesarean section	25	41.67
Birth weight	Low birth weight	1	1.67
	Normal birth weight	53	88.33
	Macrosomia	6	10.00
Maternal age at birth (years)	< 25	9	15.00
	25-29	31	51.67
	> 29	20	33.33
Paternal age at birth (years)	< 26	9	15.00
	26-32	35	58.33
	> 32	16	26.67
Term birth	Full-term infant	58	96.67
	Preterm birth	2	3.33
Maternal education level	High school or below	18	30.00
	College (associate degree)	19	31.67
	Bachelor's degree or above	23	38.33
Paternal education level	High school or below	18	30.00
	College (associate degree)	19	31.67
	Bachelor's degree or above	23	38.33
Per capita household income (yuan)	< 2500	7	11.67
	2500-4000	22	36.67
	> 4000	31	51.67
Account	Agricultural	18	30.00
	Non-agricultural	42	70.00