From: Eating disorders in medical students of Karachi, Pakistan-a cross-sectional study
 |  | B | S.E. | Wald | df | Sig. | Odds ratio | 95.0% C.I. for Odds ratio | |
---|---|---|---|---|---|---|---|---|---|
 |  |  |  |  |  |  |  | Lower | Upper |
Step 1* | Age | 0.018 | 0.081 | 1.784 | 1 | 0.182 | .898 | 0.767 | 1.052 |
 | Gender(1) | -0.359 | 0.334 | 1.156 | 1 | 0.282 | 0.698 | 0.363 | 1.344 |
 | BMI | 0.161 | 0.039 | 17.223 | 1 | 0.000 | 1.175 | 1.089 | 1.268 |
 | Constant | -2.643 | 1.791 | 2.178 | 1 | 0.140 | .071 |  |  |
Step 2* | Age | -0.097 | 0.080 | 1.496 | 1 | 0.221 | 0.907 | 0.776 | 1.060 |
 | BMI | 0.150 | 0.037 | 16.274 | 1 | 0.000 | 1.162 | 1.080 | 1.249 |
 | Constant | -2.697 | 1.777 | 2.303 | 1 | 0.129 | 0.067 |  |  |
Step 3* | BMI | 0.148 | 0.037 | 15.959 | 1 | 0.000 | 1.160 | 1.078 | 1.247 |
 | Constant | -4.657 | 0.799 | 34.011 | 1 | 0.000 | 0.009 |  |  |