Table 3.

Multivariate Cox proportional hazards regression model results for gastric intestinal metaplasia formation over time

	HR (95%CI)	P value
Age at baseline (ref: ≤ 45)
46-55	1.75 (0.67, 4.58)	0.255
56-65	1.44 (0.56, 3.68)	0.445
> 65	3.01 (1.25, 7.26)	0.014
Female	0.8 (0.48, 1.33)	0.384
Race/Ethnicity (ref: Caucasians)
African American	3.4 (1.16, 9.95)	0.026
Hispanic	1.64 (0.28, 9.47)	0.582
Other	7.46 (2.26, 24.67)	0.001
Obesity (BMI > 30)	0.71 (0.42, 1.2)	0.201
Gastritis	1.65 (0.97, 2.81)	0.065
H. pylori (ref: Baseline: Neg, follow-up: Neg)
Baseline: Neg, follow-up: Pos	1.26 (0.53, 2.98)	0.602
Baseline: Pos, follow-up: Neg	0.6 (0.26, 1.37)	0.223
Baseline: Pos, follow-up: Pos	1.13 (0.34, 3.76)	0.847
Smoking (ref: Never)
Previous	0.96 (0.56, 1.65)	0.876
Current	0.74 (0.38, 1.47)	0.398

HR: Hazard ratio; BMI: Body mass index; Neg: Negative; Pos: Positive.