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. Author manuscript; available in PMC: 2023 Sep 27.
Published in final edited form as: J Community Psychol. 2023 Apr 10;51(7):2861–2886. doi: 10.1002/jcop.23047

TABLE 5.

Parameter estimates and incidence rate ratios of GLMM evaluating effects of time, condition, and time-by-condition interaction on sexual violence victimization (overall).

Incidence rate ratios (IRRs)

Variable Estimate SE P Low IRR High
Intercept −3.67 0.69 <0.001 - - -
Covariates
 % free or reduced-price lunch 0.00 0.01 0.884 0.98 1.00 1.02
 % minority students 0.00 0.01 0.723 0.98 1.00 1.01
 School Type (ref: Public)
 Charter −0.04 0.73 0.952 0.23 0.96 3.98
 Private −0.16 0.64 0.796 0.24 0.85 2.96
 # of students 0.00 0.00 0.647 1.00 1.00 1.00
Focal predictors
 Time (ref: Baseline)
 2 Months 2.15 0.29 <0.001 4.85 8.55 15.06
 6 Months 1.82 0.28 <0.001 3.55 6.15 10.63
 Condition (ref: Control) 0.14 0.39 0.722 0.54 1.15 2.47
Focal interaction
 2 Months × Condition −0.32 0.39 0.420 0.34 0.73 1.57
 6 Months × Condition −0.64 0.39 0.099 0.25 0.53 1.13
Simple slopes (Condition)
 Condition @ 2 Months −0.18 0.42 0.673 0.37 0.84 1.91
 Condition @ 6 Months −0.50 0.39 0.205 0.28 0.61 1.31
Simple slopes (Time)
 2 Months @ Intervention 1.83 0.27 <0.001 3.70 6.23 10.49
 6 Months @ Intervention 1.18 0.26 <0.001 1.94 3.25 5.44

Abbreviation: GLMM, generalized linear mixed model.