TABLE 2.
Bivariate association (Student t-test) between self-reported abscess in the prior 6 months and injection characteristics in 858 injection drug users, California, 2003–2005
| Characteristic or practice | Sample with no recent abscess (n = 538) Mean (SD) |
Sample with recent abscess(es)a (n = 320) Mean (SD) |
P-value |
|---|---|---|---|
| Percentage of time the particpant cleaned skin prior to injection | 46.2 (43.1) | 39.7 (41.8) | 0.03 |
| Number of times the participant did skin-popping in past 30 days | 11.4 (27.0) | 40.1 (55.5) | < 0.001 |
| Number of times the participant injected vein in past 30 days | 74.1 (75.3) | 60.5 (81.6) | 0.01 |
a
Those reporting an abscess in the prior 6 months.
SD, standard deviation.