Factors

Participants who injected drugs in last 3 months

Unadjusted OR (95% CI)

P- value

Adjusted OR (95% CI)

P-
value

N (%)

Age

 

10 (20.8)

 

0.04

 

 

≤20 years old

1

 

 

 

>20 years old

163 (35.8)

2.1 (1.0, 4.4)

 

 

 

Sex

 

53 (27.2)

 

<0.01

 

<0.01

Female

1

 

1

 

Male

120 (38.8)

1.7 ( 1.2, 2.5)

 

1.9 (1.2, 3.2)

 

Ethnicity

 

 

<0.01

 

 

Han majority

104 (44.6)

1

 

 

 

Yi orother minorities

69 (25.5)

0.4 (0.3, 0.6)

 

 

 

Year of schooling

 

 

<0.01

 

 

≤6 years

72 (26.7)

1

 

 

 

>6 years

101(43.2)

2.0 (1.4, 3.0)

 

 

 

Currently employed

 

 

 

0.11

 

 

No

119 (32.3)

1

 

 

 

Yes

54 (40.0)

1.4 (0.9, 2.1)

 

 

 

Marital status

 

 

0.03

 

 

Currently married

42 (27.3)

1

 

 

 

Other

131 (37.4)

1.6 (1.1, 2.4)

 

 

 

Personal annual income (US $)

 

 

<0.01

 

 

≤1400

66 (26.9)

1

 

 

 

>1400

107 (41.3)

1.9 (1.3, 2.8)

 

 

 

Duration of drug use

 

 

<0.01

 

 

< 6.0 years

74 (25.4)

1

 

 

 

≥6.0 years

99 (46.5)

2.5 (1.7, 3.7)

 

 

 

Primary partner ever used drugs

 

 

<0.01

 

<0.01

No

138 (31.2)

1

 

1

 

Yes

35 (57.4)

3.0 (1.7, 5.1)

 

3.3 (1.7, 6.5)

 

Frequency of orally using heroin in last 3 months

 

 

<0.01

 

<0.01

<7 times/week

91 (51.4)

1

 

1

 

≥7 times/week

82 (25.1)

0.3 (0.2, 0.5)

 

0.3 (0.2, 0.5)

 

Currently participating in MMT

 

 

0.97

 

 

No

164 (34.3)

1

 

 

 

Yes

9 (34.6)

1.0 (0.4, 2.3)

 

 

 

Ever had HIV test

 

 

<0.01

 

 

No

58 (25.6)

1

 

 

 

Yes

115 (41.5)

2.1 (1.4, 3.0)

 

 

 

Had unprotected sex with a primary sex partner in last 30 days

 

 

<0.01

 

 

No

84 (28.9)

1

 

 

 

Yes

89 (41.8)

1.8 (1.2, 2.6)

 

 

 

Had unprotected sex with non-primary sex partners in last 30 days

 

 

<0.01

 

<0.01

No

 

1

 

1

 

Yes

55 (57.3)

3.3 (2.1, 5.2)

 

2.7 (1.6, 4.6)

 

Paid money for sex or exchanged sex for money in last 6 months

 

 

<0.01

 

 

No

127 (30.2)

1

 

 

 

Yes

46 (55.4)

2.9 (1.8, 4.7)

 

 

 

Ever had more than  one episode of detoxification

 

 

<0.01

 

<0.01

No

50 (20.1)

1

 

1

 

Yes

123 (48.2)

3.7 (2.5, 5.5)

 

3.7 (2.3, 6.0)

 

Ever participated in HIV prevention program

 

 

<0.01

 

0.06

No

68 (24.5)

1

 

1

 

Yes

105 (46.5)

2.7 (1.8, 3.9)

 

1.6 (1.0, 2.5)

 

OR: Odds ratio; CI: confidence interval.
Table 2: Factors associated with recent risky drug use behavior among drug users in Sichuan Province, China.