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. Author manuscript; available in PMC: 2015 Jul 2.
Published in final edited form as: Ann Epidemiol. 2010 Oct;20(10):734–742. doi: 10.1016/j.annepidem.2010.05.001

TABLE 1.

Demographics of participants in the University of North Carolina Clinical Cohort Study and the Clinical and Socio-Demographic Survey, North Carolina, 2000–2008. Values are based on the medical record unless otherwise indicated.1

Characteristic Clinical Research Database N=2,047 NC HIV/AIDS Reporting System N=1,652 CSDS N=322

N % N % N %
Gender and sexual preference
 Female 648 (31.7) 556 (33.7) 109 (36.2)
 Heterosexual male 632 (30.9) 525 (31.8) 86 (28.6)
 MSM 767 (37.5) 571 (34.6) 106 (35.2)
Race
 Black, non-Hispanic 1206 (59.0) 1038 (62.9) 217 (72.1)
 White, non-Hispanic 663 (32.4) 469 (28.4) 73 (24.3)
 Hispanic 98 (4.8) 83 (5.0) 4 (1.3)
 Native American 37 (1.8) 33 (2.0) 6 (2.0)
 Asian 2 (0.1) 0 (0.0) 0 (0.0)
 Other 38 (1.9) 28 (1.7) 1 (0.3)
Year of diagnosis2
 1985–1989 194 (9.7) 53 (3.2) 40 (12.4)
 1990–1994 477 (23.8) 358 (21.7) 98 (30.4)
 1995–1999 632 (31.5) 556 (33.7) 125 (38.8)
 2000–2004 513 (25.6) 487 (29.5) 56 (17.4)
 2005–2007 188 (9.4) 198 (12.0) 3 (0.9)
Age at diagnosis2
 <18 24 (1.2) 13 (0.8) 3 (0.9)
 18–24 366 (18.3) 272 (16.5) 35 (10.9)
 25–34 669 (33.4) 515 (31.2) 130 (40.4)
 35–44 568 (28.3) 500 (30.3) 109 (33.9)
 45–54 317 (15.8) 295 (17.9) 35 (10.9)
 ≥55 60 (3.0) 57 (3.5) 10 (3.1)
Age at study consent2
 18–24 143 (7.0) 7 (2.2)
 25–34 397 (19.4) N/A 53 (16.5)
 35–44 753 (36.8) 133 (41.3)
 45–54 626 (30.6) 109 (33.9)
 ≥55 128 (6.3) 20 (6.2)
History of IDU
 Yes 298 (14.6) 253 (15.3) 73 (24.3)
 No/Unknown 1,749 (85.4) 1399 (84.7) 228 (75.7)
Health Insurance
 None 663 (33.0) 564 (34.8) 81 (27.0)
 Public 664 (33.1) 539 (33.3) 133 (44.3)
 Private 539 (26.8) 405 (25.0) 58 (19.3)
 Other 142 (7.1) 113 (7.0) 28 (9.3)
1

Numbers may not sum to column totals due to missing data.

2

Based on date of diagnosis recorded in each data source.