TABLE 1.
Multiple Linear Regression (GEEs) Showing the Effect of Preintervention Levels of the Outcome Variable, Time Period and Curriculum, Contact, and Materials Interventions on Knowledge and Attitudes and Social Distance: Regression Coefficients and Robust SEs (n = 416 Youth; n = 1432 Observations for Knowledge and Attitudes; n = 1428 Observations for Social Distance)
| Variables | Knowledge and/or Attitudes | Social Distance | ||
|---|---|---|---|---|
| Equation 1 Unadjusted | Equation 2 Adjusteda | Equation 1 Unadjusted | Equation 2 Adjusteda | |
| Preintervention knowledge and attitudes | 0.514*** (0.037) | 0.502*** (0.037) | — | — |
| Preintervention social distance | — | — | 0.483*** (0.037) | 0.473*** (0.037) |
| Time period (6 mo is reference) | ||||
| 12 mo | 0.006 (0.015) | 0.006 (0.015) | −0.041 (0.023) | −0.041 (0.023) |
| 18 mo | −0.002 (0.016) | −0.002 (0.017) | −0.003 (0.029) | −0.003 (0.029) |
| 24 mo | 0.044* (0.020) | 0.044* (0.020) | −0.103 (0.033) | −0.014 (0.033) |
| Curriculum (1), all other interventions and no interventions (0) | 0.139*** (0.030) | 0.103*** (0.031) | −0.123* (0.049) | −0.103* (0.051) |
| Contact (1), all other interventions and no interventions (0) | 0.002 (0.029) | 0.005 (0.028) | 0.052 (0.048) | 0.049 (0.048) |
| Material (1), all other interventions and no interventions | −0.001 (028) | 0.016 (0.028) | −0.029 (0.050) | −0.044 (0.052) |
—, not applicable.
a
Adjusted for child age, sex, race and/or ethnicity, social desirability score, caregiver education, and whether English was the main language spoken in the home.
*
P < .05.
***
P < .001.