Table 5.

Effect of region, socioeconomic class, age, and number of family members on distribution of H. pylori positive cases among Saudi Children (6-15 years)

Variable	Study cohort	H. pylori positive		P
		number %
	3551	1413	40%
Region
Center	421	224	53.2%	<0.001
South	464	225	48.5%	0.058
West	794	309	39%	0.707
East	1108	399	30.5%	0.040
North	738	245	33.2%	0.006
Socioeconomic class
Low socioeconomic status	279	145	52%	0.006
Lower middle socioeconomic status	1320	598	45.3%	0.001
Higher middle socioeconomic status	1604	564	35.2%	0.001
Higher socioeconomic status	348	106	30.5%	0.011
Age group
≤ 6 yrs	89	19	21.3%	0.011
7 yrs	202	59	29.2%	0.031
8 yrs	330	104	31.5%	0.030
9 yrs	364	132	36.3%	0.335
10 yrs	418	153	36.7%	0.347
11 yrs	454	181	40%	0.981
12 yrs	470	201	42.8%	0.358
13 yrs	414	164	40%	0.959
14 yrs	413	186	45%	0.135
>15 yrs	397	214	54%	<0.001
Number of family members
≤5	887	323	36.4%	0.116
6-10	2282	899	39.4%	0.671
≥11	382	191	50%	0.006