Table 4:

Regression model of certain demographic variables for intestinal metaplasia and H. pylori infection

Variables	Lesions	Polyps
Sex
Male	3.3 (1.6–6.8)*	0.2 (0.1–0.5)*
Female	Ref.	Ref.
Age (years)
<50	1.5 (0.5–4.4)	0.5 (0.1–1.7)
50–60	2.2 (1.1–4.4)*	0.3 (0.1–0.7)*
>60	Ref.	Ref.
BMI (kg/m2)
<25		2.2 (0.8–5.7)
25–30		1.7 (0.6–4.5)
>30		Ref.
Exposure to harmful industries
Yes		Ref.
No		0.3 (0.1–0.8)*
Physical activity
Yes		0.3 (0.2–1.2)
No		Ref.

^*p<0.05.