Table 1 Characteristics of study participants between three groups with different HIV-1 genotypes

Overall

1006(100)

339(100)

409(100)

69(100)

54(100)

50(100)

85(100)

Gender

Male

868(86.3)

298(87.9)

366(89.5)

50(72.5)

42(77.8)

47(94.0)

65(76.5)

25.799

< 0.001

Female

138(13.7)

41(12.1)

43(10.5)

19(27.5)

12(22.2)

3(6.0)

20(23.5)

Age (years)

< 25

139(13.8)

50(14.7)

63(15.4)

5(7.2)

3(5.6)

7(14.0)

11(12.9)

51.906

< 0.001

25~

356(35.4)

130(38.3)

149(36.4)

14(20.3)

20(37.0)

25(50.0)

18(21.2)

40~

354(35.2)

110(32.4)

139(34.0)

26(37.7)

24(44.4)

18(36.0)

37(43.5)

≥ 60

157(15.6)

49(14.5)

58(14.2)

24(34.8)

7(13.0)

0(0)

19(22.4)

Marital status

Single

377(37.5)

135(39.8)

166(40.6)

16(23.2)

16(29.6)

20(40.0)

24(28.2)

17.299

0.068

Married

431(42.8)

139(41.0)

160(39.1)

35(50.7)

28(51.9)

24(48.0)

45(52.9)

Divorce or death

198(19.7)

65(19.2)

83(20.3)

18(26.1)

10(18.5)

6(12.0)

16(18.8)

Education level

Middle school or less

622(61.8)

208(61.4)

242(59.2)

57(82.6)

35(64.8)

22(44.0)

58(68.2)

22.299

< 0.001

High school or above

384(38.2)

131(38.6)

167(40.8)

12(17.4)

19(35.2)

28(56.0)

27(31.8)

Nationality

Han

964(95.8)

329(97.1)

392(95.8)

64(92.8)

51(94.4)

47(94.0)

81(95.3)

4.534

0.450

Others

42(4.2)

10(2.9)

17(4.2)

5(7.2)

3(5.6)

3(6.0)

4(4.7)

Location

Local

438(43.5)

153(45.1)

167(40.8)

36(52.2)

27(50.0)

19(38.0)

36(42.4)

5.253

0.386

Non local

568(56.5)

186(54.9)

242(59.2)

33(47.8)

27(50.0)

31(62.0)

49(57.6)

Route of infection

Heterosexual transmission

532(52.7)

185(54.6)

193(47.2)

56(81.2)

33(61.1)

17(34.0)

48(56.5)

42.681

< 0.001

Homosexual transmission

470(46.7)

152(44.8)

215(52.6)

13(18.8)

20(37.0)

33(66.0)

37(43.5)

Others

4(0.6)

2(0.6)

1(0.2)

0(0)

1(1.9)

0(0)

0(0)

Number of sexual partners in a life time

<6

800(79.5)

270(79.6)

327(80.0)

52(75.4)

44(81.5)

37(74.0)

70(82.4)

4.921

0.896

6 ~ 10

130(12.9)

45(13.3)

50(12.2)

9(13.0)

6(11.1)

10(20.0)

10(11.8)

≥11

76(7.6)

24(7.1)

32(7.8)

8(11.6)

4(7.4)

3(6.0)

5(5.9)

CD4,cell/ul

< 200

379(37.7)

147(43.4)

138(33.7)

25(36.2)

19(35.2)

14(28.0)

36(42.4)

19.400

0.035

200~

525(52.2)

161(47.5)

236(57.7)

32(46.4)

30(55.6)

29(58.0)

37(43.5)

≥ 500

102(10.1)

31(9.1)

35(8.6)

12(17.4)

5(9.3)

7(14.0)

12(14.1)

Transmitted drug resistance

Sensitive

945(93.9)

313(92.3)

399(97.6)

57(82.6)

49(90.7)

47(94.0)

80(94.1)

25.686

< 0.001

Resistance

61(6.1)

26(7.7)

10(2.4)

12(17.4)

5(9.3)

3(6.0)

5(5.9)