Table 3.
Association between QOL with demographic variables in study participants
| Variables | QOL | The significance level | |
|---|---|---|---|
| Mean (SD) | N | ||
| Age | |||
| 15–25 | 26.88 (9.96) | 37 |
F = 4.85 P < 0.001** |
| 26–35 | 28.78 (8.94) | 40 | |
| 36–45 | 34.87 (13.51) | 25 | |
| 46–55 | 40.51 (21.87) | 10 | |
| > 55 | 42.46 (21.5) | 8 | |
| Level of education | |||
| Illiterate | 24.57 (3.71) | 6 |
F = 3.46 P = 0.011* |
| Elementary education | 25.61 (6.23) | 29 | |
| Secondary education | 32.36 (15.80) | 62 | |
| Diploma | 36.58 (9.72) | 19 | |
| University education | 42.75 (21.04) | 4 | |
| Age at first use | |||
| 10–15 | 25.66 (7.74) | 70 |
F = 13.57 P < 0.001** |
| 16–20 | 38.77 (16.31) | 23 | |
| 21–25 | 34.75 (6.79) | 6 | |
| 26–30 | 41.22 (17.18) | 21 | |
| Living condition | |||
| With parent | 35.02 (19.35) | 7 |
F = 0.78 P = 0.54 |
| With father | 38.25 (29.88) | 3 | |
| With mother | 36.98 (8.06) | 6 | |
| Lonely | 29.60 (11.58) | 47 | |
| With family | 31.388 (13.80) | 57 | |
| Job | |||
| Jobless | 32.11 (14.9) | 73 |
F = 1.72 P = 0.11 |
| College student | 26.96 (5.73) | 4 | |
| Student | 27.61 (4.95) | 6 | |
| Worker | 26.25 (7.27) | 22 | |
| Farmer | 32.26 (0) | 1 | |
| Employee | 24.4 (6.36) | 3 | |
| Free job | 41.1 (17.91) | 8 | |
| Other | 40.82 (1.39) | 3 | |
**The level of significance was set at P < .01, *The level of significance was set at P < .05