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Table 2 Results from "Home safety intervention" trial.

From: Spatial effects should be allowed for in primary care and other community-based cluster RCTS

     AIC
Model b(Treat) se AIC Difference
Rand Prac + MM -0.0147 0.098 2724.86 0.00
Rand Prac + MM + N/S -0.0098 0.098 2726.27 1.41
Rand Pract + MM + E/W + N/S -0.0095 0.099 2728.27 3.41
Random practa 0.0015 0.140 2735.66 10.80
Random practice + N/S 0.015 0.140 2737.18 12.33
Robust se (pract as cluster) -0.0278 0.136 2761.04 36.18
Ignoring clusteringb -0.0278 0.076 2761.038 36.18
  1. LR test for random effect, model (a) vs model (b): chisquared 2(01) = 27.38 P = 0.0000