Table 1. Demographic characteristics and HCV subtypes of study subjects.

		Subjects	Subtypes							χ2	P
			1a	1b	3a	3b	6a	6n	6u
Total		293	24	31	64	111	15	41	7
Prefecture										<0.001	<0.001
	Dehong	65	14	0	3	27	1	15	5
	Lincang	44	6	5	7	23	0	3	0
	Dali	41	4	5	10	11	0	10	1
	Kunming	41	0	4	14	14	2	6	1
	Honghe	57	0	14	11	22	5	5	0
	Wenshan	45	0	3	19	14	7	2	0
Gender										6.335	0.345
	Male	258	23	28	53	101	12	34	7
	Female	35	1	3	11	10	3	7	0
Age										7.907	0.242
	≤35	155	18	18	29	57	6	23	4
	≥36	138	6	13	35	54	9	18	3
Marital Status										11.072	0.523 a
	Unmarried	132	11	15	24	54	9	16	3
	Married	102	9	11	29	31	2	16	4
	Divoiced/Widowed	51	4	5	10	21	4	7	0
	Unknown	8	0	0	1	5	0	2	0
Race/Ethnicity										22.678	0.001
	Han	187	12	23	49	73	8	22	0
	Others	106	12	8	15	38	7	19	7
Nationality										51.783	<0.001
	Chinese	246	11	31	63	92	15	31	3
	Burmese	47	13	0	1	19	0	10	4

a Compared the constitutions of subtypes among Unmarried, Married and Divoiced/Widowed.