Table 1: Demographic characteristics of the patients.
| Variable | Category | Frequency |
| Gender | Female | 892 (60.6) |
| Male | 580 (39.4) | |
| Age group | < 15 years | 141 (9.6) |
| ≥ 15 years | 1331 (90.4) | |
| BMI | Underweight | 166 (11.4) |
| Normal weight | 573 (39.3) | |
| Overweight | 432 (29.6) | |
| Obese | 287 (19.7) |
Demographic characteristic of the 1472 patient sampled for the study which shows there are almost twice females on follow up as men and the larger group on follow up are above 15 years of age.