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Table 4 Weighted percentages for prevalence and risks ratios (95 % CIs) for overweight at 7-years by cumulative maternal and paternal full-time employment: continuous couple families only (n = 5136)

From: Parental employment during early childhood and overweight at 7-years: findings from the UK Millennium Cohort Study

  Percent (n) overweight Unadjusted RR Mutually adjusted cumulative maternal and paternal employment Mutually adjusted + Confoundersb
   A B C
Maternal full-time employment     
Nonea 17.3 (635) 1 1 1
One sweep 13.5 (98) 0.78 (0.63–0.97) 0.78 (0.63–0.97) 0.79 (0.64–0.97)
Two sweeps 21.5 (70) 1.24 (0.94–1.64) 1.25 (0.94–1.65) 1.29 (0.97–1.71)
Three sweeps 24.0 (60) 1.39 (1.02–1.89) 1.39 (1.02–1.89) 1.44 (1.04–1.99)
Four sweeps 29.0 (106) 1.68 (1.36–2.07) 1.69 (1.37–2.08) 1.71 (1.38–2.11)
Paternal full-time employment     
Nonea 17.8 (36) 1 1 1
One sweep 18.4 (28) 1.03 (0.60–1.79) 1.04 (0.60–1.80) 1.06 (0.61–1.84)
Two sweeps 11.8 (32) 0.66 (0.39–1.13) 0.65 (0.38–1.11) 0.70 (0.41–1.18)
Three sweeps 20.4 (118) 1.15 (0.79–1.67) 1.14 (0.78–1.65) 1.18 (0.82–1.70)
Four sweeps 18.1 (755) 1.01 (0.71–1.44) 1.01 (0.71–1.45) 1.11 (0.79–1.56)
  1. aBaseline group: no sweeps at which full-time employment was reported by the parent
  2. bConfounders: maternal ethnicity, highest qualification, pre-pregnancy bodysize, smoking in pregnancy, birthweight, duration breastfeeding, solids at 4-months