Total | Those who shared needles | Univariate logistic regression | Multivariate logistic regression | |||
---|---|---|---|---|---|---|
n(%) | n(%) | OR (95 % CI) | P-valuea | OR (95 % CI) | P - value | |
Place of residence | 7.7E−25 | 1.9E−10 | ||||
Baoshan | 340(32.4) | 51(15.0) | Refb | Ref | ||
Zhaotong | 381(36.3) | 157(41.2) | 4.0(2.8–5.7) | 6.9E−14 | 3.6(2.4–5.7) | 3.8E−09 |
Qujing | 112(10.7) | 56(50.0) | 5.7(3.5–9.1) | 8.4E−13 | 5.9(3.4–10.3) | 2.7E−10 |
Dehong | 140(13.3) | 74(52.9) | 6.4(4.1–9.9) | 4.3E−16 | 3.0(1.7–5.2) | 1.2E−04 |
Lincang | 76(7.2) | 55(72.4) | 14.8(8.3–26.6) | 1.5E−19 | 4.9(2.3–10.1) | 2.5E−05 |
Gender | 5.4E−01 | |||||
Male | 1 018(97.0) | 383(37.6) | Ref | |||
Female | 31(3.0) | 10(32.3) | 0.8(0.4–1.7) | |||
Age | 3.5E−01 | |||||
13–25 | 200(19.1) | 71(35.5) | Ref | |||
26–30 | 321(30.6) | 116(36.1) | 1.0(0.7–1.5) | 8.8E−01 | ||
31–35 | 284(27.1) | 119(41.9) | 1.3(0.9–1.9) | 1.6E−01 | ||
36–68 | 244(23.3) | 87(35.7) | 1.0(0.7–1.5) | 9.7E−01 | ||
Ethnicity | 3.1E−03 | |||||
Han | 852(81.2) | 301(35.3) | Ref | |||
Minorityc | 197(18.8) | 92(46.7) | 1.6(1.2–2.2) | |||
Occupation | 1.6E−02 | |||||
Various jobsd | 226(21.5) | 67(29.6) | Ref | |||
Farmer | 362(34.5) | 137(37.8) | 1.4(1.0–2.1) | 4.3E−02 | ||
Jobless | 461(43.9) | 189(41.0) | 1.6(1.2–2.3) | 4.0E−03 | ||
Marital status | 2.3E−01 | |||||
Unmarried | 485(46.2) | 197(40.6) | Ref | |||
Married | 387(36.9) | 131(33.9) | 0.7(0.6–1.0) | 4.1E−02 | ||
Cohabitated | 62(5.9) | 22(35.5) | 0.8(0.5–1.4) | 4.4E−01 | ||
Divorced or widowed | 115(11.0) | 43(37.4) | 0.9(0.6–1.3) | 5.3E−01 | ||
Education | 8.9E−04 | |||||
None | 67(6.4) | 38(56.7) | Ref | |||
1–5 years | 348(33.2) | 143(41.1) | 0.5(0.3–0.9) | 1.9E−02 | ||
6–9 years | 488(46.5) | 165(33.8) | 0.4(0.2–0.7) | 3.7E−04 | ||
> 10 years | 146(13.9) | 47(32.2) | 0.4(0.2–0.7) | 8.3E−04 | ||
Drug of choice | 6.4E−01 | |||||
Heroin | 1 010(96.3) | 377(37.3) | Ref | |||
Heroin + otherse | 39(3.7) | 16(41.0) | 1.2(0.6–2.2) | |||
Other drug use | 5.9E−12 | 2.1E−04 | ||||
No | 221(21.1) | 46(20.8) | Ref | Ref | ||
Diazepam | 450(42.9) | 168(37.3) | 2.3(1.6–3.3) | 2.1E−05 | 1.6(1.0–2.6) | 4.1E−02 |
Diazepam + othersf | 325(31.0) | 167(51.4) | 4.0(2.7–5.9) | 3.0E−12 | 2.7(1.6–4.3) | 1.0E−04 |
Otherf | 53(5.1) | 12(22.6) | 1.1(0.5–2.3) | 7.7E−01 | 0.9(0.4–2.2) | 8.0E−01 |
Method of drug intake | 3.2E−02 | |||||
Injection | 496(47.3) | 169(34.1) | Ref | |||
Injection + oral | 553(52.7) | 224(40.5) | 1.3(1.0–1.7) | |||
