Table 1 Demographic characteristics and HIV-1 genotypes of the study participants

Total

295 (100.0)

52 (17.6)

46 (15.6)

183 (62.0)

14 (4.7)

Sex

 Male

202 (100.0)

31 (15.3)

38 (18.8)

122 (60.4)

11 (5.4)

 Female

93 (100.0)

21 (22.6)

8 (8.6)

61 (65.6)

3 (3.2)

Age

 15–29

60 (100.0)

13 (21.7)

13 (21.7)

30 (50.0)

4 (6.7)

 30–39

99 (100.0)

13 (13.1)

14 (14.1)

66 (66.7)

6 (6.1)

 40–49

77 (100.0)

13 (16.9)

10 (13.0)

52 (67.5)

2 (2.6)

 ≥ 50

59 (100.0)

13 (22)

9 (15.3)

35 (59.3)

2 (3.4)

Ethnicity

 Han

116 (100.0)

25 (21.6)

19 (16.4)

66 (56.9)

6 (5.2)

 Others

179 (100.0)

27 (15.1)

27 (15.1)

117 (65.4)

8 (4.5)

Registered residence

P u’er

253 (100.0)

40 (15.8)

40 (15.8)

164 (64.8)

9 (3.6)

 Other cities in Yunnan

17 (100.0)

3 (17.6)

3 (17.6)

10 (58.8)

1 (5.9)

 Other provinces

21 100.0)

9 (42.9)

3 (14.3)

6 (28.6)

3 (14.3)

 Foreign nationality

4 (100.0)

0

0

3 (75.0)

1 (25.0)

Marital status

 Unmarried

131 (100.0)

21 (16.0)

24 (18.3)

80 (61.1)

6 (4.6)

 Married

109 (100.0)

24 (22.0)

16 (14.7)

65 (59.6)

4 (3.7)

 Divorced/widowed

55 (100.0)

7 (12.7)

6 (10.9)

38 (69.1)

4 (7.3)

Education

 Illiteracy

37 (100.0)

7 ( 18.9)

3 (8.1)

25 (67.6)

2 (5.4)

 Primary school

123 (100.0)

21 (17.1)

14 (11.4)

81 (65.9)

7 (5.7)

 Junior middle school

100 (100.0)

19 (19.0)

16 (16.0)

63 (63.0)

2 (2.0)

 Senior middle school and above

35 (100.0)

5 (14.3)

13 (37.1)

14 (40.0)

3 (8.6)

Occupation

 Farmers

231 (100.0)

37 (16.0)

28 (12.1)

159 (68.8)

7 (3.0)

 Others

64 (100.0)

15 (23.4)

18 (28.1)

24 (37.5)

7 (10.9)

Infection route

 Heterosexual contact

247 (100.0)

46 (18.6)

33 (13.4)

157 (63.6)

11 (4.5)

 Homosexual contact

21 (100.0)

5 (23.8)

11 (52.4)

2 (9.5)

3 (14.3)

 Intravenous drug use

27 (100.0)

1 (3.7)

2 (7.4)

24 (88.9)

0