. 2018 Jun 15;18:278. doi: 10.1186/s12879-018-3146-1

Table 5.

Multivariate logistic regression analysis of risk factors of H pylori infection

Variable	H. pylori (+) (%)	H. pylori (−) (%)	OR (95% CI)	P value
Low income (≤ 2500)
Yes	87 (79.09)	23 (20.90)	1,794,969,562 (20.893 to 21.724)	0.001
No	45 (47.4)	50 (52.6)	1,794,969,562 (20.893 to 21.724)	0.001
NSAIDs consumption
Yes	57 (73.07%)	21 (26.92%)	0.509 (−2.612 to 0.328)	0.230
No	75 (59.05%)	52 (40.94)	0.509 (−2.612 to 0.328)	0.230
Family history of gastric cancer
Yes	82 (80.39)	20 (19.60)	0.000 (−20.510 to −17.871)	0.002
No	50 (48.54%)	53 (51.45%)	0.000 (−20.510 to −17.871)	0.002
Household population > 4
Yes	130 (65.32)	69 (34.67)	0.000 0.000 to	0.999
No	2 (33.33)	4 (66.66)	0.000 0.000 to	0.999
Nausea/Vomiting
Yes	45 (91.84%)	4 (8.16%)	5.41 2.05 to 14.24	0.001
No	87 (55.77%)	69 (44.23%)	5.41 2.05 to 14.24	0.001
Flatulence/Bloating
Yes	93 (89.42%)	11 (10.58%)	7.705 3.77 to 15.74	0.0001
No	39 (38.61%)	62 (61.39%)	7.705 3.77 to 15.74	0.0001