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Table 1 Demographic characteristics, drug use and sexual behaviors, and utilization of HIV-related prevention services among club drug users in Shandong Province, China

From: Syndemics of syphilis, HCV infection, and methamphetamine use along the east coast of China

Factors Participants Syphilis HCV Unprotected sex*
N=805 % n=77 % n=30 % N=211 %
Age (years; x ¯ ± SD ) 30 ± 9.1 32.1 ± 11.4 29.8 ± 10.1 29.9 ± 9.2
 ≥18 285 35.4 27 9.5 11 3.9 72 49.0
 25-35 281 34.9 20 7.1 11 3.9 62 44.9
 35-45 183 22.7 21 11.5 6 3.3 57 54.3
 ≥45 56 7.0 9 16.1 2 3.6 20 60.6
Gender         
 Male 662 82.2 52 7.9 26 3.9 176 37.6
 Female 143 17.8 25 17.5 4 2.8 35 53.3
Marital status         
 Single 225 28.0 21 9.3 9 4.0 67 47.2
 Married or cohabiting 565 70.2 52 9.2 20 3.5 139 51.5
 Divorced or widowed 15 1.8 4 26.7 1 6.7 5 45.5
Education         
 Middle school or lower 517 64.2 49 9.5 15 2.9 179 58.5
 High school or higher 288 35.8 28 9.7 15 5.2 32 27.4
Types of drugs #         
 Heroin 26 3.2 0 0.0 3 11.5 2 28.6
 Cocaine 1 0.1 0 0.0 0 0.0 1 100
 Opium 0 0 0 0.0 0 0.0 0 0
 Cannabis 4 0.5 0 0.0 0 0.0 1 33.3
 Morphine 1 0.1 0 0.0 0 0.0 0 0
 Methamphetamine 778 96.6 77 9.9 28 3.6 207 49.9
 Pethidine 0 0 0 0.0 0 0.0 0 0
 Ketamine 51 6.3 1 2.0 2 3.9 2 28.6
 MAMD 36 4.5 0 0.0 0 0.0 1 20.0
 Amphetamine 32 4.0 1 3.1 3 9.4 2 40.0
Multi-drug use (types)         
 <2 709 88.1 75 10.6 25 3.5 208 51.0
 ≥2 96 11.9 2 2.1 5 5.2 3 20.0
Had ever injected         
 Yes 92 11.4 8 8.7 9 9.8 11 44.0
 No 713 88.6 69 9.7 21 2.9 200 50.3
Had ever sex with regular sex partners in last year     
 Yes 558 98.8 49 8.8 20 3.6 138 51.9
 No 7 1.2 3 42.9 0 0.0 1 25.0
Condom use with regular sex partners in last year    
 Always 21 3.8 0 0.0 1 4.8 0 0
 Sometimes 120 21.5 6 5.0 2 1.7 4 11.4
 Never 417 74.7 43 10.3 17 4.1 134 58.8
Condom use with regular sex partners in last sex     
 Yes 41 7.3 1 2.4 1 2.4 0 0
 No 517 92.7 49 8.8 19 3.7 138 54.5
Had ever sex with commercial sex partners in last year    
 Yes 423 52.5 49 11.6 13 3.1 - -
 No 382 47.5 28 7.3 17 4.5 - -
Condom use with commercial sex partners in last year    
 Always 43 10.1 2 4.7 1 2.3 - -
 Sometimes 169 40.0 23 13.6 3 1.8 - -
 Never 211 49.9 24 11.4 3 1.4 - -
Condom use with commercial sex partners in last sex     
 Yes 105 24.8 6 5.7 3 2.9 - -
 No 318 75.2 43 13.5 4 1.3 - -
Ever received intervention        
 Yes 130 16.1 14 10.8 5 3.8 29 34.1
 No 675 83.9 63 9.3 25 3.7 182 53.8
Syphilis/HCV infection         
 Syphilis Positive 77 9.6 - - 11 14.3 24 56.2
 HCV Positive 30 3.7 11 36.7 - - 3 42.9
 Syphilis/HCV Negative 709 88.1 - - - - 186 26.2
HIV knowledge score         
 Score<6 267 33.2 31 11.6 7 2.6 155 72.1
 Score ≥ 6 538 66.8 46 8.6 23 4.3 56 26.9
  1. Subtotals do not add up to 100% for some variables because of missing values.
  2. *Unprotected sex means no condom use with commercial sex partners in the last year.
  3. #The factor of “types of drugs” was multi-choice variables, the percentages will not add up to 100%.