Table 1.
Characteristics of the sample in intervention and control group at baseline
| Variable | Frequency (%) | Pa | |
|---|---|---|---|
| Intervention (n=908) | Control (n=899) | ||
| Gender | |||
| Male | 457 (50.3) | 452 (50.3) | 0.51 |
| Female | 451 (49.7) | 447 (49.7) | |
| Age (years) | |||
| Mean±SD | 15.05±0.79 | 15.13±0.85 | 0.06 |
| 95% CI | 15.00-15.11 | 15.07-15.18 | |
| Living arrangement | |||
| Both of parents | 831 (91.5) | 828 (92.1) | 0.08 |
| Mother/father only | 55 (6.1) | 35 (3.9) | |
| Grandparents/others | 22 (2.4) | 36 (4.0) | |
| Father’s education | |||
| No education | 110 (12.1) | 89 (9.9) | 0.18 |
| Primary level | 295 (32.5) | 278 (31.0) | |
| Middle level | 215 (23.7) | 200 (22.3) | |
| Secondary level | 160 (17.6) | 178 (19.9) | |
| College/university | 127 (14.0) | 151 (16.9) | |
| Mother’s education | |||
| No education | 303 (33.4) | 277 (30.9) | 0.10 |
| Primary level | 305 (33.7) | 317 (35.4) | |
| Middle level | 164 (18.1) | 137 (15.3) | |
| Secondary level | 85 (9.4) | 112 (12.5) | |
| College/university | 49 (5.4) | 53 (5.9) | |
| Pocket money (Rials/month) | |||
| <1,000,000 | 361 (42.2) | 303 (38.5) | 0.08 |
| 1,000,000-2,000,000 | 162 (18.9) | 159 (20.2) | |
| 2,000,001-3,000,000 | 135 (15.8) | 159 (20.2) | |
| ≥3,000,001 | 197 (23.0) | 167 (21.2) | |
aP value was calculated by Independent sample t-test, Chi-square or Fisher’s exact test between intervention and control groups. CI=Confidence interval, SD=Standard deviation