Table 7.

Predictive value of possible source of transmission for H. pylori infection.

Variable	95% confidence
	Odds ratio	Interval	p value∗
Family history	0.13	0.02–0.58	0.08
Ingesting food from street vendor	0.58	0.29–1.16	0.12
Being a farmer	0.09	0.03–0.26	<0.01∗
Ingesting pickled fish	11.27	4.31–29.45	<0.01∗
Ingesting salt crab	8.83	1.99–39.14	<0.01∗
Ingesting Papaya salad	8.73	4.54–16.79	<0.01∗
Thai vermicelli eaten with curry	0.08	0.02–0.27	<0.01∗

^∗Significance is set at p < 0.05.