Table 3.
Factors associated with having lifetime IDU SP for the group of females aged 26 and younger (n = 120)
| Characteristic | Had IDU SP (n = 55, 46%), n (%) | Did not have IDU SP (n = 65, 54%), n (%) | Unadjusted OR (CI) | Adjusted OR (CI) |
|---|---|---|---|---|
| Nationality | ||||
| Russian | 53 (47) | 60 (53) | 2.2 (0.4, 11.9) | |
| Other | 2 (29) | 5 (71) | 1.0 | |
| Place of birth | ||||
| St. Petersburg | 46 (52) | 43 (48) | 2.6** (1.1, 6.3) | 2.7** (1.1, 6.7) |
| Other | 9 (29) | 22 (71) | 1.0 | 1.0 |
| Education | ||||
| Secondary or vocational | 45 (52) | 41 (48) | 2.6** (1.1, 6.2) | 2.9** (1.2, 7.2) |
| High | 10 (29) | 24 (71) | 1.0 | 1.0 |
| Married status | ||||
| Married or common law | 33 (44) | 42 (56) | 0.8 (0.4, 1.7) | |
| Without permanent partner | 22 (49) | 23 (51) | 1.0 | |
| Employed | ||||
| Yes | 31 (46) | 36 (54) | 1.0 (0.5, 2.2) | |
| No | 24 (45) | 29 (55) | 1.0 | |
| Surgery experience | ||||
| Yes | 25 (40) | 38 (60) | 0.4* (0.2, 1.1) | |
| No | 17 (61) | 11 (39) | 1.0 | |
| Alcohol use in the past 30 days | ||||
| Yes | 16 (67) | 8 (33) | 2.9** (1.1, 7.5) | 3.5** (1.3, 9.6) |
| No | 39 (41) | 57 (59) | 1.0 | 1.0 |
| STD | ||||
| Yes | 24 (47) | 27 (53) | 1.1 (0.5, 2.3) | |
| No | 31 (45) | 38 (55) | 1.0 | |
| Age at first sex | ||||
| ≤16 | 38 (55) | 31 (45) | 2.5** (1.2, 5.2) | |
| >16 | 17 (33) | 34 (67) | 1.0 | |
| Lifetime SP | ||||
| ≤8 | 38 (46) | 44 (54) | 1.1 (0.5, 2.3) | |
| >8 | 17 (45) | 21 (55) | 1.0 | |
| Years of enrollment | ||||
| 2005–2006 | 17 (50) | 17 (50) | 1.7 (0.7, 4.4) | |
| 2006–2007 | 24 (50) | 24 (50) | 1.7 (0.7, 4.1) | |
| 2007–2008 | 14 (37) | 24 (63) | 1.0 |
*p = 0.2; **p = 0.05