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Table 1 Socio-demographic characteristics of HIV-positive and HIV-negative PWID

From: Prevalence and risk factors of HIV infection among people who inject drugs in Cambodia: findings from a national survey

  Total (n = 310) HIV test result
Positive (n = 47) Negative (n = 263)
n (%) n (%) n (%) P-value*
Living in an urban community 284 (91.6) 46 (97.9) 238 (90.5) 0.15
Female gender 83 (26.8) 18 (38.3) 65 (24.7) 0.07
Age group 0.001
 18–24 59 (19.1) 1 (2.1) 58 (22.1)  
 25–34 130 (42.1) 19 (40.4) 111 (42.4)  
  ≥ 35 120 (38.8) 27 (57.4) 93 (35.5)  
Ethnicity 0.23
 Khmer 244 (79.0) 34 (72.3) 210 (80.2)  
 Vietnam 65 (21.0) 13 (27.7) 52 (19.8)  
Current marital status 0.008
 Never married 125 (40.3) 12 (25.5) 113 (43.0)  
 Married 126 (40.6) 19 (40.4) 107 (40.7)  
 Widowed/divorced/separated 59 (19.0) 16 (34.0) 43 (16.3)  
Level of formal education completed 0.03
 Primary (0–6 years) 174 (56.1) 34 (72.3) 140 (53.2)  
 Secondary school (7–9 years) 75 (24.2) 9 (19.1) 66 (25.1)  
 High school or higher (≥10 years) 61 (19.7) 4 (8.5) 57 (21.7)  
Living arrangement 0.003
 In the street (homeless) 84 (27.1) 21 (44.7) 63 (24.0)  
 With family or relatives 122 (39.4) 11 (23.4) 111 (42.2)  
 In own dwelling 60 (19.4) 5 (10.6) 55 (20.9)  
 With friends 15 (4.8) 5 (10.6) 10 (3.8)  
 Other 29 (9.4) 5 (10.6) 24 (9.1)  
Main occupation 0.74
 Unemployed 39 (12.6) 5 (10.6) 34 (12.9)  
 Entertainment worker 32 (10.3) 3 (6.4) 29 (11.0)  
 Office worker 79 (25.5) 15 (31.9) 64 (24.3)  
 Laborer/farmer 116 (37.4) 17 (36.2) 99 (37.6)  
 Other 44 (14.2) 7 (14.9) 37 (14.1)  
Average monthly income in the past 6 months (US$) 0.009
  < 100 112 (36.2) 22 (46.8) 90 (34.4)  
 100–199 131 (42.4) 22 (46.8) 109 (41.6)  
  ≥ 200 66 (21.4) 3 (6.4) 63 (24.0)  
  1. Abbreviations: HIV human immunodeficiency virus, PWID people who inject drugs
  2. *Chi-square (or Fisher’s exact test when a cell count was smaller than 5) was used