Table 4.
Unstandardized Parameter Estimates and Standard Errors from Linear Mixed Models Predicting Changes in Behavioral Outcomes and Psychosocial Mediators Over Time
| Outcome | Predictor
|
||||
|---|---|---|---|---|---|
| RTR | RTR+ | Month | Month X RTR | Month X RTR+ | |
| Behavior and behavioral intentions | |||||
| Number of sexual partners | −.284 (.177) | −.345 (.165)* | .073 (.015)*** | ||
| Number of unprotected sex acts | −.287 (.584) | −.458 (.542) | .672 (.104)*** | ||
| Prophylactic risk index | −.035 (.021) | −.007 (.019) | −.005 (.002) | ||
| Intentions to use prophylaxis | .159 (.060)** | .124 (.056)* | .004 (.005) | .001 (.007) | −.008 (.006) |
| Attitudes and norms | |||||
| Attitudes toward sex | .025 (.049) | −.095 (.045)* | .018 (.003)*** | ||
| Attitudes toward prophylaxis | .151 (.035)*** | .210 (.032)*** | .005 (.003) | −.004 (.004) | −.010 (.004)** |
| Perceived sexual norms | −.011 (.039) | −.088 (.036)* | .020 (.002)*** | ||
| Perceived parental sexual norms | .000 (.051) | −.025 (.047) | .011 (.003)*** | ||
| Perceived prophylactic norms | .092 (.047)* | .087 (.043)* | .002 (.002) | ||
| Motives | |||||
| Reasons to get pregnant | −.045 (.030) | −.032 (.027) | .001 (.002) | ||
| Reasons to have sex | .025 (.045) | −.031 (.041) | .001 (.003) | ||
| Reasons not to have sex | .143 (.040)*** | .167 (.036)*** | −.013 (.002)*** | ||
| Self-efficacy and behavioral control | |||||
| Self efficacy (“saying no” to sex) | .190 (.052)*** | .244 (.048)*** | −.006 (.003)* | ||
| Prophylactic self-efficacy | .101 (.049)* | .177 (.045)*** | .004 (.002) | ||
| Behavioral control (prophylaxis) | .133 (.048)** | .129 (.045)** | .007 (.002)** | ||
| Gist/verbatim constructs | |||||
| Knowledge | .412 (.049)*** | .549 (.046)*** | .008 (.003)** | −.015 (.004)*** | −.017 (.004)*** |
| Categorical risk perception | .104 (.040)* | .282 (.037)*** | −.005 (.002)* | ||
| Recognition of warning signals | .604 (.068)*** | .932 (.063)*** | .006 (.006) | −.018 (.009)* | −.027 (.008)*** |
| Global risk perception | −.099 (.077) | −.008 (.071) | −.012 (.004)** | ||
| Global benefit perception | .081 (.065) | .009 (.060) | .004 (.003) | ||
| Gist principles | .712 (.223)** | .288 (.208) | −.014 (.019) | −.064 (.028)* | −.060 (.026)* |
| Specific risk perception | −.015 (.044) | −.044 (.041) | .003 (.003) | ||
| Quantitative risk perception | 1.85 (1.16) | .648 (1.07) | −.053 (.064) | ||
Note. Cells contain parameter estimate (standard error). All estimates are adjusted for baseline score on the outcome, age, gender, ethnicity, and state where the curriculum was administered.
*
p<.05,
**
p<.01,
***
p<0.001.