Short mucin 6 alleles are associated with H pylori infection

Table 1 Baseline characteristics of H pylori positive and negative patients

H pylori positive H pylori negative
Characteristic	n (%)	n (%)
	(n = 92)	(n = 68)
Mean age (SD) (yr)	46 (12)a	39 (13)
Gender
Male	29 (50)	29 (50)
Female	63 (62)	39 (38)
Currently smoking
Yes	22 (56)	17 (44)
No	70 (58)	51(42)
Current alcohol consumption
Yes	16 (55)	13 (45)
No	76 (58)	55 (42)

^aP < 0.05 vs H pylori negative.

Table 2 Factors associated with H pylori infection

Factor	Unadjusted analysis		Adjusted analysis1
	Odds ratio	95% CI	Odds ratio	95% CI
MUC6 genotype (SS vs LS/LL)a	3.18	1.5-6.9	2.93	1.3-6.5
Age group (> 45 vs ≤ 45 yr)a	2.11	1.1-4.1	2.11	1.0-4.3
Gender (male vs female)	0.62	0.3-1.2	0.47	0.2-1.9
Currently smoking	0.94	0.5-2.0	1.46	0.5-4.3
Current alcohol consumption	0.89	0.4-2.0	1.39	0.5-3.9

^aP < 0.05.

¹Adjusted for MUC6 genotype, age group, gender, current smoking and current alcohol consumption.