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

Table 2 Single factor analysis of demographic characteristics associated with Helicobacter pylori infection in households

Influencing factor	Number of households surveyed	Number of H. pylori-positive households	Positive rate (%)	χ2 value	P value
Jurisdiction				11.038	0.087
Xinluo District	127	79	62.2
Yongding District	48	24	50.0
Shanghang County	60	31	51.7
Changting County	60	30	50.0
Wuping County	40	19	47.5
Liancheng County	40	30	75.0
Zhangping City	40	22	55.0
Residence				0.076	0.783
Urban	269	151	56.1
Rural	146	84	57.5
Household size				21.593	0.001
2	1001	401	40.0
3	135	75	55.6
4	1072	692	64.5
5	49	32	65.3
6	19	14	73.7
7	5	5	100.0
Family structure				20.740	0.000
Spousal family	841	301	35.7
Nuclear family	1942	1152	59.3
Stem family	1132	762	67.3
Other family types	24	14	58.3
Per capita monthly household income (Chinese yuan)				27.204	0.000
≤ 1500	191	161	84.2
1501-3000	1761	1181	67.0
3001-5000	2012	962	47.8
> 5000	192	52	26.3
Separate chopsticks and spoons				29.494	0.000
No	352	219	62.2
Yes	63	16	25.4
Shared tableware				27.520	0.000
No	98	33	33.7
Yes	317	202	63.7
Shared drinking cups				5.949	0.015
No	348	188	54.0
Yes	67	47	70.1
Shared toothbrush cups				18.027	0.000
No	361	190	52.6
Yes	54	45	83.3
Frequency of tableware disinfection (time/week)				70.894	0.000
< 1	2531	1811	71.5
1-2	532	282	52.8
≥ 3	1092	262	23.9

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.