Table 3

Multivariable logistic regression analysis

Predictor		Estimated odds ratio	95% CI	p Value
Age group (y)	<40	Reference
	40–49	1.01	0.61–1.68
	50–59	1.55	0.98–2.45
	60–69	1.71	1.09–2.69
	⩾70	1.72	1.06–2.78	0.04
Sex	Male	Reference
	Female	0.61	0.44–0.83	0.002
Smoking	Non	Reference
	Ex	1.13	0.62–1.34
	Current	0.91	0.75–1.45	0.51
Alcohol	None	Reference
consumption	Mild	1.04	0.75–1.45
	Moderate	1.45	0.91–2.32
	Severe	1.82	0.77–4.31	0.25
H pylori−ve		Reference
H pylori+ve	cagA ⁻	1.05	0.67–1.66
H pylori+ve	cagA ⁺	0.57	0.41–0.80	0.003
Drug history, NSAID	None	Reference
	Yes	1.54	0.76–3.15	0.24
Drug history, antacids >2× week	No Yes	Reference 1.58	1.19 to 2.11	0.002
Intestinal metaplasia	0	Reference
	1–100	0.83	0.57–1.21	0.33
Hiatus hernia	No	Reference
	Yes	4.86	3.59–6.57	<0.0001