Volume 12, Number 5—May 2006
Dispatch
The Trojan Chicken Study, Minnesota
Sandra R. Olson*†
and Gregory C. Gray*
and Gregory C. Gray*
Table 1
Hand contamination by variables gender, age, and roles*
| Variable | Not contaminated, n = 86 (%) | Contaminated, n = 8 (%) | OR (95% CI) |
|---|---|---|---|
| Sex | |||
| Female | 60 (92.3) | 5 (7.7) | Referent |
| Male | 26 (89.7) | 3 (10.3) | 1.4 (0.2–7.7) |
| Age group, y | |||
| 7–12 | 12 (92.3) | 1 (7.7) | 0.3 (0.0–3.3) |
| 13–21 | 18 (100) | 0 (0) | Referent |
| 22–50 | 33 (89.2) | 4 (10.8) | 0.4 (0.1–2.3) |
| 51–79 | 12 (85.7) | 2 (14.3) | 0.6 (0.1–4.5) |
| Role | |||
| Exhibitor | 18 (100) | 0 (0) | Referent |
| Family member of exhibitor | 14 (82.4) | 3 (17.6) | 0.8 (0.1–4.8) |
| Visitor | 35 (92.1) | 3 (7.9) | 0.3 (0–1.8) |
| Other | 8 (88.9) | 1 (11.1) | 0.5 (0–5.2) |
*OR, odds ratio; CI, confidence interval. All OR were calculated with exact CI by EpiInfo version 3.3.2 (CDC, Atlanta, GA, USA). The value 0.5 was inserted into cells with values of zero.
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