Table III.
Unadjusted Prevalence Ratios for Individual and Network Correlates of Using a Syringe Second in the Past 6 Months (N=123 Injection Partnerships)
| PR | 95% CI | |
|---|---|---|
| Individual-level (N=64) | ||
| Age | 0.94 | (0.90, 1.00) |
| Hispanic/Latinx | 0.12 | (0.02, 0.89) |
| Race (White vs. Other) | 4.32 | (1.04, 17.92) |
| Sexual orientation | ||
| Straight | ref | ref |
| Bisexual | 0.85 | (0.32, 2.26) |
| Lesbian/gay/pansexual | 1.18 | (0.22. 6.20) |
| High school education / GED or greater | 0.96 | (0.42, 2.21) |
| Living situation (past 6 months) | ||
| Stable housing (house or apartment, including rental) | 0.45 | (0.17, 1.22) |
| Transitional housing (i.e., halfway housing, group home, jail, shelter) | 1.15 | (0.38, 2.75) |
| Live on the street (including car) | 1.07 | (0.49, 2.33) |
| Homeless at any point during the past 6 months (i.e., were living on the street, in a car, park, abandoned building, tent, campsite, or squatting) | 1.15 | (0.46, 2.90) |
| Employed full/part-time (past 6 months) | 3.05 | (1.52, 6.12) |
| Any monthly income (past 6 months) | 0.63 | (0.30, 1.33) |
| Any source of illegal income (past 6 months) | 0.68 | (0.32, 1.47) |
| Monthly income (past 6 months) is___1 | ||
| Not enough to make ends meet | ref | ref |
| Just enough to make ends meet | 0.68 | (0.25, 1.89) |
| Some money left over | 0.45 | (0.06, 3.11) |
| Any children under 18 years of age | 1.22 | (0.55, 2.70) |
| Incarceration history | ||
| Jail (past 2 years) | 1.07 | (0.51, 2.26) |
| Prison (past 2 years) | 0.57 | (0.15, 2.23) |
| Ever tested positive for HIV1 | 1.52 | (0.54, 4.28) |
| Ever tested positive for HCV | 0.57 | (0.27, 1.22) |
| Drugs injected (past 6 months) | ||
| Cocaine | 1.02 | (0.49, 2.11) |
| Heroin | 1.60 | (0.41, 6.26) |
| Fentanyl2 | n/a | n/a |
| Prescription opioids | 1.04 | (0.30, 3.59) |
| Synthetics | 1.13 | (0.24, 5.31) |
| Methamphetamine | 1.18 | (0.57, 2.44) |
| Ketamine2 | n/a | n/a |
| Tranquilizers | 1.42 | (0.66, 3.03) |
| Ever overdosed | 0.54 | (0.26, 1.11) |
| Engaged in sex exchange (past 6 months) | 0.67 | (0.31, 1.47) |
| Number of times inject per day (past 6 months) | 0.99 | (0.95, 1.04) |
| Number of injection partners (past 6 months) | 0.49 | (0.34, 0.70) |
| One injection partner vs. more than one injection partner (past 6 months) | 3.27 | (1.45, 7.40) |
| Number of overdoses (past 6 months) | 0.32 | (0.08, 1.40) |
| Number of overdoses witnessed (past 6 months) | 0.98 | (0.96, 1.01) |
| Network-level Characteristics (N=123) | ||
| Network member demographics | ||
| Age | 1.00 | (1.00, 1.00) |
| Female gender | 1.47 | (0.95, 2.29) |
| Hispanic/Latinx | 0.58 | (0.27, 1.23) |
| Race (White vs. Other) | 0.87 | (0.55, 1.38) |
| Relationship characteristics | ||
| Interact with partner at least daily (past 6 months) | 3.47 | (1.47, 8.20) |
| Share an injection setting at least daily (past 6 months) | 3.62 | (1.59, 8.23) |
| Live together (past 6 months) | 3.84 | (1.73, 8.53) |
| Injection partner provided financial support (past 6 months) | 2.69 | (1.24, 5.85) |
| Emotional support (extremely likely to discuss personal/private matters with injection partner) (past 6 months) | 8.86 | (3.42, 22.96) |
| Sex partner (past 6 months) | 3.54 | (1.94, 6.45) |
| Injection partner helped her to inject drugs (past 6 months) | 1.91 | (1.11, 3.29) |
| Share injection equipment with injection partner (past 6 months) | 3.13 | (1.14, 8.61) |
| Relationship duration in months | 1.00 | (1.00, 1.00) |
| Risk perception | ||
| Individual perceives that network member is living with HIV1 | 1.02 | (0.50, 2.07) |
| Individual perceives that network member is living with HCV1 | 1.02 | (0.52, 1.97) |
| Individual perceives that injection partner does not share syringes or injection equipment with others vs. any perceived level of sharing with others (including don’t know) | 1.62 | (0.89, 2.95) |
1
N=122
2
Prevalence ratios for fentanyl injection in the past 6 months and ketamine injection in the past 6 months could not be computed due to collinearity
Note: women use the needle second in 26 of 123 injection partnerships (21.14%)