. Author manuscript; available in PMC: 2018 Mar 1.

Published in final edited form as: Metabolomics. 2017 Jan 20;13(3):23. doi: 10.1007/s11306-016-1154-y

Table 1.

Participant characteristics.

	GERD^a (n=100)		BE^a (n=62)		BE^b (n=60)		HGD+EA^b (n=100)
	n	%	n	%	n	%	n	%
Age
20–39	18	18.0	8	12.9	1	1.7	0	0.0
40–49	24	24.0	12	19.4	4	6.7	5	5.0
50–59	33	33.0	23	37.1	14	23.3	14	14.0
60–69	15	15.0	9	14.5	22	36.7	29	29.0
70–79	10	10.0	9	14.5	15	25.0	35	35.0
80+	0	0.0	1	1.6	4	6.7	17	17.0
Mean (SD)	51.6 (12.5)		55.3 (12.5)		64.9 (10.9)		68.9 (10.4)
Sex
Female	42	42.0	14	22.6	16	26.7	8	8.0
Male	58	58.0	48	77.4	44	73.3	92	92.0
Race
White	100	100.0	62	100.0	60	100.0	100	100
Smoking
Never	46	46.0	25	40.3	24	40.0	27	27.0
Ever	54	54.0	37	59.7	36	60.0	73	73.0
WHR^c
Normal	29	29.0	9	14.5	4	6.7	6	6.0
Obese	71	71.0	53	85.5	56	93.3	94	94.0

Study of Reflux Disease,

Seattle BE Project,

Waist-to-hip-ratio; normal WHR<0.9 (males) or <0.8 (females); High WHR≥0.9 (males) or ≥0.8 (females)