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
	<25		25 to <30		⩾30
	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)

^aORs 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.

^bReference category.