. Author manuscript; available in PMC: 2021 Apr 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2020 Aug 20;29(10):2084–2092. doi: 10.1158/1055-9965.EPI-20-0525

Table 5.

Secondary Analysis, H. pylori and H. pylori-CagA Sero-Prevalence by Race in the Multiethnic Cohort (MEC), 1995–2006

	H. pylori−		H. pylori+								H. pylori−/CagA−		H. pylori+CagA+
Race	n	%	n	%	PR^a	95% CI^a	PR^b	95% CI^b	PR^c	95% CI^c	n	%	n	%	PR^a	95% CI^a	PR^b	95% CI^b	PR^c	95% CI^c
White^d	157	69	69	31	1.00	Ref	1.00	Ref	1.00	Ref	183	81	43	19	1.00	Ref	1.00	Ref	1.00	Ref
African American	75	27	205	73	2.40	1.95, 2.96	2.21	1.79, 2.73	2.21	1.79, 2.73	102	36	178	64	3.34	2.52, 4.44	3.05	2.29, 4.06	3.07	2.31, 4.08
Japanese American	334	59	236	41	1.36	1.09, 1.69	1.32	1.06, 1.65	1.34	1.07, 1.66	381	67	189	33	1.74	1.30, 2.34	1.71	1.28, 2.30	1.71	1.27, 2.29
Latino	78	24	251	76	2.50	2.03, 3.07	2.24	1.82, 2.76	2.25	1.82, 2.77	153	47	176	53	2.81	2.11, 3.75	2.55	1.91, 3.41	2.57	1.92, 3.43
Native Hawaiian	52	54	44	46	1.50	1.12, 2.01	1.44	1.07, 1.93	1.44	1.07, 1.93	56	58	40	42	2.19	1.53, 3.13	2.11	1.47, 3.02	2.12	1.48, 3.04

Abbreviations: −, sero-negative; +, sero-positive; CagA, Cytotoxin-associated gene A; CI, Confidence interval; PR, Prevalence ratio; Ref, Reference.

Log-binomial regression models without further adjustment.

Log-binomial regression models with adjustment for age (continuous), sex, education (≤HS, technical school or some college, ≥college), and case-control status.

Log-binomial regression models with adjustment for age (continuous), sex, education (≤HS, technical school or some college, ≥college), case-control status, BMI (non-obese/obese), and smoking status (ever/never).

Non-Latino whites only.