Table 3 The association between the lifestyle and dietary insulinemic indices and incidence of chronic kidney disease: the Tehran Lipid and Glucose Study

 Median score

0.009

0.096

0.170

0.272

0.516

 Follow up period

7.66 ± 2.84

7.87 ± 2.68

7.67 ± 2.75

7.82 ± 2.66

7.77 ± 2.67

 person-years

9263.2

9500.2

9274.0

9456.8

9395.4

 Case/Total

304/1209

247/1207

243/1209

221/1208

200/1208

 Incidence rate (10.000 person year)

328

259

262

233

212

 Model 1^a

1.00 (Ref)

0.87 (0.73–1.03)

1.02 (0.86–1.20)

1.09 (0.91–1.29)

1.06 (0.87–1.25)

 Model 2^b

1.00 (Ref)

0.87 (0.73–1.05)

1.03 (0.86–1.23)

1.11 (0.92–1.33)

1.08 (0.89–1.31)

 Median score

0.312

0.517

0.695

0.918

1.386

 Follow up period

7.81 ± 2.86

7.76 ± 2.71

7.70 ± 2.73

7.85 ± 2.62

7.66 ± 2.69

 person-years

9441.5

9393.1

9311.5

9490.4

9256.6

 Case/Total

242/1208

218/1208

238/1209

251/1209

266/1208

 Incidence rate (10.000 person year)

261

229

255

267

281

 Model 1^a

1.00 (Ref)

1.03 (0.86–1.22)

1.08 (0.91–1.29)

1.05 (0.87–1.25)

1.28 (1.07–1.52)

 Model 2^b

1.00 (Ref)

1.01 (0.84–1.21)

1.14 (0.95–1.38)

1.02 (0.84–1.29)

1.29 (1.06–1.57)

 Median score

0.98

1.17

1.31

1.45

1.69

 Follow up period

7.79 ± 3.04

7.87 ± 2.64

7.77 ± 2.81

7.63 ± 2.76

7.47 ± 2.79

 person-years

9552.1

9335.2

9237.9

9051.7

8877.0

 Case/Total

145/1187

225/1186

248/1188

278/1186

303/1187

 Incidence rate (10.000 person year)

151

241

268

307

341

 Model 1^a

1.00 (Ref)

1.13 (0.92–1.39)

1.23 (1.00–1.51)

1.18 (0.97–1.44)

1.34 (1.09–1.64)

 Model 2^c

1.00 (Ref)

1.14 (0.91–1.41)

1.25 (1.01–1.55)

1.20 (0.97–1.48)

1.35 (1.10–1.67)

 Median score

2.37

3.20

4.14

5.38

8.06

 Follow up period

7.83 ± 3.01

7.85 ± 2.81

7.76 ± 2.85

7.73 ± 2.68

7.67 ± 2.65

 person-years

9323.1

9212.6

9187.3

9100.0

9226.0

 Case/Total

219/1187

242/1186

226/1188

234/1186

277/1187

 Incidence rate (10.000 person year)

237

262

245

257

297

 Model 1^a

1.00 (Ref)

1.06 (0.89–1.26)

1.18 (0.98–1.40)

1.13 (0.95–1.35)

1.24 (1.04–1.48)

 Model 2^c

1.00 (Ref)

1.07 (0.90–1.29)

1.17 (0.97–1.41)

1.20 (1.00–1.45)

1.24 (1.02–1.51)