Prevalence, familial clustering, and influencing factors of Helicobacter pylori infection in Western Fujian Province households

Table 4 Relationship between Helicobacter pylori infection and different demographic characteristics in adults

Influencing factor	Number of respondents	Number of infected cases	Infection rate (%)	χ2 value	P value
Sex				0.015	0.904
Male	562	195	34.7
Female	646	222	34.4
Age				4.392	0.356
18-35	313	114	36.4
36-50	387	130	33.6
51-65	395	143	36.2
66-75	96	25	26.0
> 75	17	5	29.4
Residence				0.168	0.682
Rural	754	257	34.1
Urban	454	160	35.2
Family role				14.805	0.011
Parents	6081	2211	36.3
Spouse	1742	412	23.6
Grandparents	1491	551	36.9
Children	2531	931	36.8
Grandchildren	17	3	17.6
Others	7	4	57.1
Marital status				0.929	0.818
Married	952	330	34.7
Unmarried	188	64	34.0
Divorced	26	7	26.9
Widowed	42	16	38.1
Occupation				4.705	0.453
Worker (staff, professional and technical personnel)	521	178	34.2
Civil servant	56	19	33.9
Farmer	244	90	36.9
Retired	99	31	31.3
Student	78	20	25.6
Freelancer (self-employed, unemployed)	210	79	37.6
Educational level				2.290	0.318
Primary school and below	182	69	37.9
Junior high school/senior high school/technical secondary school	462	165	35.7
College and above	564	183	32.4
Awareness of H. pylori				69.758	0.000
Unaware	6611	2961	44.8
Partially aware	5172	1112	21.5
Fully aware	30	10	33.3

¹Represent the baseline group within the current influencing factor category.

²Groups that showed statistically significant differences from group labeled 1.

P < 0.05 indicating a statistically significant difference. A special symbol in statistics indicating no statistical difference between groups with the same number and a statistically significant difference between groups with different numbers. H. pylori: Helicobacter pylori.