Factors

Participants who had multiple sex partners in the last 30 days

Unadjusted OR
(95% CI)

P- value

Adjusted OR (95% CI)

P- value

N (%)

Sex

0.07

0.38

Female

34 (17.4)

1

1

Male

75 (24.3)

1.5 (1.0, 2.4)

1.2 (0.8 , 2.0)

Age

<0.01

≤35 years old

96(24.9)

1

>35 years old

13(10.9)

0.4 (0.2, 0.7)

Ethnicity

0.15

Han majority

57 (24.5)

Yi or other minorities

52 (19.2)

0.7 (0.5, 1.1)

Year of schooling

0.04

≤6 years

49 (18.2)

1

> 6 years

60 (25.6)

1.6 (1.0, 2.4)

Currently employed

0.96

No

29 (21.5)

1

Yes

80 (21.7)

1.0 (0.6, 1.6)

Marital status

0.03

0.05

Currently married

24 (15.6)

1

1

Other

85 (24.3)

1.7 (1.1, 2.9)

1.7(1.0, 2.9)

Personal annual income (US $)

<0.01

0.02

≤1400

39 (15.9)

1

1

>1400

70 (27.0 )

2.0 (1.3, 3.0)

1.8 (1.1, 2.8)

Duration of drug use

0.03

< 6 years

53 (18.2)

1

≥6 years

56 (26.3)

1.6 (1.0, 2.5)

Frequency of orally using heroin in last 3 months

<0.01

0.01

<7 times/week

52 (29.4)

1

1

≥7 times/week

57 (17.4)

0.5 (0.3, 0.8)

0.6 (0.4, 0.9)

Ever had STI diagnosis

<0.01

<0.01

No

76(17.3)

1

1

Yes

33 (50.0 )

4.8 (2.8, 8.2)

3.7 (2.1, 6.6)

Ever had HIV test

0.05

No

40 (17.6)

1

Yes

69 (24.9)

1.6 (1.0, 2.4)

Ever participated in HIV prevention program

0.02

No

49 (17.6)

1

Yes

60 (26.6)

1.7 (1.1, 2.6)