Table 3.

Associations of waist and hip circumferences with erosive oesophagitis (EO) or Barrett’s oesophagus (BO)

	No with no EO or BO/No with EO or BO	Crude OR (95% CI)	Adjusted OR (95% CI)*	OR (95% CI) further adjusted for each other†
Waist circumference
1st tertile (<100.8 cm)	242/51	1 (Reference)	1 (Reference)	1 (Reference)
2nd tertile (100.8–111.9 cm)	216/85	1.89 (1.26 to 2.77)	1.61 (1.03 to 2.52)	1.73 (0.964 to 3.09)
3rd tertile (≥ 111.9 cm)	217/89	1.95 (1.32 to 2.87)	1.54 (0.979 to 2.43)	1.96 (0.926 to 4.15)
Per 5 cm increments in waist		1.09 (1.04 to 1.15)	1.06 (0.990 to 1.13)	1.09 (0.985 to 1.22)
p Value for trend		0.002	0.10	0.09
Hip circumference
1st tertile (<102.0 cm)	233/60	1 (Reference)	1 (Reference)	1 (Reference)
2nd tertile (102.0–110.1 cm)	221/82	1.44 (0.985 to 2.11)	1.39 (0.901 to 2.14)	0.959 (0.541 to 1.70)
3rd tertile (≥110.1 cm)	221/83	1.46 (0.998 to 2.13)	1.24 (0.801 to 1.92)	0.743 (0.361 to 1.53)
Per 5 cm increments in hip		1.04 (0.970 to 1.11)	0.995 (0.918 to 1.08)	0.872 (0.766 to 0.995)
p Value for trend		0.07	0.42	0.38

^*Adjusted for age, pack-years of cigarette use, daily energy intake, proportion of energy from fat, and physical activity.

^†Adjusted for the same variables as above plus waist or hip circumference treated as categorical variables (tertiles).