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Table 2 Sociodemographic characteristics, drug injection-related and sexual behaviors by awareness of HIV infection at first participation (Aristotle, 2012–2013, N = 506 HIV-positive People Who Inject Drugs)

From: High-risk behaviors and their association with awareness of HIV status among participants of a large-scale prevention intervention in Athens, Greece

Variable Awareness of HIV infection   
Aware
(N = 127)
Unaware
(N = 379)
Overall p-value*
N (%) N (%) N (%)  
Gender     < 0.001
 Male 87 (68.5) 332 (87.6) 419 (82.8)  
 Female 40 (31.5) 47 (12.4) 87 (17.2)  
Median age in years (interquartile range) 34.1 (29.3, 38.5) 32.7 (28.5, 38.3) 33.1 (28.9, 38.3) 0.223
Origin     0.012
 Other 16 (12.6) 87 (23.0) 103 (20.4)  
 Greek 111 (87.4) 292 (77.0) 403 (79.6)  
Ever participated in OMT     < 0.001
 No 61 (48.4) 306 (82.0) 367 (73.5)  
 Yes 65 (51.6) 67 (18.0) 132 (26.5)  
Ever been in prison     0.057
 No 40 (31.5) 155 (41.0) 195 (38.6)  
 Yes 87 (68.5) 223 (59.0) 310 (61.4)  
Main substance of use     0.138
 Heroin 85 (67.5) 287 (76.5) 372 (74.3)  
 Cocaine 31 (24.6) 58 (15.5) 89 (17.8)  
 Buprenorphine 0 (0.0) 2 (0.5) 2 (0.4)  
 Sisha/Methamph 0 (0.0) 2 (0.5) 2 (0.4)  
 Speedball 10 (7.9) 26 (6.9) 36 (7.2)  
Frequency of injecting drugs in past 12 months     0.035
 More than once a day 55 (43.3) 211 (55.7) 266 (52.6)  
 Once a day 11 (8.7) 24 (6.3) 35 (6.9)  
 More than once a week 22 (17.3) 73 (19.3) 95 (18.8)  
 More than once a month 15 (11.8) 31 (8.2) 46 (9.1)  
 Less than once a month 24 (18.9) 40 (10.6) 64 (12.6)  
Receptive syringe sharing on last injection     0.889
 No 83 (74.8) 249 (74.1) 332 (74.3)  
 Yes 28 (25.2) 87 (25.9) 115 (25.7)  
Receptive syringe sharing in past 12 months     0.741
 Never 66 (52.4) 190 (50.7) 256 (51.1)  
 Rarely 40 (31.7) 131 (34.9) 171 (34.1)  
 About half the times 10 (7.9) 33 (8.8) 43 (8.6)  
 Most of the times, Always 10 (7.9) 21 (5.6) 31 (6.2)  
Dividing drugs with a syringe someone else had used before about half of the times or more in the past 12 months     0.112
 No 54 (42.5) 192 (50.7) 246 (48.6)  
 Yes 73 (57.5) 187 (49.3) 260 (51.4)  
Condom use for males     0.719
 Never/Usually no 32 (28.8) 57 (30.8) 89 (30.1)  
 Always/Usually yes 79 (71.2) 128 (69.2) 207 (69.9)  
Condom use for females     0.022
 Never/Usually no 10 (19.6) 13 (43.3) 23 (28.4)  
 Always/Usually yes 41 (80.4) 17 (56.7) 58 (71.6)  
  1. OMT opioid maintenance treatment
  2. *for the comparison between participants who were aware and unaware of their infection