Table 1 Demographic characteristics of both studied groups
From: Association between opioid use disorder (tramadol) and serum level of interleukin-2
| Demographic characteristics | Patient group (n = 59) | Control group (n = 32) | t test | P value | ||
|---|---|---|---|---|---|---|
| Mean | ± SD | Mean | ± SD | |||
| Age | 28.69 | 7.96 | 30.63 | 7.96 | 1.183 | 0.240 |
| No. | % | No. | % | χ2 | P value | |
| Residence | ||||||
| Rural | 13 | 22.03 | 10 | 31.25 | 0.509 | 0.476 |
| Urban | 46 | 77.97 | 22 | 68.75 | ||
| Marital status | ||||||
| Single | 23 | 38.99 | 18 | 56.2 | 5.14 | 0.162 |
| Married | 34 | 57.63 | 11 | 34.4 | ||
| Divorced | 1 | 1.69 | 2 | 6.2 | ||
| Widow | 1 | 1.69 | 1 | 3.1 | ||
| Education level | ||||||
| Illiterate | 11 | 18.6 | 7 | 21.9 | 2.009 | 0.570 |
| Read and write* | 20 | 33.9 | 12 | 37.5 | ||
| Secondary school | 21 | 35.6 | 12 | 37.5 | ||
| University level | 7 | 11.9 | 1 | 3.1 | ||
| Occupation | ||||||
| Not working | 8 | 13.6 | 3 | 9.4 | 38.569 | 0.000 |
| Non skilled worker* | 3 | 5.1 | 8 | 25 | ||
| Skilled worker* | 36 | 61.1 | 4 | 12.5 | ||
| Employee | 4 | 8.6 | 16 | 50 | ||
| Student | 8 | 13.6 | 1 | 3.1 | ||
| Socioeconomic status level | ||||||
| Low | 35 | 59.3 | 7 | 21.9 | 12.280 | 0.002 |
| Moderate | 16 | 27.1 | 19 | 59.4 | ||
| High | 8 | 13.6 | 6 | 18.8 | ||