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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Sex Transm Dis. 2015 May;42(5):246–252. doi: 10.1097/OLQ.0000000000000264

Table 1.

Characteristics of Study Participants by Birth Gender

Total N=272 Male N=213 Female N=59 p-valuea
Demographic factors
Age in years [Mean (SD)] 21.5 (2.0) 21.6 (1.9) 21.2 (2.2) 0.19
Race/Ethnicity [N (%)]
    Non-Hispanic White 43 (15.8) 35 (16.4) 8 (13.6) 0.38
    Non-Hispanic Black/African American/Non-Hispanic, Other 174 (64.0) 130 (61.0) 44 (74.6)
    Hispanic 55 (20.2) 48 (22.5) 7 (11.9)
Marital status [N (%)]
    Single 209 (77.4) 170 (80.2) 39 (67.2) 0.0034
    Living with a steady partner 43 (15.9) 33 (15.6) 10 (17.2)
    Married 10 (3.7) 3 (1.4) 7 (12.1)
    Separated, divorced, widowed, or other 8 (3.0) 6 (2.8) 2 (3.4)
Sexual orientation [N (%)]
    Straight 72 (26.5) 22 (10.3) 50 (84.7) <.0001
    Gay/Bisexual/Other 200 (73.5) 191 (89.7) 9 (15.3)
HIV related factors
Age at HIV diagnosis [Mean (SD)] 19.3 (2.3) 19.5 (2.2) 18.6 (2.4) 0.0058
Length of time since HIV diagnosis [Mean (SD)] 1.9 (1.9) 1.8 (1.8) 2.4 (2.2) 0.035
Self-reported route of HIV infection [N (%)]
    Perinatal 1 (0.4) 1 (0.5) 0 (0.0) 0.09
    Sex with a man 241 (88.6) 189 (88.7) 52 (88.1)
    Sex with a woman 11 (4.0) 11 (5.2) 0 (0.0)
    Other/Don't know 19 (7.0) 12 (5.6) 7 (11.9)
CD4+ T cell count (cells/mm3) [Mean (SD)] 515.5 (252.1) 500.2 (240.0) 570.4 (286.9) 0.10
CD4+ T cell count (cells/mm3) [N (%)]
    < 350 70 (25.8) 56 (26.4) 14 (23.7) 0.74
    ≥ 350 201 (74.2) 156 (73.6) 45 (76.3)
Viral load (copies/mL) [Mean (SD)] 74528.6 (385987.7) 89689.1 (435026.3) 20053.5 (35044.8) 0.32
Viral load (copies/mL) [N (%)]
    < 400 101 (37.3) 80 (37.7) 21 (35.6) 0.88
    ≥ 400 170 (62.7) 132 (62.3) 38 (64.4)
Viral load (copies/mL) [N (%)]
    Detectable 208 (76.8) 164 (77.4) 44 (74.6) 0.73
    Non-detectable 63 (23.2) 48 (22.6) 15 (25.4)
HPV Vaccination Status [N (%)]
    Ever received HPV vaccine 101 (37.1) 71 (33.3) 30 (50.8) 0.015
    Completed one dose only 34 (12.5) 25 (11.7) 9 (15.3) 0.51
    Completed two doses only 32 (11.8) 23 (10.8) 9 (15.3) 0.36
    Completed three doses or more 35 (12.9) 23 (10.8) 12 (20.3) 0.076
a

P-value is derived from a two-sample t-test or Kruskal-Wallis test for continuous variables, and a Fisher's exact test with Monte Carlo estimations for categorical variables, comparing genders.