Table 2.
Crude and adjusted logistic regression models for ciguatera illness in telephone survey participants in St. Thomas, US Virgin Islands
| Variable | Crude | Adjusted* | ||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Model 1: lifetime history of ciguatera illness (N = 720) | ||||
| Sex (female vs. male) | 0.7 | 0.5–1.1 | – | – |
| Location of birth | ||||
| US Virgin Islands | Ref. | Ref. | ||
| Caribbean, outside US Virgin Islands | 2.0 | 1.3–2.9 | 1.5 | 1.0–2.2 |
| Outside Caribbean | 0.7 | 0.4–1.1 | 0.6 | 0.4–1.1 |
| Education | ||||
| Some high school or less | Ref. | Ref. | ||
| High school graduate | 0.5 | 0.3–0.8 | 0.7 | 0.4–1.2 |
| Some college or more | 0.3 | 0.2–0.5 | 0.6 | 0.3–0.9 |
| Model 2: ciguatera episode in the past 5 years (N = 369) | ||||
| Previous ciguatera episode | 4.2 | 1.9–9.5 | 3.4 | 1.4–8.5 |
| Age (years) | ||||
| 18–44 | Ref. | Ref. | ||
| 45–64 | 2.2 | 0.7–7.0 | 1.6 | 0.5–5.3 |
| 65 or older | 3.1 | 0.9–10.4 | 1.5 | 0.4–5.6 |
*
Adjusted for location of birth, education, fish consumption, and age. Model 2 is also adjusted for previous ciguatera episode.