Table 2 Weighted percentages for prevalence and risk ratios (95 % CIs) for overweight at 7-years by cumulative family employment, unadjusted and adjusted for confounders (n = 9827)

Family employment

None^a

28.2 (147)

1

1

One sweep

19.7 (99)

0.70 (0.55–0.89)

0.71 (0.56–0.90)

Two sweeps

21.8 (98)

0.77 (0.60–0.99)

0.79 (0.62–1.00)

Three sweeps

22.3 (188)

0.79 (0.64–0.98)

0.82 (0.66–1.01)

Four sweeps

18.7 (1454)

0.66 (0.55–0.79)

0.75 (0.62–0.89)