Skip to main content

Table 3 Associations between breastfeeding duration and timing of pubic hair development in daughters: KPNC puberty study (N=3,087)

From: Breastfeeding and timing of pubertal onset in girls: a multiethnic population-based prospective cohort study

Breastfeeding durationa N TR 95% CI HR 95% CI
Not breastfed 470 0.98 0.96–1.00 1.24 1.05–1.46
< 6 months 1028 0.99 0.97–1.00 1.14 1.00–1.30
≥6 months 1589 Ref   Ref  
  1. CI Confidence interval, HR Hazard ratio, KPNC Kaiser Permanente Northern California, TR Time ratio
  2. aAdjusted for maternal race/ethnicity, maternal age at delivery, education, and parity