Table 1.
Comparison of OCS participants’ characteristics between the participating and non-participating sites in the representativeness study
| |
All sites |
4 sites in representativeness study |
Other sites |
|
|
|---|---|---|---|---|---|
| Characteristics | (n=3106) | (n=1861) | (n=1245) | p value | |
| Age |
|
46 (40–52) |
46 (40–52) |
46 (40–52) |
0.77 |
| Male |
|
2628 (85%) |
1632 (88%) |
996 (80%) |
<.0001 |
| Risk factor |
|
|
|
|
|
| |
MSM |
2133 (71%) |
1429 (77%) |
704 (60%) |
<.0001 |
| |
IDU |
364 (12%) |
180 (10%) |
184 (16%) |
<.0001 |
| |
heterosexual |
629 (21%) |
325 (18%) |
304 (26%) |
<.0001 |
| |
Blood product/MTCT |
197 (6%) |
102 (5%) |
95 (8%) |
0.009 |
| Race |
|
|
|
|
0.02 |
| |
Caucasian |
2170 (72%) |
1329 (72%) |
841 (72%) |
|
| |
Black/African |
418 (14%) |
259 (14%) |
159 (14%) |
|
| |
Aboriginal |
161 (5%) |
83 (4%) |
78 (7%) |
|
| |
Other |
264 (9%) |
176 (10%) |
88 (8%) |
|
| Born in Canada |
|
2090 (69%) |
1264 (69%) |
826 (70%) |
0.35 |
| Years since HIV+ test |
|
11 (6–17) |
12 (5–18) |
11 (6–17) |
0.41 |
| Cigarette history |
|
|
|
|
0.006 |
| |
Never |
1017 (35%) |
623 (35%) |
394 (35%) |
|
| |
Former |
736 (25%) |
479 (27%) |
257 (23%) |
|
| |
Current |
1161 (40%) |
671 (38%) |
490 (43%) |
|
| Alcohol use |
|
1102 (38%) |
718 (40%) |
384 (34%) |
0.0003 |
| Substance use |
|
614 (21%) |
414 (23%) |
200 (18%) |
0.0002 |
| Education |
|
|
|
|
<.0001 |
| |
High school or lower |
929 (32%) |
504 (28%) |
425 (37%) |
|
| |
Some/completed college |
890 (30%) |
545 (31%) |
345 (30%) |
|
| |
Some/completed university |
1102 (38%) |
732 (41%) |
370 (32%) |
|
| Employed |
|
1401 (48%) |
920 (52%) |
481 (42%) |
<.0001 |
| Household income |
|
|
|
|
<.0001 |
| |
< 30 K |
1062 (40%) |
566 (35%) |
496 (47%) |
|
| |
30-60 K |
612 (23%) |
378 (24%) |
234 (22%) |
|
| |
60-80 K |
298 (11%) |
189 (12%) |
109 (10%) |
|
| |
> 80 K |
693 (26%) |
470 (29%) |
223 (21%) |
|
| General health |
|
|
|
|
<.01 |
| |
Good |
2353 (81%) |
1466 (82%) |
887 (78%) |
|
| |
Fair |
464 (16%) |
248 (14%) |
216 (19%) |
|
| |
Poor |
103 (4%) |
65 (4%) |
38 (3%) |
|
| On cART |
|
2497 (80%) |
1487 (80%) |
1010 (81%) |
0.40 |
| CD4 count (cells/mm3) |
|
471 (330–650) |
480 (340–650) |
460 (310–649) |
0.02 |
| VL < 50 copies/mL | 2254 (73%) | 1379 (74%) | 875 (70%) | 0.02 | |
OCS Ontario HIV Treatment Network Cohort Study, MSM men who have sex with men, IDU injection drug use, MTCT mother to child transmission, cART combination antiretroviral therapy, VL viral load.
Numbers are reported as median (interquartile range) or frequency (percentage).