TABLE IV.
ADJUSTED ODDS RATIOS FOR ASSOCIATIONS OF FOOD CONTRIBUTORS OF TOCOPHEROL INTAKE AND LUNG CANCER RISK
| Quartile of dietary intake
|
p-value | ||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | ||
| Peanut butter (mg/day) | <0.2 | 0.2–2.1 | 2.2–6.9 | >6.9 | |
| Cases, n | 301 | 359 | 235 | 193 | |
| Controls, n | 352 | 400 | 332 | 330 | |
| Model 1 | 1.00 | 1.08 (0.86–1.34) | 0.87 (0.69–1.10) | 0.73 (0.57–0.93) | 0.004 |
| Salad dressing1 (mg/day) | <4.3 | 4.3–12.9 | >12.9 | ||
| Cases, n | 563 | 372 | 153 | ||
| Controls, n | 704 | 412 | 298 | ||
| Model 1 | 1.00 | 1.14 (0.95–1.38) | 0.72 (0.57–0.91) | 0.06 | |
| Fruit and vegetables (mg/day) | <429.3 | 429.3–652.6 | 652.7–953.3 | >953.3 | |
| Cases, n | 378 | 292 | 236 | 182 | |
| Controls, n | 354 | 353 | 354 | 353 | |
| Model 1 | 1.00 | 0.88 (0.70–1.10) | 0.75 (0.59–0.96) | 0.60 (0.46–0.78) | <0.0001 |
Model 1, adjusted for age, gender, ethnicity, education, BMI, alcohol (continuous), total calories (excluding alcohol calories), smoke years, number of cigarettes/day and history of cancer.
1
For salad dressing, we created tertiles because too few subjects were in the highest quartile of intake.