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| Obesity Factors | Cases | Controls | χ2 | P value |
| BMI | 5.652 | 0.017 | ||
| Normal | 390 (89.9%) | 395 (94.3%) | ||
| Overweight | 44 (10.1%) | 24 (5.7%) | ||
| WHR | 6.384 | 0.012 | ||
| Normal | 30 (16.0%) | 60 (26.3%) | ||
| Overweight | 157 (84.0%) | 168 (73.7%) |
BMI: body mass index; CHD: coronary heart disease; WHR: waist–hip ratio.
