Table 2.
Demographic characteristics of DC Cohort and non-DC cohort participants living in DC as of December 2017 (n=12,964).
| Characteristic | DCa cohort n=5193 n (%) | non-DC cohortb n=7771 n (%) | P value | |||
| Gender identity |
|
|
<.001 | |||
|
|
Male | 3533 (68.0) | 5818 (74.9) |
|
||
|
|
Female | 1580 (30.4) | 1816 (23.4) |
|
||
|
|
Transgender | 80 (1.5) | 137 (1.5) |
|
||
| Race/ethnicity |
|
|
<.001 | |||
|
|
White | 515 (9.2) | 1561 (20.1) |
|
||
|
|
Black | 4271 (82.3) | 5399 (69.5) |
|
||
|
|
Hispanic | 302 (5.8) | 582 (7.5) |
|
||
|
|
Otherc | 105 (2.0) | 229 (3.0) |
|
||
| Transmission risk |
|
|
<.001 | |||
|
|
MSMd | 1977 (38.1) | 3764 (48.5) |
|
||
|
|
IDUe | 768 (14.8) | 604 (7.8) |
|
||
|
|
MSM/IDU | 198 (3.8) | 219 (2.8) |
|
||
|
|
Heterosexual contact | 1571 (30.3) | 2014 (25.9) |
|
||
|
|
Perinatal | 94 (1.8) | 43 (0.6) |
|
||
|
|
Otherf | 3 (0.1) | 7 (0.1) |
|
||
|
|
Not identified | 582 (11.2) | 1121 (14.4) |
|
||
| Age in yearsg, median (IQRh) | 50 (18) | 48 (20) | .65 | |||
| Time since HIV diagnosis in years, mean (SD) | 12.6 (6.9) | 10.7 (7.4) | .048 | |||
| STIi diagnosis between 2011-2016 | 906 (17.4) | 1471(18.9) | .03 | |||
| Hepatitis B coinfection between 2011-2016 | 87 (1.7) | 100 (1.3) | .07 | |||
| Hepatitis C coinfection between 2011-2016 | 282 (5.4) | 345 (4.4) | .009 | |||
aDistrict of Columbia.
bNon-DC cohort participants include persons who have consented and subsequently withdrawn from the study and persons diagnosed with HIV and reported to the DC Health who were alive as of the end of December 2017.
cOther race includes mixed race individuals, Asians, Alaska Natives, American Indians, Native Hawaiian, Pacific Islanders, and unknown race.
dMSM: men who have sex with men.
eIDU: injection drug user.
fOther mode of transmission includes perinatal transmission, hemophilia, blood transfusion, and occupational exposure (health care workers).
gAge as of December 31, 2017.
hIQR: interquartile range.
iSTI: sexually transmitted infection.