Table 2

Helicobacter pylori infection status among different provinces

		Household-based analysis			Individual-based analysis			Children-based analysis*
	Provinces	Subtotal household, n	Infected household†, n	Household infection rate (%)‡	Subtotal individual, n	Infected individual, n	Individual infection rate (%)	Subtotal children, n	Infected children, n	Children infection rate (%)
1	Qinghai	395	336	85.06	1129	673	59.61	93	51	54.84
2	Hainan	430	359	83.49	1454	744	51.17	237	59	24.89
3	Gansu	303	246	81.19	819	415	50.67	85	22	25.88
4	Jiangsu	535	430	80.37	1680	845	50.30	203	64	31.53
5	Liaoning	308	247	80.19	982	433	44.09	92	34	36.96
6	Shaanxi	153	119	77.78	527	234	44.40	45	8	17.78
7	Shandong	457	354	77.46	1412	611	43.27	199	52	26.13
8	Anhui	450	346	76.89	1395	568	40.72	200	35	17.50
9	Xinjiang	95	73	76.84	238	112	47.06	23	6	26.09
10	Fujian	229	175	76.42	558	276	49.46	46	14	30.43
11	Tianjin	311	230	73.95	911	360	39.52	165	27	16.36
12	Hebei	426	313	73.47	1340	526	39.25	292	62	21.23
13	Jiangxi	531	390	73.45	1654	635	38.39	334	67	20.06
14	Jilin	203	147	72.41	587	230	39.18	63	6	9.52
15	Shanxi	362	261	72.10	944	405	42.90	39	7	17.95
16	Hunan	352	253	71.88	992	386	38.91	124	23	18.55
17	Hubei	272	195	71.69	860	300	34.88	80	10	12.50
18	Sichuan	733	518	70.67	2052	832	40.55	207	44	21.26
19	Henan	124	87	70.16	319	137	42.95	33	7	21.21
20	Chongqing	522	366	70.11	1659	616	37.13	230	44	19.13
21	Heilongjiang	346	239	69.08	1007	414	41.11	93	22	23.66
22	Guangdong	595	407	68.40	1811	642	35.45	325	43	13.23
23	Ningxia	453	290	64.02	1184	431	36.40	132	20	15.15
24	Inner Mongolia	238	152	63.87	628	218	34.71	37	3	8.11
25	Zhejiang	372	230	61.83	886	327	36.91	90	12	13.33
26	Beijing	402	248	61.69	1152	394	34.20	104	13	12.50
27	Yunnan	734	414	56.40	1810	564	31.16	88	10	11.36
28	Shanghai	217	117	53.92	583	185	31.73	59	8	13.56
29	Guizhou	187	94	50.27	525	133	25.33	63	4	6.35
Total/average§		10 735	7636	71.21§	31 098	12 646	40.66§	3781	777	20.55§

*Children is defined as participants less than 18 years of age, including children and adolescents.
†Infected household is defined as a household with at least one H. pylori-infected family member
‡Household infection rate is defined as percentage of infected household among all households.
§Average infection rate (per column).