Group | Intervention | Control | Chi-square/independent t test (p value) |
---|---|---|---|
N (%) | N (%) | ||
Demographic variables | |||
Age (years) | 0.53 | ||
< 30 | 36(42.4) | 31(36.5) | |
30–60 | 49(57.6) | 54(63.5) | |
Mean age | 34.32 ± 8.19 | 33.62 ± 6.17 | |
Education level | 0.49 | ||
Primary school | 12(14.1) | 11(12.9) | |
Middle school | 24(28.2) | 20(23.5) | |
High school | 40(47.1) | 38(44.7) | |
Higher degree of education | 9(10.6) | 16(17.6) | |
Marital status | 0.54 | ||
Single | 22(25.9) | 16(18.8) | |
Married | 63(74.1) | 69(81.2) | |
Working experience(years) | 0.16 | ||
< 3 | 17(20) | 15(17.6) | |
3–5 | 32(37.6) | 22(25.9) | |
> 5 | 36(42.4) | 48(56.5) | |
History of injury | 0.41 | ||
Yes | 15(17.6) | 15.3 | |
No | 70(82.4) | 84.7 | |
Monthly income (Rials) | 0.11 | ||
< 15,000,000 | 67(78.8) | 69.4 | |
≥ 15,000,000 | 18(21.2) | 30.6 |