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Table 4 Odds ratios of children’s obesity and overweight in their mothers’ working hours per week stratified by age, gender

From: Mothers’ Working Hours and Children’s Obesity: Data from the Korean National Health and Nutrition Examination Survey, 2008–2010

Childrens’

Mothers’ working hours

Obese odds ratio (95% CI)§

Overweight and obese odds ratio (95% CI)§

Age

Gender

Crude OR

Adjusted OR†

Crude OR

Adjusted OR†

6-12

Male

< 40

1.25 (0.51-3.05)

1.40 (0.54-3.64)

0.81 (0.48-1.36)

0.73 (0.40-1.33)

40 ~ 48

1

1

1

1

49 ~ 60

1.50 (0.42-5.40)

1.59 (0.44-5.74)

0.97 (0.44-2.16)

0.94 (0.39-2.27)

> 60

0.68 (0.15-2.99)

0.37 (0.06-2.35)

0.41 (0.15-1.10)

0.24 (0.06-0.89)

Female

< 40

1.42 (0.54-3.70)

1.51 (0.51-4.41)

1.42 (0.77-2.62)

1.14 (0.57-2.30)

40 ~ 48

1

1

1

1

49 ~ 60

3.65 (1.09-12.22)

3.40 (0.86-13.54)

2.26 (1.06-4.85)

2.51 (1.03-6.10)

> 60

3.17 (0.75-13.37)

3.24 (0.63-16.82)

1.38 (0.52-3.67)

1.35 (0.43-4.28)

13-18

Male

< 40

2.89 (1.36-6.15)

4.23 (1.79-10.00)

2.62 (1.31-5.25)

3.83 (1.76-8.31)

40 ~ 48

1

1

1

1

49 ~ 60

0.99 (0.40-2.45)

1.15 (0.42-3.11)

0.97 (0.44-2.14)

1.14 (0.48-2.72)

> 60

2.34 (0.97-5.66)

2.39 (0.90-6.39)

2.10 (0.92-4.78)

2.09 (0.82-5.32)

Female

< 40

1.97 (0.65-5.94)

2.20 (0.73-6.65)

1.89 (0.80-4.47)

2.02 (0.84-4.89)

40 ~ 48

1

1

1

1

49 ~ 60

1.62 (0.57-4.57)

1.22 (0.36-4.22)

1.69 (0.67-4.29)

1.35 (0.47-3.92)

> 60

1.87 (0.64-5.50)

1.90 (0.65-5.52)

2.30 (0.94-5.65)

2.62 (1.04-6.62)

  1. § confidence interval (CI).
  2. † adjusted with children’s age, household income and mothers’ education, mothers’ BMI, occupational classification and shift work.