Table 2.
Comparison of OCS participants to non-participants from four recruiting sites
|
Characteristics‡ |
Consented |
Declined |
Not approached |
|
|---|---|---|---|---|
| (n =1861) | (n =216) | (n =502) | p value | |
| Site |
|
|
|
|
| Windsor |
128 (7%) |
<6 (<3%) |
94 (19%) |
<.0001 |
| UHN |
525 (28%) |
162 (75%) |
226 (45%) |
|
| Ottawa |
293 (16%) |
35 (16%) |
123 (25%) |
|
| MLMC |
915 (49%) |
<16 (<7%) |
59 (12%) |
|
| Age |
46 (40–52) |
45 (37–51) |
44 (39–50) |
0.008 |
| Male |
1632 (88%) |
154 (71%) |
374 (75%) |
<.0001 |
| Risk Factor |
|
|
|
|
| MSM |
1429 (77%) |
90 (42%) |
229 (47%) |
<.0001 |
| IDU |
180 (10%) |
13 (6%) |
49 (10%) |
0.19 |
| Heterosexual |
325 (18%) |
93 (43%) |
177 (36%) |
<.0001 |
| Blood product |
100 (5%) |
10 (5%) |
30 (7%) |
0.46 |
| Race |
|
|
|
|
| Caucasian |
1329 (72%) |
76 (41%) |
240 (57%) |
<.0001 |
| Black/African |
259 (14%) |
75 (40%) |
129 (31%) |
|
| Other |
259 (10%) |
35 (19%) |
49 (11%) |
|
| Born in Canada |
1264 (69%) |
78 (39%) |
224 (52%) |
<.0001 |
| Years since HIV+ test |
12 (5–18) |
7 (5–14) |
8 (4–13) |
<.0001 |
| On cART |
1487 (80%) |
156 (73%) |
362 (73%) |
0.001 |
| CD4 count (cells/mm3) |
480 (340–650) |
450 (296–615) |
420 (281–587) |
<.0001 |
| <200 |
155 (8%) |
31 (14%) |
70 (15%) |
<.0001 |
| 200-500 |
851 (46%) |
102 (47%) |
227 (47%) |
|
| >500 |
853 (46%) |
82 (38%) |
185 (38%) |
|
| VL <50 copies/mL | 1379 (74%) | 160 (75%) | 297 (62%) | <.0001 |
‡ median (interquartile range) or frequency (percent).
OCS Ontario HIV Treatment Network Cohort Study, UHN University Health Network, MLMC Maple Leaf Medical Clinic, MSM men who have sex with men, IDU injection drug use, cART combination antiretroviral therapy, VL viral load.