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

Table 7 Single factor analysis of Helicobacter pylori infection factors in adolescents

Influencing factor	Number of households surveyed	Number of H. pylori-positive households	Positive rate (%)	χ2 value	P value
Sex				0.006	0.940
Male	128	40	31.3
Female	91	28	30.8
Age				1.126	0.569
3-6	37	9	24.3
7-12	112	35	31.3
13-17	70	24	34.3
Residence				0.496	0.481
Rural	75	21	28.0
Urban	144	47	32.6
Family role				0.028	0.867
Children	127	40	31.5
Grandchildren	92	28	30.4
Family history of H. pylori infection				32.110	0.000
No	132	22	16.7
Yes	87	46	52.9
Hand washing before and after meals				2.807	0.094
No	10	6	60.0
Yes	209	62	29.7
Hand washing after defecation				1.213	0.271
No	7	4	57.1
Yes	212	64	30.2
Shared tableware (including straws)				6.519	0.011
No	82	17	20.7
Yes	137	51	37.2
Toothbrushing frequency (time/day)				0.450	0.502
≤ 1	83	28	33.7
> 1	136	40	29.4
Toothbrush replacement frequency (months/time)				1.261	0.532
≤ 3	161	49	30.4
4-6	39	11	28.2
> 6	19	8	42.1
Eating rhythm				1.017	0.313
No	28	11	39.3
Yes	191	57	29.8
Smoking or secondhand smoke exposure				3.113	0.078
No	162	45	27.8
Yes	57	23	40.4
Gastrointestinal symptoms				2.823	0.093
No	187	54	28.9
Yes	32	14	43.8
Beverage consumption				2.670	0.102
No	47	10	21.3
Yes	172	58	33.7
Beverage type				1.870	0.393
None/electrolyte drink/soda water	54	13	24.1
Milk tea/fruit tea/coffee	49	15	30.6
Carbonated beverage	116	40	34.5
Smoked and fried food intake (time/week)				4.125	0.042
< 1	202	59	29.2
≥ 1	17	9	52.9
Pickled food intake (time/week)				0.021	0.885
< 3	207	65	31.4
≥ 3	12	3	25.0
Salt intake (g/day)				29.664	0.000
< 6	183	43	23.5
≥ 6	36	25	69.4
Fruit and vegetable intake (time/week)				3.543	0.060
< 3	14	8	57.1
≥ 3	205	60	29.3
Whole grain intake (time/week)				1.524	0.217
< 3	181	53	29.3
≥ 3	38	15	39.5
Milk and dairy product intake (time/week)				0.085	0.771
< 3	30	10	33.3
≥ 3	189	58	30.7
Soybean and soybean product intake (time/week)				2.606	0.106
< 3	151	52	34.4
≥ 3	68	16	23.5
Soup consumption (time/week)				2.090	0.148
< 3	28	12	42.9
≥ 3	191	56	29.3
Garlic intake (time/week)				1.216	0.270
< 3	205	66	32.2
≥ 3	14	2	14.3
Snack consumption (time/week)				1.616	0.446
< 1	13	4	30.8
1-3	94	25	26.6
> 3	112	39	34.8
Sleep duration (hours/day)				0.361	0.548
≤ 8	64	18	28.1
> 8	155	50	32.3
Staying up late				0.357	0.550
No	179	54	30.2
Yes	40	14	35.0
Dental caries				28.960	0.000
No	135	24	17.8
Yes	84	44	52.4
Halitosis				17.362	0.000
No	1391	301	21.6
Yes, noticed by others	412	172	41.5
Yes, noticed by oneself	392	212	53.8
Learning mode				0.123	0.726
Day school	194	61	31.4
Boarding	25	7	28.0
Object biting				17.032	0.000
No	1831	521	28.4
Occasionally	261	71	26.9
Frequently	102	92	90.0
Independent sleep				0.423	0.525
No	81	23	28.4
Yes	138	45	32.6
Playing in public places (times/week)				1.169	0.280
< 3	85	30	35.3
≥ 3	134	38	28.4
Mouth-to-mouth kissing				2.145	0.143
No	213	64	30.0
Yes	6	4	66.7

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.