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Table 3 The relationship between SES and the risk of breastfeeding cessation (N = 2658)

From: Socioeconomic status and breastfeeding in China: an analysis of data from a longitudinal nationwide household survey

Variables AHR * 95% CI p
Household income per capita (RMB) 0.99 0.95–1.03 0.547
ISEI score for mother’s occupation
 16–32/unemployment (Ref) 1.00   
 33–43 1.15 1.01–1.32 0.035
 44–58 1.28 1.08–1.53 0.005
 59–90 1.10 0.86–1.40 0.448
ISEI score for father’s occupation
 16–32/unemployment (Ref) 1.00   
 33–43 1.08 0.96–1.22 0.183
 44–58 1.02 0.86–1.23 0.793
 59–90 1.29 1.04–1.59 0.017
Mother’s educational status
 Middle school and below (Ref) 1.00   
 High school or above 1.14 1.01–1.28 0.031
Father’s educational status
 Middle school and below (Ref) 1.00   
 High school or above 1.05 0.95–1.18 0.290
  1. (1) AHR denotes the adjusted hazard ratio from Cox regression models. The other control variables included: household characteristics (residence, residential regions), parental characteristics (age, mother’s marital status, and parity), and infant characteristics (gender, birth weight, gestational age, place of delivery, ethnicity, and birth year). (2) ISEI score refers to occupational status, with higher values indicating higher occupational status. (3) 2658 observations were used in Cox regression for 280 infants were never breastfed. Among 2658 children, the longest breastfeeding duration was 39 months, while the shortest was is 0.1 months. The time interval is 0.1 to 39 months