Table 1. Baseline characteristics.
n=3866
| Mean | ||
| Age | 26.3 (±8.8) | |
| BMI | 25.2 (±6.7) | |
| n | % | |
| Gender | ||
| Female | 2251 | 58.2 |
| Male | 1615 | 41.8 |
| Region | ||
| Center | 1853 | 47.9 |
| East | 488 | 12.6 |
| North | 243 | 6.3 |
| South | 312 | 8.1 |
| West | 970 | 25.1 |
| Area | ||
| City | 3032 | 78.4 |
| Governorate | 637 | 16.5 |
| Village | 197 | 5.1 |
| Marital status | ||
| Divorced | 68 | 1.8 |
| Married | 998 | 25.8 |
| Single | 2793 | 72.2 |
| Widow | 7 | 0.2 |
| Occupation | ||
| Employer | 1144 | 29.6 |
| Not employer | 643 | 16.6 |
| Retired | 66 | 1.7 |
| Self-employment | 96 | 2.5 |
| Student | 1917 | 49.6 |
| Educational level | ||
| Postgraduate | 223 | 5.8 |
| Bachelor | 2514 | 65 |
| High school | 1091 | 28.2 |
| Intermediate | 30 | 0.8 |
| Elementary | 6 | 0.2 |
| Illiterate | 2 | 0.1 |
| Coffee intake | ||
| Yes | 1801 | 46.6 |
| No | 2065 | 53.4 |
| Smoking | ||
| Yes | 724 | 18.7 |
| No | 3142 | 81.3 |
| Alcohol | ||
| Yes | 130 | 3.4 |
| No | 3736 | 96.6 |