Duration of drug abuse | 2.4E−07 | |||||
< 5 years | 324(30.9) | 85(26.2) | Ref | |||
6–10 years | 281(26.8) | 102(36.3) | 1.6(1.1–2.3) | 7.7E−03 | ||
11–15 years | 281(26.8) | 124(44.1) | 2.2(1.6–3.1) | 4.7E−06 | ||
16–20 years | 163(15.5) | 82(50.3) | 2.8(1.9–4.2) | 2.0E−07 | ||
Drug use frequency (per day) | 8.3E−05 | |||||
< 1 | 99(9.4) | 17(17.2) | Ref | |||
2 | 334(31.8) | 118(35.3) | 2.6(1.5–4.7) | 8.4E−04 | ||
3 | 390(37.2) | 164(42.1) | 3.5(2.0–6.1) | 1.1E−05 | ||
> 4 | 226(21.5) | 94(41.6) | 3.4(1.9–6.2) | 3.6E−05 | ||
Most recent drug use | 3.0E−02 | |||||
< 1 year | 624(59.5) | 225(36.1) | Ref | |||
1 year | 336(32.0) | 123(36.6) | 1.0(0.8–1.3) | 8.7E−01 | ||
> 2 years | 89(8.5) | 45(50.6) | 1.8(1.2–2.8) | 9.0E−03 | ||
Duration of drug use (injection) | 7.7E−13 | 5.3E−04 | ||||
< 5 years | 499(47.6) | 129(25.9) | Ref | Ref | ||
6–10 years | 464(44.2) | 216(46.6) | 2.5(1.9–3.3) | 3.5E−11 | 1.7(1.2–2.4) | 1.2E−03 |
> 11 years | 86(8.2) | 48(55.8) | 3.6(2.3–5.8) | 8.2E−08 | 2.6(1.4–4.8) | 2.0E−03 |
Source of syringe | 8.8E−06 | |||||
Clinic | 145(13.8) | 26(17.9) | Ref | |||
Hospital | 123(11.7) | 51(41.5) | 3.2(1.9–5.7) | 3.3E−05 | ||
Drugstore | 692(66.0) | 276(39.9) | 3.0(1.9–4.8) | 1.4E−06 | ||
Otherg | 89(8.5) | 40(44.9) | 3.7(2.1–6.8) | 1.4E−05 | ||
Average reuse times per needle | 1.6E−23 | 5.0E−14 | ||||
1 | 638(60.8) | 164(25.7) | Ref | Ref | ||
2 | 277(26.4) | 134(48.4) | 2.7(2.0–3.6) | 3.6E−11 | 2.3(1.6–3.2) | 3.3E−06 |
> 3 | 134(12.8) | 95(70.9) | 7.0(4.7–10.6) | 2.0E−20 | 6.1(3.8–10.0) | 2.1E−13 |
Number of sexual partners | 2.1E−01 | |||||
None | 121(11.5) | 45(37.2) | Ref | |||
1 | 312(29.7) | 103(33.0) | 0.8(0.5–1.3) | 4.1E−01 | ||
2–3 | 285(27.2) | 110(38.6) | 1.1(0.7–1.6) | 7.9E−01 | ||
4–6 | 152(14.5) | 56(36.8) | 1.0(0.6–1.6) | 9.5E−01 | ||
7–10 | 59(5.6) | 23(39.0) | 1.1(0.6–2.0) | 8.2E−01 | ||
> 11 | 120(11.4) | 56(46.7) | 1.5(0.9–2.5) | 1.4E−01 | ||
STD diagnosis | 7.6E−07 | |||||
No | 867(82.7) | 295(34.0) | Ref | |||
Yes | 182(17.3) | 98(53.8) | 2.3(1.6–3.1) | |||
HIV serostatus | 9.9E−24 | 1.3E−06 | ||||
Negative | 853(81.3) | 254(29.8) | Ref | Ref | ||
Positive | 196(18.7) | 139(70.9) | 5.8(4.1–8.1) | 3.1(2.0–4.9) | ||
Diagnosis of other infectious diseaseh | 3.3E−12 | 1.3E−04 | ||||
No | 718(68.4) | 219(30.5) | Ref | Ref | ||
Yes | 160(15.3) | 97(60.6) | 3.5(2.5–5.0) | 4.1E−12 | 2.5(1.6–3.8) | 2.6E−05 |
Unknown | 171(16.3) | 77(45.0) | 1.9(1.3–2.6) | 3.3E−4 | 1.3(0.9–2.0) | 1.8E−01 |