Table 3.
Model Estimations of the Relationship between ZCTA Level Socio-Demographics, Healthcare Availability, HIV Incidence Rate, and PrEP Density with Model Diagnostics for Spatial Autocorrelation and Goodness-of-fit (N=163)
| Non-Spatial OLS | Spatial Lag Model | |||
|---|---|---|---|---|
| Coefficient (SE) | P-value | Coefficient (SE) | P-value | |
| Bivariate Estimation | ||||
| Percent non-Hispanic Black | −0.11 | 0.91 | 0.3 | 0.7 |
| Percent Hispanic | −0.28 | 0.83 | −0.07 | 0.94 |
| Percent non-Hispanic Asian | −4.14 | 0.02 | −1.64 | 0.24 |
| Percent non-Hispanic White | 1.66 | 0.08 | 0.32 | 0.68 |
| Percent below Poverty | 4.23 | 0.09 | 2.26 | 0.26 |
| Percent Uninsured | −15.1 | 0.01 | −5.35 | 0.24 |
| Percent same-sex partner household | 210.0 | 0.00 | 126.07 | 0.00 |
| Healthcare Provider Density | 0.19 | 0.00 | 0.14 | 0.00 |
| HIV Incidence Rate (/person-year) | 320.0 | 0.00 | 206.54 | 0.00 |
| Multivariate Estimation | ||||
| Percent non-Hispanic Black | −1.33 | 0.82 | −0.72 | 0.89 |
| Percent Hispanic | −1.33 | 0.82 | −0.95 | 0.86 |
| Percent non-Hispanic Asian | −1.65 | 0.79 | −0.97 | 0.87 |
| Percent non-Hispanic White | −0.22 | 0.97 | −0.26 | 0.96 |
| Percent below Poverty | −0.8 | 0.77 | −1.55 | 0.54 |
| Percent Uninsured | −7.61 | 0.22 | −4.56 | 0.44 |
| Percent same-sex partner household | 43.75 | 0.33 | 33.22 | 0.42 |
| Healthcare Provider Density | 0.15 | 0.00 | 0.13 | 0.00 |
| HIV Incidence Rate (/person-year) | 261.4 | 0.00 | 211.3 | 0.00 |
| Multivariate Model Diagnostic | ||||
| Global Moran’s I | 0.07 | 0.02 | - | - |
| LM Spatial Error Model P-value | 1.73 | 0.19 | - | - |
| LM Spatial Lag Model P-value | 9.78 | 0.00 | - | - |
| Robust LM P-value | - | - | 0.00 | |
| AIC | 722 | 714 | ||