Table 2.
Alter and relationship-level factors associated with receptive syringe sharing (RSS) with network alters (N = 272 dyads reported by 72 egos)
| RSS with alter (n = 201; 73.9 %) |
No RSS with alter (n = 71; 26.1 %) |
Odds Ratio | 95 % Confidence interval |
p value | |||
|---|---|---|---|---|---|---|---|
| N | % | N | % | ||||
| Alter characteristics | |||||||
| Female (vs. male) | 67 | 33.5 | 19 | 26.8 | 4.48 | 1.23, 16.34 | 0.02 |
| Named as drug and sex contact (vs. drug only) | 63 | 31.3 | 17 | 23.9 | 4.82 | 1.26, 18.38 | 0.02 |
| Sex worker | 49 | 24.4 | 14 | 19.7 | 1.07 | 0.28, 4.07 | 0.92 |
| Alter lives in Mexico (vs. US) | 168 | 83.6 | 64 | 90.1 | 0.08 | 0.007, 0.87 | 0.04 |
| Relationship type | |||||||
| Regular sex partner | 8 | 4.0 | 3 | 4.2 | 10.74 | 0.44, 264.1 | 0.15 |
| Casual sex partner | 15 | 7.5 | 2 | 2.8 | 9.50 | 0.49, 181.77 | 0.14 |
| Friend | 134 | 66.7 | 47 | 66.2 | 0.69 | 0.20, 2.39 | 0.56 |
| Acquaintance | 37 | 18.4 | 15 | 21.1 | 0.72 | 0.18, 2.97 | 0.65 |
| Family member | 3 | 1.5 | 3 | 4.2 | 0.08 | 0.004, 1.63 | 0.10 |
| Relationship characteristics | |||||||
| See each other daily (vs. less than) | 109 | 54.2 | 29 | 40.9 | 2.14 | 0.67, 6.85 | 0.20 |
| Closeness (1–10; median IQR) | 9 | 7, 10 | 8 | 6, 9 | 1.51 | 1.11, 2.06 | 0.01 |
| Alter and ego live in the same country | 175 | 87.1 | 61 | 85.9 | 2.96 | 0.50, 17.4 | 0.23 |
| Drink alcohol together | 55 | 44.7 | 12 | 30.0 | 1.56 | 0.42, 5.81 | 0.51 |