TABLE 9.
Incidence rate ratios (IRRs) | ||||||
---|---|---|---|---|---|---|
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Variable | Estimate | SE | P | Low | IRR | High |
Intercept | −7.28 | 1.48 | 0.000 | - | - | - |
Covariates | ||||||
% free or reduced-price lunch | 0.02 | 0.02 | 0.404 | 0.97 | 1.02 | 1.07 |
% minority students | 0.02 | 0.02 | 0.220 | 0.99 | 1.02 | 1.05 |
School type (ref: Public) | ||||||
Charter | −.22 | 1.57 | 0.156 | 0.01 | 0.11 | 2.34 |
Private | −1.48 | 1.27 | 0.245 | 0.02 | 0.23 | 2.76 |
# of students | 0.00 | 0.00 | 0.711 | 1.00 | 1.00 | 1.00 |
Focal predictors | ||||||
Time (ref: Baseline) | ||||||
2 Months | 3.63 | 0.75 | 0.000 | 8.65 | 37.79 | 165.15 |
6 Months | 2.38 | 0.69 | 0.001 | 2.80 | 10.82 | 41.76 |
Condition (ref: Control) | 0.81 | 0.85 | 0.338 | 0.43 | 2.26 | 11.97 |
Interactions | ||||||
2 Months × Condition | −1.83 | 1.00 | 0.067 | 0.02 | 0.16 | 1.13 |
6 Months × Condition | −0.42 | 0.97 | 0.667 | 0.10 | 0.66 | 4.44 |
Simple slopes (Condition) | ||||||
Condition @ 2 Months | −1.01 | 0.89 | 0.255 | 0.06 | 0.36 | 2.08 |
Condition @ 6 Months | 0.39 | 0.88 | 0.652 | 0.27 | 1.48 | 8.26 |
Simple slopes (Time) | ||||||
2 Months @ Intervention | 1.80 | 0.66 | 0.006 | 1.67 | 6.07 | 22.04 |
6 Months @ Intervention | 1.96 | 0.66 | 0.003 | 1.95 | 7.11 | 25.94 |
Abbreviation: GLMM, generalized linear mixed model.