Table 1. Prevalence of intestinal parasites according to epidemiological factors observed in staff of fast food shops, roasted meat shops, and restaurants in Khorramabad city, West of Iran, in 2011.
| Variable | No. of samples | Frequency of contamination | Odds Ratio (95% CI) | p-value |
|---|---|---|---|---|
| Gender | ||||
| Male | 184 | 9.24% (17/184) | Ref. | |
| Female | 26 | 7.69% (2/26) | 0.85 (0.08-4.1) | 0.797 |
| Level of education | ||||
| Low literate | 104 | 7.69% (8/104) | Ref. | |
| Diploma | 93 | 10/75% (10/93) | 1 (0.11-8.7) | 1 |
| Academic degree | 13 | 7.69% (1/13) | 1.45 (0.17-12.32) | 0.74 |
| Age group (years) | ||||
| > 25 | 59 | 3.39% (2/59) | Ref. | |
| 25-40 | 114 | 11.4% (13/114) | 0.29 (0.05-1.67) | 0.165 |
| 40-70 | 37 | 10.81% (4/37) | 1.06 (0.32-3.48) | 0.921 |
| Awareness of diseases transmission | ||||
| No | 34 | 38.23% (13/34) | Ref. | |
| Yes | 175 | 3.43% (6/175) | 0.07 (0.2-0.23) | 0.001 |
| Holding valid health card | ||||
| No | 26 | 30.77% (8/26) | Ref. | |
| Yes | 164 | 3.05% (5/164) | 0.08 (0.02-0.32) | 0.001 |