Table 1. Characteristics of patients with methicillin-resistant Staphylococcus aureus infection and controls, prison X, Missouri, 2002–2003*.
| Characteristics | Case-patients, % (n = 30) | Controls, % (n = 80) | Crude OR (95% CI) |
|---|---|---|---|
| Age, y | |||
| 20–34 | 60 | 20 | 6.00 (1.47–24.45) |
| 35–49 | 30 | 60 | 1.00 (0.24–4.15) |
| >50 | 10 | 20 | 1.00 |
| Race | |||
| Caucasian | 20 | 51.3 | 1.00 |
| Non-Caucasian | 80 | 48.8 | 4.21 (1.55–11.39) |
| Educational level | |||
| No college† | 86.7 | 72.5 | 2.47 (0.77–7.88) |
| College | 13.3 | 27.5 | 1.00 |
| Overweight‡ | |||
| Yes | 56.7 | 23.8 | 4.20 (1.73–10.19) |
| No | 43.3 | 76.3 | 1.00 |
| Antimicrobial drug use in the 3 months before imprisonment | |||
| Yes | 13.3 | 7.5 | 1.90 (0.50–7.26) |
| No | 86.7 | 92.5 | 1.00 |
| Abnormal skin condition before arriving | |||
| Yes | 13.3 | 3.8 | 3.95 (0.83–18.82) |
| No | 86.7 | 96.3 | 1.00 |
*OR, odds ratio; CI, confidence interval. Other characteristics examined included chronic medical condition, daily medication use for treating chronic conditions, hospitalization 6 months before prison admission, intravenous drug use, use of gymnasium or barbershop, and attending educational classes. These characteristics did not differ significantly between patients and controls. †Included no high school, graduation from high school, or general educational development. ‡Defined as a body mass index >25.