Table 7 Multivariate logistic regression analysis of independent risk factors affecting the development of obesity at 48^th months (n = 109)

Body mass index

 Age

0.904

0.836–0.978

6.331

0.012

 Baseline body mass index

2.099

1.535–2.870

21.578

 < 0.001

 Not to exercise

30.939

1.218–785.832

4.324

0.038

Cox and Snell R² = 0.459, Nagelkerke R² = 0.658, χ2 for Hosmer and Lemeshow goodness of fit test: 8.056 and p = 0.428

Body fat percentage

 Baseline body mass index

1.887

1.451–2.455

22.383

 < 0.001

 Baseline wrist circumference

0.304

0.149–1.986

10.565

 < 0.001

 Baseline neck circumference

1.499

1.132–1.986

7.966

0.005

 GFR level at the 1^st month

1.048

1.017–1.079

9.367

0.002

 Not to exercise

30.726

2.247–420.115

6.588

0.010

Cox and Snell R² = 0.491, Nagelkerke R² = 0.665, χ2 for Hosmer and Lemeshow goodness of fit test: 10.551 and p = 0.228

Waist circumference

 Baseline body mass index

1.493

1.110–2.007

7.036

0.008

 Baseline waist circumference

1.185

1.063–1.321

9.445

0.002

 Baseline wrist circumference

0.506

0.287–0.890

5.586

0.018

Cox and Snell R² = 0.519, Nagelkerke R² = 0.697, χ2 for Hosmer and Lemeshow goodness of fit test: 6.111 and p = 0.635

Waist-to-hip ratio

 Baseline waist circumference

1.117

1.053–1.186

13.246

 < 0.001

 Not to exercise

4.751

1.080–20.894

4.252

0.039

 History of dyslipidemia

4.606

1.357–15.631

6.001

0.014

Cox and Snell R² = 0.316, Nagelkerke R² = 0.457, χ2 for Hosmer and Lemeshow goodness of fit test: 9.600 and, p = 0.294