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Table 1 Participants’ socio-demographic characteristics, injection practices, and history of testing and utilization of prevention services (N = 149)

From: Perceived acceptability of and willingness to use syringe vending machines: results of a cross-sectional survey of out-of-service people who inject drugs in Tbilisi, Georgia

Variable N (%) 95% CI Mean (SD) Median (min–max)
Lower Upper
Age   40.45 43.97 42.2 (10.9) 42 (20–63)
Gender
 Male 148 (99) 95.3% 99.9%   
 Female 1 (1) .1% 4.7%   
Employment status
 Employed 39 (26) 19.7% 33.9%   
 Unemployed 109 (73) 65.4% 79.7%   
 Refused to answer 1 (1) .1% 4.7%   
Drugs injected, last 6 monthsa
 Buprenorphine 88 (59) 50.9% 66.7%   
 Heroin 124 (83) 76.3% 88.5%   
 Opium 15 (10) 6.1% 16.1%   
 Methadone 25 (17) 11.5% 23.7%   
 Other opioids 10 (7) 3.6% 12.1%   
 Home-made stimulants 41 (28) 20.9% 35.3%   
 Amphetamine/methamphetamine 30 (20) 14.4% 27.4%   
 Cocaine/crack 4 (3) 1.0% 7.0%   
 Antihistamines 1 (1) .1% 4.7%   
 Bio-amphetamine/bath salts 3 (2) .6% 6.1%   
 MDMA 1 (1) .1% 4.7%   
 Unknown substance 3 (2) .6% 6.1%   
Did you share injection equipment with others, last month
 Yes 23 (15) 10.4% 22.2%   
 No 125 (84) 77.0% 89.0%   
 Do not know/do not remember 1 (1) .1% 4.7%   
Age of first injection use   18.49 19.91 19.2 (4.4) 18 (13–37)
Years of regular injection use   12.89 16.08 14.5 (9.9) 14.0 (0.3–40)
Number of injections, last month   12.33 16.10 14.2 (11.7) 10 (1–60)
Total number of people drugs used with, last monthb   4.45 6.49 5.5 (6.3) 3 (0–40)
Number of people injection instruments shared with, last month   2.79 4.17 3.5 (1.6) 3 (1–7)
Overdose experience, lifetime, any drug 83 (56) 47.6% 63.6%   
Number of overdose episodes, lifetime   2.27 4.92 3.6 (6.0) 2 (1–50)
Where did you get syringes from, last month
 Pharmacy only 127 (85) 78.5% 90.1%   
 Friends only 4 (3) 1.0% 7.0%   
 Pharmacy and friends 18 (12) 7.7% 18.4%   
Ever used NSP services
 Never 126 (85) 77.8% 89.6%   
 Used earlier, more than 6 months ago 23 (15) 10.4% 22.2%   
  1. aSum exceeds 100% due to multi-drug use
  2. bDrug use in a group, does not necessarily implies sharing of equipment