Table 4 Combined effects of age and daily working hours for overweight or obesity based on BMI and PBF criterion in women

Group1 (Age < 50 and working hours < 9)

263 (37.73)

1

1

1

1

Group2 (Age ≥ 50 and working hours < 9)

292 (41.89)

1.69(1.11–2.56)

1.68(1.04–2.73)

2.66(1.67–3.91)

2.87(1.75–4.69)

Group3 (Age < 50 and working hours ≥ 9)

87 (12.48)

2.39(0.94–6.03)

2.34(0.77–7.11)

2.60(1.32–8.90)

2.73(1.19–12.06)

Group4 (Age ≥ 50 and working hours ≥ 9)

55 (7.89)

3.82(1.31–11.14)

3.56(1.03–12.37)

3.43(1.23–9.54)

3.90(1.05–11.00)