Table 1 Comparison of OCS participants’ characteristics between the participating and non-participating sites in the representativeness study
| Â | All sites | 4 sites in representativeness study | Other sites | Â | |
|---|---|---|---|---|---|
Characteristics | Â | (n=3106) | (n=1861) | (n=1245) | p value |
Age |  | 46 (40–52) | 46 (40–52) | 46 (40–52) | 0.77 |
Male | Â | 2628 (85%) | 1632 (88%) | 996 (80%) | <.0001 |
Risk factor | Â | Â | Â | Â | Â |
| Â | MSM | 2133 (71%) | 1429 (77%) | 704 (60%) | <.0001 |
| Â | IDU | 364 (12%) | 180 (10%) | 184 (16%) | <.0001 |
| Â | heterosexual | 629 (21%) | 325 (18%) | 304 (26%) | <.0001 |
| Â | Blood product/MTCT | 197 (6%) | 102 (5%) | 95 (8%) | 0.009 |
Race | Â | Â | Â | Â | 0.02 |
| Â | Caucasian | 2170 (72%) | 1329 (72%) | 841 (72%) | Â |
| Â | Black/African | 418 (14%) | 259 (14%) | 159 (14%) | Â |
| Â | Aboriginal | 161 (5%) | 83 (4%) | 78 (7%) | Â |
| Â | Other | 264 (9%) | 176 (10%) | 88 (8%) | Â |
Born in Canada | Â | 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 | Â | Â | Â | Â | 0.006 |
| Â | Never | 1017 (35%) | 623 (35%) | 394 (35%) | Â |
| Â | Former | 736 (25%) | 479 (27%) | 257 (23%) | Â |
| Â | Current | 1161 (40%) | 671 (38%) | 490 (43%) | Â |
Alcohol use | Â | 1102 (38%) | 718 (40%) | 384 (34%) | 0.0003 |
Substance use | Â | 614 (21%) | 414 (23%) | 200 (18%) | 0.0002 |
Education | Â | Â | Â | Â | <.0001 |
| Â | High school or lower | 929 (32%) | 504 (28%) | 425 (37%) | Â |
| Â | Some/completed college | 890 (30%) | 545 (31%) | 345 (30%) | Â |
| Â | Some/completed university | 1102 (38%) | 732 (41%) | 370 (32%) | Â |
Employed | Â | 1401 (48%) | 920 (52%) | 481 (42%) | <.0001 |
Household income | Â | Â | Â | Â | <.0001 |
| Â | < 30Â K | 1062 (40%) | 566 (35%) | 496 (47%) | Â |
| Â | 30-60Â K | 612 (23%) | 378 (24%) | 234 (22%) | Â |
| Â | 60-80Â K | 298 (11%) | 189 (12%) | 109 (10%) | Â |
| Â | > 80Â K | 693 (26%) | 470 (29%) | 223 (21%) | Â |
General health | Â | Â | Â | Â | <.01 |
| Â | Good | 2353 (81%) | 1466 (82%) | 887 (78%) | Â |
| Â | Fair | 464 (16%) | 248 (14%) | 216 (19%) | Â |
| Â | Poor | 103 (4%) | 65 (4%) | 38 (3%) | Â |
On cART | Â | 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 | Â | 2254 (73%) | 1379 (74%) | 875 (70%) | 0.02 |