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

Published in final edited form as: Gastroenterology. 2020 Feb 29;158(8):2082–2092. doi: 10.1053/j.gastro.2020.02.037

Table 1.

Descriptive Characteristics of Subjects

	First Upper Endoscopy Subjects			Early Neoplasia Subjects (n = 89)
	All (n = 1,152)	No Barrett’s Esophagus (n = 1,059)	Barrett’s Esophagus (n = 81)	Early Neoplasia Subjects (n = 89)
Age (years)*	58.3 (9.9)	58.1 (9.9)	59.7 (10.2)	65.6 (8.2)
Male sex (%)^§	674 (58.5%)	596 (56.3%)	69 (85.2%)	69 (77.5%)
Body mass index (kg/m²)*	30.2 (7.2)	30.2 (7.3)	29.9 (6.1)	31.4 (7.2)
Waist circumference (cm)*	105.5 (16.4)	105.3 (16.4)	106.8 (15.8)	110.1 (17.1)
Waist-to-hip ratio*	0.970 (0.076)	0.967 (0.076)	0.999 (0.073)	1.009 (0.070)
GERD ≥ weekly off meds (%)^§	627 (55.2%)	561 (53.8%)	59 (72.8%)	70 (78.7%)
PPI use currently (%)^§	574 (50.6%)	516 (49.5%)	54 (66.7%)	89 (100.0%)
Current smoker (%)^§	203 (17.9%)	183 (17.6%)	16 (19.8%)	13 (14.6%)
Former smoker (%)^§	412 (36.3%)	370 (35.5%)	41 (50.6%)	54 (60.7%)
Non-Hispanic white (%)^§	894 (85.1%)	817 (84.8%)	66 (88.0%)	86 (96.6%)

Data expressed as mean (standard deviation)* or number (proportion)^§. Proportions are among subjects with available data.

GERD: gastroesophageal reflux disease, PPI: proton pump inhibitor