Table 1 Description of sample characteristics
|  | N = 935 (100%) |
|---|---|
Age (years) | Â |
 Young (18–35) | 609 (65.1) |
 Middle (36–54) | 303 (32.4) |
 Old (≥55) | 23 (2.5) |
 x ± SD | 31.7 ± 10.98 |
Gender | Â |
 Male | 316 (33.8) |
 Female | 619 (66.2) |
Income | Â |
 Less than $1300 | 418 (44.7) |
 Between $1300 & $3700 | 316 (33.8) |
 More than $3700 | 201 (21.5) |
Educational level | Â |
 School | 169 (18.1) |
 University | 766 (81.9) |
Regional distribution | Â |
 North | 5 (0.6) |
 South | 47 (5.0) |
 Eastern | 74 (7.9) |
 Western | 121 (12.9) |
 Central | 668 (71.5) |
 Others | 20 (2.1) |