Table 4. Odds ratio (OR) with 95% confidence intervals (CIs)a of 454 endometrial cancer cases (CA) and 908 controls (CO), according to height, waist-to-hip ratio, and waist-to-height ratio in strata of recent body mass index at diagnosis, Italy, 1992–2006.
Body mass index (kg m−2) at diagnosis
|
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<25
|
25 to <30
|
⩾30
|
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CA : CO | OR (95% CI) | CA : CO | OR (95% CI) | CA : CO | OR (95% CI) | |
Height (cm) | ||||||
<160 | 29 : 103 | 1b | 52 : 102 | 1b | 71 : 53 | 1b |
160–164 | 42 : 126 | 1.25 (0.69–2.25) | 53 : 110 | 0.93 (0.56–1.54) | 53 : 44 | 0.97 (0.53–1.79) |
⩾165 | 55 : 184 | 1.13 (0.65–1.96) | 55 : 139 | 0.74 (0.44–1.23) | 44 : 43 | 0.69 (0.37–1.30) |
Waist-to-hip ratio | ||||||
<0.833 | 33 : 135 | 1b | 22 : 70 | 1b | 16 : 19 | 1b |
0.833 to <0.890 | 29 : 71 | 1.70 (0.87–3.34) | 50 : 78 | 1.74 (0.88–3.45) | 50 : 28 | 2.95 (1.04–8.39) |
⩾0.890 | 17 : 60 | 1.01 (0.49–2.09) | 38 : 88 | 1.11 (0.55–2.25) | 51 : 43 | 1.17 (0.43–3.15) |
Waist-to-height ratio | ||||||
<0.52 | 55 : 195 | 1b | 22 : 41 | 1b | 0 : 1 | 0 (—) |
0.52 to <0.59 | 21 : 64 | 1.68 (0.84–3.36) | 59 : 122 | 0.92 (0.45–1.87) | 21 : 14 | 1b |
⩾0.59 | 4 : 6 | 4.69 (0.97–22.76) | 29 : 74 | 0.82 (0.35–1.90) | 96 : 75 | 0.80 (0.31–2.05) |
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.
Reference category.