TABLE 4.

Logistic regression model with OR estimates and 95% CIs for Helicobacter pylori seropositivity in the study population (women)

Characteristic	OR (95% CI)
Age, years
<60	1
60 to 70	1.4 (0.9–2.3)
>70	2.8 (1.6–4.7)
Number of siblings
<2	1
2 to 4	1.3 (0.8–2.2)
>4	1.9 (1.1–3.1)
Alcohol intake, drinks/week
Never	1
≤10 drinks/week	0.5 (0.3–0.9)
>10 drinks/week	0.2 (0.0–1.1)