Table 4.
Studies evaluating poultry intake and endometrial cancer risk.
| Reference | Country | Age | Cases/Controls or total cohort | Type of study | Exposure | Contrast | OR (95% CI) | P for trend | Covariates considered* | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | E | S | H | R | |||||||||
| Zheng et al., 1995[29] | United States | 55–69 | 216/23,070 | Cohort | Poultry | Q3 vs. Q1 | 1.3 | >0.05 | 1 | 1 | 1 | 2 | ||
| Shu et al., 1993 [9] | China | 18–74 | 268/268 | Population-based cc | Poultry | Q4 vs. Q1 | 0.9 | 0.42 | 1 | 1 | 1 | 1 | ||
| Goodman et al., 1997 [34] | United States | 18–84 | 332/511 | Population-based cc | Poultry | >38 vs. <10.5 g/day | 0.6 | 0.006 | (A) | 1 | 1 | 1 | ||
| McCann et al., 2000 [35] | United States | 40–85 | 232/639 | Population-based cc | Poultry | >10 vs. <5 times/month | 0.7 (0.4–1.1) | 0.09 | 1 | 1 | 1 | 1 | 3 | |
| Jain et al., 2000[39] | Canada | 552/562 | 30–79 | Population-based cc | Chicken | >33.4 vs. <9.2 g/day | 1.23 (0.85–1.78) | 0.65 | 1 | 1 | 1 | 1 | 1 | 2 |
| Xu et al., 2006 [37] | China | 30–69 | 1,204/1,212 | Population-based cc | Poultry | >18.5 vs. <4 g/day | 1.6 (1.3–2.1) | <0.01 | 1 | 1 | 1 | 1 | ||
| Levi et al., 1993 [7] | Italy and Switzerland | 30–75 | 274/572 | Hospital-based cc | Poultry | Q3 vs. Q1 | 0.87 | 1 | ||||||
| Hirose et al., 1996[40] | Japan | >20 | 145/26,751 | Hospital-based cc | Chicken | >3 vs. <3 servings/week | 1.02 (0.64–1.62) | 1 | ||||||
*
Adjustment columns: A = Age; B = BMI/weight; E = Total Energy; S = Smoking; H = HRT/ERT use; R = Reproductive factors; (A): matched on age. Numbers in columns refer to the number of covariates adjusted for under that grouping. Abbreviations: Q: quantile; T: tertile; cc: case-control.