| Variables | No. | % | Mean + SD | p-value |
| Age groups (in years) | ||||
| <20 | 20 | 5.0 | −1.47 + 1.52 | |
| 21 - 40 | 81 | 20.3 | −2.56 + 2.03 | |
| 41 - 60 | 249 | 62.3 | −2.55 + 1.95 | |
| >60 | 50 | 12.5 | −2.48 + 2.10 | 0.121 |
| Sex: | ||||
| Females | 207 | 51.8 | −2.69 + 2.01 | |
| Males | 193 | 48.3 | −2.25 + 1.92 | 0.026 |
| Marital status | ||||
| Single | 50 | 12.5 | −1.84 + 1.61 | |
| Married | 338 | 84.5 | −2.61 + 2.02 | |
| Divorced | 12 | 3.0 | −1.61 + 1.43 | 0.012 |
| Education | ||||
| Illiterate | 122 | 30.5 | −2.53 + 1.97 | |
| School | 187 | 46.8 | −2.52 + 2.03 | |
| University | 91 | 22.8 | −2.33 + 1.89 | 0.718 |
| Occupation | ||||
| Governmental | 83 | 20.8 | −2.32+1.68 | |
| Business | 16 | 4.0 | −3.63+2.89 | |
| Professional | 51 | 12.8 | −2.32+1.82 | |
| Unemployed | 250 | 62.5 | −2.49+2.02 | 0.097 |