Table 3.
Association of Injection-Related Risk Behaviors With a Reported History of Abscess Among Persons Who Inject Drugs, San Diego, 2009–2010
| Variable | Overall, N (%) (n = 541) |
Ever Abscess, N (%) (n = 258) |
No Abscess, N (%) (n = 283) |
p-Valuea | p-Value for Linear Trendb |
|---|---|---|---|---|---|
| Distributive syringe sharing in the last 3 months (17 missing) | |||||
| Never | 279 (53.2) | 116 (41.6) | 163 (58.4) | ||
| <50% of the time | 178 (34.0) | 91 (51.1) | 87 (48.9) | ||
| ≥50% of the time | 67 (12.8) | 45 (67.2) | 22 (32.8) | <.001c | <.001c |
| Receptive syringe sharing in the last 3 months (17 missing) | |||||
| Never | 268 (51.1) | 113 (42.2) | 155 (57.8) | ||
| <50% of the time | 178 (34.0) | 93 (52.2) | 85 (47.8) | ||
| ≥50% of the time | 78 (14.9) | 46 (59.0) | 32 (41.0) | .013c | .003c |
| Cooker sharing in the last 3 months (19 missing) | |||||
| Never | 231 (44.3) | 97 (42.0) | 134 (58.0) | ||
| <50% of the time | 136 (26.1) | 65 (47.8) | 71 (52.2) | ||
| ≥50% of the time | 155 (29.7) | 91 (58.7) | 64 (41.3) | .006c | .001c |
| Cotton sharing in the last 3 months (14 missing) | |||||
| Never | 240 (45.5) | 99 (41.3) | 141 (58.8) | ||
| <50% of the time | 145 (27.5) | 76 (52.4) | 69 (47.6) | ||
| ≥50% of the time | 142 (26.9) | 78 (54.9) | 64 (45.1) | .016c | .006c |
| Rinse water sharing in the last 3 months (18 missing) | |||||
| Never | 230 (44.0) | 93 (40.4) | 137 (59.6) | ||
| <50% of the time | 139 (26.6) | 73 (52.5) | 66 (47.5) | ||
| ≥50% of the time | 154 (29.4) | 85 (55.2) | 69 (44.8) | .008c | .003c |
| Frequency of use of new, sterile syringe, last 3 months (20 missing) | |||||
| Never | 36 (6.9) | 12 (33.3) | 24 (66.7) | ||
| <50% of the time | 108 (20.7) | 63 (58.3) | 45 (41.7) | ||
| ≥50% of the time | 377 (72.4) | 177 (46.9) | 200 (53.1) | .020c | .992 |
a
p-Value from χ2 statistics for percentage.
b
With Cochran-Armitage trend test.
c
p-Vaiue ≤ .05 is significant.