Table 2. Baseline characteristics of the study participants .
| Variable | N | % |
| Gender: | ||
| male | 184 | 43.2 |
| female | 242 | 56.8 |
| Age Mean± SD (Min- Max) 32.2 ± 13.3 (15- 80): | ||
| <=20years | 75 | 17.6 |
| 21-30 years | 170 | 39.9 |
| 31-40years | 65 | 15.3 |
| 41-50years | 69 | 16.2 |
| >50years | 47 | 11.0 |
| Nationality: | ||
| Non-Saudi | 2 | 0.5 |
| Saudi | 424 | 99.5 |
| Education: | ||
| Illiteracy | 4 | 0.9 |
| elementary school | 8 | 1.9 |
| intermediate school | 8 | 1.9 |
| high school | 112 | 26.3 |
| college or above | 294 | 69.0 |
| Occupation: | ||
| student | 178 | 41.8 |
| employed | 111 | 26.1 |
| unemployed | 91 | 21.4 |
| Retired | 36 | 8.5 |
| freelancer | 10 | 2.3 |
| Do you work \ Study in a medical Field? | ||
| no | 282 | 66.2 |
| yes | 144 | 33.8 |
| Monthly income: | ||
| less than 5000 | 244 | 57.3 |
| 5000-10000 | 80 | 18.8 |
| 10000-20000 | 88 | 20.7 |
| more than 20000 | 14 | 3.3 |