Table 2.
Epidemiology of Enterobius vermicularis in the developmental center in 1994
| Epidemiologic characteristics | Sample size, No. | No. of cases; rate/100 persons | Odds ratio | 95% Confidence interval |
|---|---|---|---|---|
| Sex | ||||
| Male | 579 | 161; 28% | 2.71 | 1.94-3.79 |
| Female | 418 | 52; 12% | ||
| Age, yr | ||||
| <20 | 64 | 3; 5% | 0.71 | 0.52-0.96 |
| 20-29 | 175 | 24; 14% | ||
| 30-39 | 405 | 97; 24% | ||
| 40-49 | 265 | 64; 24% | ||
| 50 | 88 | 25; 28% | ||
| Race | ||||
| White | 775 | 164; 21% | 0.95 | 0.66-1.36 |
| Nonwhite | 222 | 49; 22% | ||
| Locomotion | ||||
| Ambulatory | 682 | 213; 31% | 286.94 | 17.82-4,619.28 |
| Nonambulatory | 315 | 0; 0% | ||
| IQ | ||||
| <20 | 766 | 169; 22% | 1.20 | 0.83-1.74 |
| 20-69 | 231 | 44; 19% | ||
| Total | 997 | 213; 21% | ||