Table 1.

Characteristics of study participants receiving an HIV test in the NC prison system, 2010–2011 (n=871)

	%a	Lower 95% CI	Upper 95% CI
Race/ethnicity
White	43.1	39.8	46.3
Black	46.8	43.5	50.2
Other	10.1	8.1	12.1
Age
18–24b	23.8	21.0	26.7
25–31	25.2	22.3	28.2
32–40	25.7	22.8	28.6
41–64	25.2	22.3	28.2
Gender
Female	13.4	11.2	15.7
Male	86.6	84.3	88.8
Sexual identity
Men who have sex with women	85.8	83.3	88.2
Men who have sex with men	0.9	0.2	1.6
Men who have sex with men and women	0.6	0.1	1.2
Women who have sex with men	11.0	11.0	13.2
Women who have sex with women	0.4	0.0	0.8
Women who have sex with men and womenc	1.3	0.5	2.1
Education
<High school	37.8	34.6	41.1
High school or GED	38.3	35.0	41.6
>High schoolb	23.9	21.0	26.7
Prison facilityd
F1	4.9	3.5	6.4
F2	8.5	6.6	10.3
M1	5.9	4.3	7.4
M2	22.8	20.1	25.6
M3	28.2	25.3	31.2
M4	20.2	17.5	22.9
M5	9.4	7.5	11.4
Previously incarceratedb	83.1	80.6	85.6
Time ever in prisone
<1 year	55.3	51.7	59.0
≥1 year	44.7	41.0	48.3
Ever received an HIV test prior to incarcerationb	81.5	78.9	84.1
Binge alcohol usef
Every day	13.0	10.7	15.2
2–6 times per week	23.6	20.8	26.4
<2–6 times per weekb	63.4	60.2	66.6
Substance usef
Marijuanab	57.1	53.8	60.5
Crack or cocaine	27.8	24.8	30.8
Methamphetamineb	6.9	5.2	8.6
Heroinb	6.1	4.5	7.7
Past STI diagnosis	18.7	16.1	21.3
Mental illness
Depression	26.9	24.0	29.9
Anxietyb	24.1	21.3	27.0
Sexual riskf
Unprotected vaginal or anal intercourseg	71.1	67.9	74.3
Received sex in exchange for money, drugs, food, or shelterb	7.7	5.9	9.5
Gave sex in exchange for money, drugs, food, or shelterb	7.9	6.1	9.7
Had multiple sexual partnersb	35.4	32.2	38.6
Thought HIV testing in the prison was mandatory	55.5	52.2	58.8
Attended the HIV course	63.8	60.6	67.0
	Mean score	Lower	Upper
		95% CI	95% CI
HIV knowledgeh	16.9	16.6	17.2
Cognitive distancingi	6.81	6.55	7.08
Support for mandatory disclosure to correctional officersj	1.77	1.69	1.85
Support for mandatory disclosure to inmatesj	2.04	1.96	2.11

^a% represents non-missing data

^b<3% missing

^c97 (11.1%) missing

^dPrison facilities are the NC state prison system’s seven intake centers that predominantly house adults; F1–F2 house female inmates, and M1–M5 house male inmates

^e157 (18%) missing

^fIn the 3 months prior to this incarceration

^g92 (10.6%) missing

^h22-item HIV knowledge scale. Scores could range from 0–22, with higher scores indicating higher HIV knowledge (1).

ⁱ5-item cognitive distancing scale. Scores could range from 0–15, with higher scores indicating higher cognitive distancing (2). 51 (5.8%) missing.

^j4-point support for mandatory disclosure scale. Scores could range from 0–3, with higher scores indicating stronger agreement.