Table 1.

Infant and Demographic Characteristics of the Survey Population

Variable
Infant
 Age (mo)
  Mean (SD) 8.7 (1.1)
  Range6.2–12.9
 Gender (%)
  Male54.1
  Female45.9
 First-born child (%)49.3
 Gestation (%)
  ≤32 wk0.8
  33–36 wk5.4
  37–41 wk80.1
  ≥42 wk13.7
 Current breastfeeding practices (%)
  Exclusively breastfeeding34.0
  Breast and formula feeding21.8
  Was breastfed, now formula only37.8
  Never breastfed6.4
Demographic
 Maternal age (y)
  Mean (SD)33.6 (4.1)
 Born in Australia (%)
  Mothers74.8
  Fathers74.6
 Language spoken at home (%)
  English95.5
 Marital status (%)
  Single1.4
  Divorced/separated1.1
  Married/defacto97.5
 University education (%)
  Mothers61.8
  Fathers61.6
 Maternal employment status (%)
  Employed31.5
  Home duties/unemployed68.5
 Paternal employment status (%)
  Employed96.1
  Unemployed3.9
 Maternal occupational prestige (ANU 3)
  Mean (SD)48.5 (18.4)
  Range3.7–100
 Paternal occupational prestige (ANU 3)
  Mean (SD)53.5 (20.3)
  Range3.7–100