Table 3.
HIV Vaccine Research Involvement Predictors: Random Effects Model Parameter Estimates, Standard Errors, and P-Values
| Individual Model I | Partial Multilevel Model II | Full Multilevel Model III | |
|---|---|---|---|
| Parameter Estimate (SE) | Parameter Estimate (SE) | Parameter Estimate (SE) | |
| (Random) Intercept | 0.122 (0.433) | 3.684 (0.543)*** | 0.150 (0.779) |
| Individual Characteristics | |||
| Race | 0.219 (0.117)† | 0.216 (0.156) | |
| Income | −0.085 (0.035)* | −0.105 (0.048)* | |
| Gender | −0.037 (0.092) | −0.152 (0.124) | |
| Age | 0.001 (0.004) | −0.006 (0.006) | |
| Individual Psychosocial Factors | |||
| Attitudes | 0.059 (0.033)† | 0.053 (0.043) | |
| Norms | 0.084 (0.033)* | 0.129 (0.047)** | |
| Normative beliefs | 0.005 (0.024) | −0.016 (0.036) | |
| Behavioral beliefs | 0.080 (0.022)*** | 0.078 (0.034)* | |
| Organizational relevance | 0.050 (0.024)* | 0.032 (0.034) | |
| Social/Organizational Characteristics | |||
| HIV case management | −0.609 (0.329)† | −0.279 (0.282) | |
| HIV medical treatment/services | 0.592 (0.222)* | 0.628 (0.188)*** | |
| HIV testing counseling | 0.269 (0.446) | 0.034 (0.376) | |
| Community education/outreach | 0.213 (0.214) | 0.146 (0.180) | |
| Mentoring and support services | −0.667 (0.432) | −0.769 (0.369)* | |
| Other HIV intervention | −0.132 (0.424) | −0.319 (0.360) | |
| Support services | 0.544 (0.223)* | 0.473 (0.189)* | |
| Program focus: individuals | −0.460 (0.217)* | −0.308 (0.191) | |
| Program focus: group | −0.585 (0.417) | −0.250 (0.362) | |
| Program focus: community | −0.006 (0.228) | 0.060 (0.192) | |
| Neighborhood/Community Characteristics (1000) | |||
| Total black population | 0.033 (0.018)† | 0.017 (0.016) | |
| HIV prevalence | −0.514 (0.988) | −0.185 (0.834) | |
| Spanish speaking | −0.346 (0.253) | −0.267 (0.210) | |
| Population ≥25 yrs. | −0.061 (0.052) | −0.068 (0.043) | |
| HS graduation rate (male) | 0.039 (0.184) | 0.228 (0.160) | |
| Males employed | 0.094 (0.108) | 0.038 (0.089) | |
| Median household income | −0.007 (0.013) | 0.013 (0.011) | |
| Vacant households | −0.033 (0.423) | 0.236 (0.352) | |
| Sigma_u (SE) | .280 (.103) | -- | -- |
| Sigma_e (SE) | .989 (.041) | 1.181 (.055) | .928 (.046) |
| Likelihood RatioTest Sigma_u=0 | 2.67 (p=0.051) | 0.0 (1.0) | 0.0 (1.0) |
| Durbin Wu Hausmantest | 8.13 (p=0.521) | -- | 6.88 (p=0.649) |
| BIC | 1303.59 (df/12) | 846.76 (df/21) | 713.64 (df/30) |
| AIC | 1254.91 (df/12) | 774.47 (df/21) | 613.80 (df/30) |
| Number individuals | 427 | 231 | 206 |
| Number zip codes | 157 | 46 | 46 |
†
p<.10;
*
p<.05;
**
p<.01;
***
p<.001