. 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 3.

H. pylori and H. pylori-CagA Sero-Prevalence by Race and Cohort, in a Subset of the H. pylori-Colorectal Cancer Consortium (NYUWHS, PLCO, SCCS, WHI, and MEC), 1985–2009

Cohort	H. pylori +										H. pylori + CagA +

	Whites^a		African Americans								Whites^a		African Americans
	n	%	n	%	PR^b	95%CI	PR^c	95%CI	PR^d	95%CI	n	%	n	%	PR^b	95%CI	PR^c	95%CI	PR^d	95%CI
Total	1,081	33	845	71	2.17	2.05, 2.31	1.96	1.83, 2.09	1.96	1.84, 2.10	638	19	732	62	3.19	2.94, 3.47	2.83	2.59, 3.10	2.87	2.62, 3.14

NYUWHS	193	47	34	62	1.32	1.05, 1.66	1.41	1.12, 1.77	1.34	1.04, 1.73	125	30	28	51	1.68	1.25, 2.26	1.68	1.25, 2.26	1.70	1.25, 2.32
PLCO	373	34	63	64	1.89	1.60, 2.24	1.80	1.52, 2.13	1.85	1.55, 2.20	233	21	53	54	2.55	2.06, 3.16	2.39	1.93, 2.97	2.46	1.97, 3.07
SCCS	85	49	454	77	1.56	1.33, 1.82	1.52	1.30, 1.78	1.51	1.29, 1.77	41	24	402	68	2.86	2.18, 3.75	2.75	2.09, 3.62	2.76	2.10, 3.63
WHI	361	26	89	55	2.12	1.80, 2.50	2.10	1.78, 2.47	2.03	1.71, 2.41	196	14	71	44	3.11	2.51, 3.87	3.17	2.53, 3.96	3.16	2.51, 3.98
MEC	69	31	205	73	2.40	1.95, 2.96	2.27	1.83, 2.81	2.28	1.84, 2.82	43	19	178	64	3.34	2.52, 4.44	3.23	2.43, 4.31	3.23	2.43, 4.30

Abbreviations: +, sero-positive; CagA, Cytotoxin-associated gene A; CI, confidence interval; MEC, Multiethnic cohort study; n, number; NYUWHS, New York University Women’s Health Study; PLCO, Prostate, Lung, Colorectal, and Ovarian Cancer Screening Study; PR, prevalence ratio; SCCS, Southern Community Cohort Study; WHI, Women’s Health Initiative.

Includes non-Latino and Latino whites.

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).