Characteristics of 8598 people living with HIV in British Columbia by virologic suppression status, Apr. 1, 2012 to Mar. 31, 2013
| Characteristic | No. (%) of people* | p value† | |
|---|---|---|---|
| Not suppressed n = 2993 | Suppressed n = 5605 | ||
| Sex | < 0.01 | ||
| Female | 878 (51.2) | 835 (48.7) | |
| Male | 2115 (30.7) | 4770 (69.3) | |
| Age, median (IQR), yr | 46.2 (38.2–53.1) | 48.9 (42.2–55.5) | < 0.01 |
| History of injection drug use‡ | < 0.01 | ||
| No | 662 (18.0) | 3026 (82.0) | |
| Yes | 787 (32.2) | 1653 (67.7) | |
| Unknown | 1544 (62.5) | 926 (37.5) | |
| CD4 count, median (IQR), cells/mm3 | |||
| End of follow-up | 390 (210–600) | 550 (390–720) | < 0.01 |
| Nadir | 200 (70–360) | 170 (70–270) | < 0.01 |
| No. of viral load tests during study period, median (IQR) | 4 (2–5) | 4 (3–4) | 0.03 |
| Ethnicity§ | |||
| Unknown | n = 4489 (52.2%) | ||
| Asian | n = 268 (3.1%) | ||
| Black | n = 171 (1.9%) | ||
| Indigenous | n = 811 (9.4%) | ||
| Hispanic | n = 131 (1.5%) | ||
| White | n = 2728 (31.7%) | ||
| Geographic variables | |||
| Rurality | |||
| Forward sortation area | 0.46 | ||
| Not rural | 2806 (34.7) | 5277 (65.3) | |
| Rural | 187 (36.3) | 328 (63.7) | |
| Statistical Area Classification | < 0.01 | ||
| Not rural | 2405 (33.6) | 4753 (66.4) | |
| Rural | 588 (40.8) | 852 (59.2) | |
| Statistical Area Classification category | < 0.01 | ||
| Census metropolitan area | 2405 (33.6) | 4753 (66.4) | |
| Census agglomeration (with tracts) | 222 (45.1) | 270 (54.9) | |
| Census agglomeration (no tracts) | 169 (42.5) | 229 (57.5) | |
| Strong metropolitan influenced zone | 24 (29.3) | 58 (70.7) | |
| Moderate metropolitan influenced zone | 77 (34.1) | 149 (65.9) | |
| Weak metropolitan influenced zone | 88 (40.0) | 132 (60.0) | |
| No metropolitan influenced zone | 8 (36.4) | 14 (63.6) | |
| Health authority | < 0.01 | ||
| Interior Health | 259 (42.8) | 346 (57.2) | |
| Fraser Health | 754 (37.0) | 1284 (63.0) | |
| Vancouver Coastal Health | 1443 (31.2) | 3180 (68.8) | |
| Island Health | 387 (37.6) | 643 (62.4) | |
| Northern Health | 150 (49.7) | 152 (50.3) | |
Note: IQR = interquartile range.
↵* Except where noted otherwise. Percentages of row totals.
↵† χ2 for categoric variables, Kruskal–Wallis test for continuous variables.
↵‡ Data on ethnicity and injection drug use were collected from Drug Treatment Program enrolment forms completed by enrolling physicians.
↵§ Owing to increasingly recognized concerns about stigmatization with presenting disease outcomes by ethnicity in Canada and the limitations in existing data-stewardship policies for different groups, only data on the ethnic composition of the total study population are included.