Characteristics of MSM seeking HIV testing in publicly funded programmes or newly diagnosed with HIV in King County, Washington
| Characteristic | Median (IQR) or n (%) | ||
| STD Clinic | GCHP | Surveillance* | |
| N | 14 385 | 9851 | 1031 |
| Time period | 1 January 2003 to 6 October 2010 | 2 February 2004 to 6 October 2010 | 1 January 2004 to 6 October 2010 |
| Age (years) | 32 (25–41) | 32 (25–40) | 35 (27–42) |
| Race† | |||
| White | 10 619 (80%) | 7089 (79%) | 727 (71%) |
| Black | 979 (7%) | 401 (4%) | 85 (8%) |
| Asian | 955 (7%) | 729 (8%) | 47 (5%) |
| Hawaiian Native/Pacific Islander | 180 (1%) | 97 (1%) | 6 (0.6%) |
| Native American/Alaskan Native | 162 (1%) | 56 (0.6%) | 5 (0.5%) |
| Multiracial | 389 (3%) | 566 (6%) | 35 (3%) |
| Hispanic/Latino† ‡ | 1511 (11%) | 1225 (13%) | 126 (12%) |
| Sex with men and women, last year (vs men only) | 2328 (16%) | 1030 (10%) | NA |
| ≥10 male sex partners, last year | 4505 (33%) | 2423 (26%) | NA |
| Non-concordant UAI, last year | 4148 (29%) | 2022 (21%) | NA |
| History of STI§ | 5921 (41%) | 1263 (26%) | NA |
| Methamphetamine use, last year | 1161 (8%) | 544 (6%) | NA |
| Inhaled nitrite use, last year | 2038 (14%) | 1908 (19%) | NA |
| Injection drug use¶ | 388 (3%) | 86 (0.9%) | 111 (11%) |
| Newly HIV diagnosed | 357 (2.5%) | 154 (1.6%) | 1031 (100%) |
↵* Data from Public Health—Seattle & King County (PHSKC) core HIV/AIDS surveillance and HIV incidence surveillance.
↵† Surveillance data report race and Hispanic/Latino ethnicity as a single characteristic.
↵‡ Any race.
↵§ At GCHP, history of STI was only collected from 2008 to 2010.
↵¶ Reported any injection drug use in the last year (STD Clinic and GCHP) or MSM/injection drug use reported as mode of transmission (surveillance).
GCHP, Gay City Health Project; MSM, men who have sex with men; STI, sexually transmitted infection (syphilis, gonorrhoea or chlamydial infection); UAI, unprotected anal intercourse.