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Table 3 Weighted percentages for prevalence and risk ratios (95 % CIs) for overweight at 7-years by cumulative maternal full-time employment, unadjusted and adjusted for confounders (n = 9827)

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

 

Percent (n) overweight

Unadjusted RR

+ Confoundersb

Maternal full-time employment

   

Nonea

19.3 (1365)

1

1

One sweep

17.4 (217)

0.90 (0.77–1.06)

0.91 (0.78–1.07)

Two sweeps

23.1 (142)

1.20 (1.01–1.43)

1.21 (1.01–1.44)

Three sweeps

23.6 (102)

1.23 (0.99–1.52)

1.26 (1.01–1.58)

Four sweeps

26.8 (160)

1.39 (1.15–1.68)

1.46 (1.20–1.78)

  1. aBaseline group: no sweeps at which full-time employment was reported by the mother
  2. bConfounders: maternal ethnicity, highest qualification, pre-pregnancy bodysize, smoking in pregnancy, birthweight, duration breastfeeding, solids at 4-months