Table 4

Nested mixed models showing effects of added parameters to model fit, North Carolina asbestos textile plants

Model effectsAIC−2 Log likelihoodLikelihood ratio test p value
Intercept only1359413590
Year1153911533<0.001
Year, splines1118411171<0.001
Year, splines, plant1110711089<0.001
Year, splines zone (plant)1038510303<0.001
Year, splines, UJC (zone, plant)1027010132<0.001
  • AIC, Akaike’s information criterion.