Table 2 Relative risk (RR) (95% CI) of T2DM according to insulinaemic potential of diet and lifestyle indices tertiles (result from Yazd Health Study)

EDIR (1000 Kcal)

Median score

0.199

0.300

0.431

Case/Total

127 / 1905

110 / 1903

106 / 1906

Crude model

1.00 (Ref)

0.87 (0.66–1.15)

0.83 (0.62–1.10)

Model 1*

1.00 (Ref)

0.90 (0.69–1.22)

0.92 (0.69–1.22)

Model 2^†

1.00 (Ref)

0.88 (0.66–1.19)

0.95 (0.70–1.28)

EDIH (1000 Kcal)

Median score

0.023

0.080

0.156

Case/Total

133 / 1904

110 / 1905

100 / 1905

Crude model

1.00 (Ref)

0.78 (0.60–1.03)

0.70 (0.53–0.94)

Model 1^*

1.00 (Ref)

0.83 (0.63–1.10)

0.76 (0.57–1.01)

Model 2^†

1.00 (Ref)

0.83 (0.63–1.09)

0.77 (0.58–1.02)

ELIR

Median score

2.95

3.43

6.18

Case/Total

102/ 1609

101 / 1611

91 / 1610

Crude model

1.00 (Ref)

0.98 (0.72–1.33)

0.93 (0.68–1.27)

Model 1

1.00 (Ref)

1.15 (0.84–1.58)

1.08 (0.78–1.49)

Model 2^‡

1.00 (Ref)

1.11 (0.80–1.53)

0.95 (0.65–1.37)

ELIH

Median score

1.14

1.45

1.83

Case/Total

52/ 1610

93 / 1609

149 / 1611

Crude model

1.00 (Ref)

2.03 (1.39–2.95)

3.14 (2.21–4.47)

Model 1^*

1.00 (Ref)

1.75 (1.20–2.55)

2.47 (1.73–3.53)

Model 2^‡

1.00 (Ref)

1.70 (1.17–2.48)

2.28 (1.59–3.27)