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Table 1 Characteristics of DC Cohort at enrollment, Washington DC, 1999–2014

From: Prevalence and trends in transmitted and acquired antiretroviral drug resistance, Washington, DC, 1999–2014

Characteristic at enrollmenta N (%)
All participants 6506 (100)
Age
 <18 17 (0.26)
 18–29 693 (10.65)
 30–39 1134 (17.43)
 40–49 1945 (29.90)
 50–59 1948 (29.94)
 60+ 769 (11.82)
Sex
 Female 1702 (26.16)
 Male 4804 (73.84)
Race/ethnicity
 Non-Hispanic black 4972 (76.42)
 Non-Hispanic white 904 (13.89)
 Hispanic 282 (4.33)
 Other 127 (1.95)
 Unknown 221 (3.40)
Transmission risk group
 Male-to-male sexual contact (MMS) 2515 (38.66)
 Heterosexual contact 1995 (30.66)
 Injection drug use (IDU) 458 (7.04)
 MMS/IDU 80 (1.23)
 Other 121 (1.86)
 Unknown/missing 1337 (20.55)
Insurance
 Public 4222 (64.89)
 Private 1767 (27.16)
 Other 131 (2.01)
 Unknown 386 (5.93)
Clinic type
 Hospital-based 3136 (48.20)
 Community-based 3370 (51.80)
Clinical status
 HIV 3798 (58.38)
 AIDS 2708 (41.62)
CD4 count (cells/µl)
 <50 158 (2.43)
 50–199 525 (8.07)
 200–349 938 (14.42)
 350–499 1285 (19.75)
 ≥500 3349 (51.48)
 Unknown 251 (3.86)
Viral load (copies/ml)
 0–399 4922 (75.65)
 400–999 186 (2.86)
 1000–9999 366 (5.63)
 10,000–49,999 362 (5.56)
 50,000–99,999 155 (2.38)
 ≥100,000 250 (3.84)
 Unknown 265 (4.07)
Alcohol use
 Current 915 (14.06)
 Previous 924 (14.20)
 Never 3038 (46.70)
 Unknown 1629 (25.04)
Recreational drug use
 Current 774 (11.90)
 Previous 1416 (21.76)
 Never 2147 (33.00)
 Unknown 2169 (33.34)
Intravenous drug use
 Current 45 (0.69)
 Previous 476 (7.32)
 Never 3132 (48.14)
 Unknown 2853 (43.85)
Characteristic at enrollmenta Median (IQR)
HIV diagnosis to consent (years) 9.3 (4.2–16.3)
HIV diagnosis to ART start (years) 1.2 (0.1–6.2)
ART start to consent (years) 3.6 (1.2–7.8)
  1. ART, antiretroviral treatment
  2. aClinical characteristics at enrollment do not correspond to resistance results, which are based on tests performed at other times