Table 3.
Negative binomial regression predicting the number of injector partners by self-reported HCV and HIV status with controls (n = 297).
| Variables | (1) | (2) | (3) | (4) | (5) | (6) |
|---|---|---|---|---|---|---|
| Female | 0.924 [0.58, 1.48] |
0.858 [0.52,1.37] |
0.924 [0.57, 1.45] |
|||
| Age (mean centered) | 0.985 [0.96, 1.01] |
0.984 [0.96,1.01] |
0.984 [0.96, 1.00] |
|||
| Together: Married or Cohabiting (reference) | Reference | Reference | Reference | |||
| Previously Married | 1.066 [0.72, 1.57] |
1.009 [0.68,1.49] |
1.133 [0.76, 1.66] |
|||
| Single | 1.405+ [0.99, 1.99] |
1.319 [0.93, 1.90] |
1.457* [1.04, 2.08] |
|||
| # of Years Injecting | 1.022* [1.00, 1.04] |
1.028** [1.01, 1.05] |
1.024* [1.00, 1.05] |
|||
| Frequency of Injection | 1.057 [0.91, 1.23] |
1.050 [0.90, 1.22] |
1.055 [0.90, 1.22] |
|||
| # of Focal Towns Lived In (ever) | 1.078 [0.81, 1.43] |
1.079 [0.81, 1.44] |
1.113 [0.84, 1.47] |
|||
| # of Focal Towns Injected In (ever) | 1.892*** [1.55, 2.32] |
1.833*** [1.49, 2.24] |
1.847*** [1.50, 2.24] |
|||
| # of Main Sex Partners (current) | 0.997 [0.95, 1.05] |
1.000 [0.95, 1.05] |
0.997 [0.95, 1.05] |
|||
| # of Casual Sex Partners (current) | 1.031+ [0.99, 1.07] |
1.038* [1.00, 1.08] |
1.033+ [0.99, 1.07] |
|||
| HCV Unknown Status | 1.879** [1.25, 2.82] |
2.063** [1.33, 3.21] |
1.817** [1.24, 2.67] |
2.023*** [1.36, 3.04] |
||
| HCV Self-Reported Positive Status | 2.458*** [1.74, 3.47] |
2.559*** [1.81, 3.61] |
2.168*** [1.57, 2.99] |
2.235*** [1.62, 3.09] |
||
| HCV Self-Reported Negative Status (reference) | Reference | Reference | Reference | Reference | ||
| HIV Unknown Status | 0.798 [0.52, 1.22] |
0.764 [0.48, 1.21] |
0.751 [0.48, 1.05] |
0.684 [0.45, 0.99] |
||
| HIV Self-Reported Positive Status | 0.561 [0.26, 1.20] |
0.456* [0.22, 0.96] |
0.621 [0.30, 1.22] |
0.533+ [0.26, 1.03] |
||
| HIV Self-Reported Negative Status (reference) | Reference | Reference | Reference | Reference | ||
| Intercept | 8.161 | 16.492 | 8.298 | 1.417 | 2.967* | 1.377 |
| N | 297 | 297 | 297 | 297 | 297 | 297 |
| Pseudo R2 | 0.01 | 0.001 | 0.01 | 0.05 | 0.04 | 0.05 |
Coefficients are presented as incident rate ratios and 95% confidence intervals are presented below:
+
p < 0.10,
*
p < 0.05,
**
p < 0.01,
***
p < 0.001 Not shown are non-significant coefficients for being born in Puerto Rico, income, education, and current employment status.