Table 5
Model adjusted estimates of incidence densities (ID) ratios and odds ratios from survey Poisson and logistic regression
| Variable |
Poisson regression ID ratio (95% confidence intervals) |
Logistic regression Odds ratio (95% confidence intervals) |
| Experience (ref: 5 or more years) | ||
| first year | 2.86 (1.14, 7.18) | 3.35 (1.42, 7.94) |
| 2–4 years | 2.10 (0.80, 5.48) | 2.10 (0.92, 4.77) |
| Type of work (ref: other) | ||
| prime | 14.59 (1.82, 117) | 17.31 (2.12, 140.8) |
| prime/barn | 8.41 (1.48, 48.2) | 7.23 (1.45, 36.1) |
| top | 6.96 (1.02, 47.5) | 5.15 (0.82, 32.5) |
| barn | 2.72 (0.30, 24.8) | 3.24 (0.33, 31.6) |
| Tobacco user | 0.44 (0.29, 0.66) | 0.49 (0.33, 0.74) |
| Work in wet clothes | 2.27 (0.77, 6.67) | 4.10 (1.66, 10.1) |
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Tobacco use is yes if in the past seven days the worker smoked cigarettes or cigars, or dipped snuff. Work in wet clothes is the percentage of hours worked in wet clothes.
