Table 5.
Mixed models comparing youth curriculum with a parent intervention component (parent-youth communication or parent-only goal setting) with youth curriculum only in parental monitoring and communication on sex-related matters
| Variables | Communication on sex-related matters | Parental monitoring | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall effect | Dose effect | Overall effect | Dose effect | |||||||||
| β | SE | t | β | SE | t | β | SE | t | β | SE | t | |
| Fixed effect | ||||||||||||
| Intercept | 1.964 | 0.435 | 4.51*** | 1.900 | 0.435 | 4.36*** | 5.194 | 0.279 | 18.65*** | 5.175 | 0.279 | 18.54*** |
| Age | 0.049 | 0.030 | 1.65 | 0.054 | 0.030 | 1.81 | −0.070 | 0.019 | −3.69*** | −0.069 | 0.019 | −3.61*** |
| Gender [male vs. female (ref)] | −0.186 | 0.042 | −4.47*** | −0.187 | 0.041 | −4.49*** | −0.440 | 0.026 | −16.60*** | −0.441 | 0.027 | −16.62*** |
| Intervention groups | ||||||||||||
| BFOOY+CImPACT | 0.240 | 0.077 | 3.12** | 0.131 | 0.050 | 2.59** | ||||||
| a) Parent did not participate | 0.062 | 0.123 | 0.50 | 0.023 | 0.080 | 0.28 | ||||||
| b) Participated once or twice | 0.053 | 0.103 | 0.52 | 0.124 | 0.067 | 1.84 | ||||||
| c) Participated three times | 0.493 | 0.098 | 5.02*** | 0.195 | 0.064 | 3.03** | ||||||
| BFOOY+GFI | 0.032 | 0.081 | 0.40 | 0.139 | 0.053 | 2.64** | ||||||
| d) Parent did not participate | −0.163 | 0.120 | −1.36 | 0.042 | 0.078 | 0.53 | ||||||
| e) Parent participated in GFI | 0.112 | 0.088 | 1.27 | 0.177 | 0.058 | 3.07** | ||||||
| HFLE | 0.061 | 0.076 | 0.79 | 0.062 | 0.076 | 0.81 | 0.116 | 0.050 | 2.29* | 0.116 | 0.050 | 2.30* |
| BFOOY only (ref) | ||||||||||||
| Time | ||||||||||||
| Baseline | 0.085 | 0.053 | 1.60 | 0.085 | 0.053 | 1.60 | 0.158 | 0.036 | 4.44*** | 0.158 | 0.036 | 4.44*** |
| 6-month follow-up | 0.027 | 0.055 | 0.49 | 0.027 | 0.055 | 0.49 | 0.098 | 0.037 | 2.67** | 0.098 | 0.037 | 2.67** |
| 12-month follow-up | −0.052 | 0.055 | −0.94 | −0.052 | 0.055 | −0.94 | 0.012 | 0.037 | 0.34 | 0.012 | 0.037 | 0.34 |
| 18-month follow-up (ref) | ||||||||||||
| Group×Time | ||||||||||||
| BFOOY+CImPACT×Time | 0.083 | 0.023 | 3.68*** | 0.033 | 0.015 | 2.16* | ||||||
| BFOOY+CImPACT(b)×Time | 0.045 | 0.031 | 1.48 | 0.021 | 0.021 | 1.03 | ||||||
| BFOOY+CImPACT(c)×Time | 0.141 | 0.029 | 4.91*** | 0.049 | 0.019 | 2.52* | ||||||
| Random effect | ||||||||||||
| Class† | 0.005 | 0.004 | 1.14 | 0.004 | 0.004 | 1.11 | 0.005 | 0.003 | 1.68* | 0.005 | 0.003 | 1.68* |
| Student (nested within class)† | 0.844 | 0.030 | 28.33*** | 0.842 | 0.030 | 28.31*** | 0.334 | 0.012 | 26.89*** | 0.335 | 0.012 | 26.88*** |
Note: BFOOY= Bahamian Focus on Older Youth; CImPACT= Caribbean Informed Parents and Children Together; GFI=Goal for It; HFLE=Bahamian Health and Family Life Education. BFOOY+CImPACT represents youth assigned to the adolescent sexual risk reduction intervention whose parents were assigned to the communication/sexual risk reduction intervention; BFOOY+GFI represents youth assigned to the adolescent sexual risk reduction intervention whose parents were assigned to the goal-setting intervention; BFOOY (only) represents youth assigned to the adolescent sexual risk reduction intervention whose parents did not receive an intervention; HFLE represents youth who received the school's standard of care and their parents received no intervention.
P<0.05
P<0.01
P<0.001.
z test.
ref=reference.