Table 3 Interactive effect of NB history on the risk of diabetes (odds ratios and 95% confidence intervals)

Sex

 Male (1788)

434

1716 (25.3)

27

72 (37.5)

1.57

0.95–2.60

0.080

 Female (3261)

567

3081 (18.4)

48

180 (26.7)

1.34

0.93–1.93

0.114

 P_interaction

0.498

Age (years)

 <45 (897)

78

883 (8.8)

2

14 (14.3)

1.28

0.24–6.71

0.774

 ≥ 45 (4152)

923

3914 (23.6)

73

238 (30.7)

1.47

1.10–1.97

0.010

 P_interaction

0.884

BMI (kg/m2)

 <28 (3981)

705

3802 (18.5)

50

179 (27.9)

1.54

1.09–2.19

0.016

 ≥ 28 (1068)

296

995 (29.7)

25

73 (34.2)

1.17

0.69–1.98

0.570

 P_interaction

0.402

WHR

 ≤ 0.80(F)or ≤ 0.85 (M) (627)

59

611(9.7)

1

16(6.3)

0.40

0.05–3.31

0.399

 >0.80(F)or > 0.85 (M) (4422)

942

4186 (22.5)

74

236(31.4)

1.45

1.08–1.94

0.014

 P_interaction

0.250

WHtR

 <0.5 (1519)

185

1464 (12.6)

12

55 (21.8)

1.62

0.82–3.22

0.167

 ≥ 0.5 (3530)

816

3333 (24.5)

63

197 (31.2)

1.36

0.98–1.87

0.064

 P_interaction

0.790