Table 1.
Sample description and site comparison of men who have sex with men from Boston, Pittsburgh, and San Juan, 2010–2012.
| Total (N=228) |
Boston (N=81) |
Pittsburgh (N=62) |
San Juan (N=85) |
||
|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | p1 | |
| Age | 23.1 (3.3) | 23.8 (3.4) | 22.7 (3.2) | 22.8 (3.2) | .070 |
| Education2 | 4.3 (1.1) | 4.3 (1.2) | 4.2 (1.0) | 4.3 (1.0) | .987 |
| Annual income | 14,249 (14,646) | 18,516 (15,198) | 16,123 (15,140) | 7,766 (11,097) | <.001 |
| Times tested for HIV | 5.7 (8.5) | 7.6 (12.8) | 4.5 (3.8) | 4.9 (4.9) | .044 |
| Median (Range) | Median (Range) | Median (Range) | Median (Range) | p1 | |
| Number of male partners, 3 mo.3 | 3 (1–70) | 3 (1–50) | 2.5 (1–20) | 4 (1–70) | .099 |
| Frequency of unprotected receptive anal sex, 3 mo.3 | 3 (0–160) | 3 (0–50) | 2 (0–78) | 3 (0–160) | .228 |
| Frequency of unprotected insertive anal sex, 3 mo.3 | 1 (0–150) | 1 (0–40) | 1 (0–35) | 2 (0–150) | .386 |
| %4 | %4 | %4 | %4 | p1 | |
| Race/Ethnicity | <.001 | ||||
| White | 41 | 58 | 74 | 1 | |
| Latino | 44 | 20 | 2 | 99 | |
| African American | 9 | 7 | 23 | 0 | |
| Other/mixed | 6 | 15 | 2 | 0 | |
| Sexual self-label | .252 | ||||
| Gay | 80 | 74 | 85 | 82 | |
| Bisexual | 20 | 25 | 15 | 18 | |
| Straight5 | 1 | 1 | 0 | 0 | |
| Currently employed | 61 | 57 | 73 | 57 | .099 |
| Currently student | 45 | 36 | 52 | 50 | .096 |
| Ever had an STD | 26 | 35 | 30 | 15 | .010 |
| Ever heard of PEP6 | 41 | 64 | 47 | 16 | <.001 |
| Ever heard of PrEP6 | 21 | 36 | 19 | 8 | <.001 |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | p1 | |
| How likely to use PEP7 | 9.1 (1.9) | 9.2 (1.5) | 9.4 (1.5) | 8.8 (2.4) | .121 |
| How likely to use PrEP7 | 7.7 (2.4) | 7.3 (2.4) | 7.7 (2.4) | 8.2 (2.5) | .065 |
1
p-values comparing 3 sites using ANOVAs for continuous and chi-square tests for categorical variables
2
Measured using a 7-point scale: 5=college graduate
3
Values log-transformed prior to ANOVA due to skewed distributions
4
Percents are of those with non-missing data
5
One straight identified man excluded from chi-square test
6
PEP = post-exposure prophylaxis; PrEP = pre-exposure prophylaxis
7
Measured on a 10-point scale: 10 = extremely likely