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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: J Exp Psychol Gen. 2014 Apr 28;143(4):1627–1648. doi: 10.1037/a0036717

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.