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. 2012 Aug 13;7(8):e42980. doi: 10.1371/journal.pone.0042980

Table 3. Baseline characteristics of participants at Thomas Street Health Center and the Veterans Affairs Medical Center in Houston, Texas (N = 489).

Characteristics
Age, years – mean (±SD) 48 (±11)
Gender – (%)
Male 71
Female 29
Race ethnicity – (%)
Non-Hispanic black 61
Non-Hispanic white 15
Hispanic 21
Other 3
Language preference – (%)
English 90
Spanish 10
Survey mode – (%)
Self-administered 85
Interviewer-administered 15
Education – (%)
Some high school or less 22
High school graduate or equivalent 35
Some college of higher 43
Relationship status – (%)
Married 14
In a relationship and not married 14
Single 71
Income – (%)
≤ $10K 54
> $10K and ≤ $30K 36
> $30K 10
Health status – (%)
Poor/fair 20
Good/very good 65
Excellent 15
Substance use in past year
Illegal or Rx drug abuse 19
EtOH screen, positive 42
Depression screen, positive 43
Self-efficacy a – mean (±SD) 3.1 (±0.6)
HIV provider visits in past 12 months – mean (±SD) 3.3 (±1.5)
Time enrolled in clinic, years – mean (±SD) 7.6 (±4.6)
HIV risk factor – (%)
IVDA 16
MSM, no IVDA 33
Heterosexual sex, no IVDA 50
Transfusion <1
CD4 cell count b – median (25th, 75th percentiles) 449 (276, 665)
HIV RNA <48 copies b – (%) 70

SD indicates standard deviation; IVDA intravenous drug abuse; MSM, men who have sex with men;

a

Scale 1–4, higher score indicates greater self-efficacy, Cronbach’s α = 0.79.

b

Value closest to date of survey completion, ±30 days; CD4 and HIV RNA values available for 84% of participants.