Table 3. Distribution of 454 endometrial cancer cases and 908 controls, and corresponding odds ratio (OR) with 95% confidence intervals (CIs),a according to measures of fat distribution,b Italy, 1992–2006.
|
Cases
|
Controls
|
||||
|---|---|---|---|---|---|
| No. | (%) | No. | No. | OR (95% CI) | |
| Waist circumference (cm) | |||||
| <84 | 79 | (25.7) | 221 | (37.2) | 1c |
| 84–95 | 101 | (32.9) | 226 | (38.1) | 1.22 (0.83–1.79) |
| ⩾96 | 127 | (41.4) | 147 | (24.8) | 2.68 (1. 78–4.03) |
| χ2 for trend (P-value) | 22.51 (P<0.01) | ||||
| Hip circumference (cm) | |||||
| <100 | 87 | (28.4) | 218 | (36.8) | 1c |
| 100 to108 | 96 | (31.4) | 204 | (34.5) | 1.35 (0.92–1.98) |
| ⩾109 | 123 | (40.2) | 170 | (28.7) | 2.49 (1.66–3.72) |
| χ2 for trend (P-value) | 18.99 (P<0.01) | ||||
| Waist-to-hip ratio | |||||
| <0.833 | 71 | (23.3) | 224 | (37.8) | 1c |
| 0.833 to <0.890 | 129 | (42.2) | 177 | (29.9) | 2.10 (1.43–3.09) |
| ⩾0.890 | 106 | (34.6) | 191 | (32.3) | 1.33 (0.89–1.97) |
| χ2 for trend (P-value) | 1.38 (P=0.24) | ||||
| Waist-to-height ratio | |||||
| <0.52 | 77 | (25.1) | 237 | (40.0) | 1c |
| 0.52 to <0.59 | 101 | (32.9) | 200 | (33.8) | 1.66 (1.12–2.46) |
| ⩾0.59 | 129 | (42.0) | 155 | (26.1) | 3.10 (2.03–4.73) |
| χ2 for trend (P-value) | 27.53 (P<0.01) | ||||
a
ORs from conditional logistic regression models, conditioned on age and study centre, adjusted for year of interview, education, smoking status, age at menarche, age at menopause, oral contraceptives use, parity, and hormone replacement therapy use.
b
The sum does not add up to the total because of some missing values.
c
Reference category.