Soil-transmitted helminths, intestinal protozoa and Clonorchis sinensis infections in southeast China

BMC Infectious Diseases

Table 2 Characteristics of participants in rural area and urban area

	Rural area		Urban area		χ²/χ_c²	p	Total
	N	(%)	N	(%)	χ²/χ_c²	p	N	(%)
Age
1–17	2008	10.07	424	11.72	9.00	< 0.05	2432	10.33
18–44	3967	19.90	836	23.11	19.473	< 0.05	4803	20.39
45–60	7012	35.17	1062	29.36	3.24	0.07	8074	34.28
> 60	6948	34.85	1295	35.80	1.21	0.27	8243	35.00
Sex
Female	10487	52.61	1968	54.41	4.00	< 0.05	12,455	52.88
Male	9448	47.39	1649	45.59			11097	47.12
Ethnicity
Ethnic Han	19619	98.41	3580	98.98	6.55	0.01	23199	98.50
Ethnic She	303	1.52	36	1.00	5.94	0.02	339	1.44
Others	13	0.07	1	0.03	0.88^a	0.35	14	0.06
Job
Farmer	13922	69.84	869	24.03	2.8 × 10³	< 0.05	14791	62.80
Worker	1346	6.75	420	11.61	104.25	< 0.05	1766	7.50
Housewife	1522	7.63	339	9.37	12.70	< 0.05	1861	7.90
Student	1250	6.27	320	8.85	32.67	< 0.05	1570	6.67
Preschoolers	856	4.29	147	4.06	0.40	0.53	1003	4.26
Officer	342	1.72	294	8.13	479.16	< 0.05	636	2.70
Retired	204	1.02	825	22.81	3.5 × 10³	< 0.05	1029	4.37
Others	493	2.47	403	11.14	628.66	< 0.05	896	3.80
Education level
Illiteracy	4228	21.21	482	13.33	118.91	< 0.05	4710	20.00
Primary school	8555	42.91	1204	33.29	116.93	< 0.05	9759	41.44
Middle school	5218	26.18	1099	30.38	27.64	< 0.05	6317	26.82
High school	1357	6.81	470	12.99	163.78	< 0.05	1827	7.76
College and above	577	2.89	362	10.01	404.75	< 0.05	939	3.99
Total	19935	100	3617	100			23552	100

^aIf theoretical frequency (T) in the table was between 1 and 5, correction for continuity (Yate’s correction) was performed with χ_c²

ISSN: 1471-2334