Type ofStatistics Inter-wave intervals
  1998 – 2000 2000 – 2002 2002 – 2004 2004 – 2006 2006 – 2008
  Predicted death rates generated from the full mixed-effects model
Death rate 0.075 0.169 0.259 0.294 0.254
Standard error 0.043 0.087 0.119 0.128 0.118
  Predicted death rates generated from the retransformation method
Death rate 0.075 0.168 0.258 0.291 0.252
Standard error 0.043 0.086 0.118 0.128 0.117
  Predicted death rates generated from the best linear unbiased predictor
Death rate 0.064 0.146 0.227 0.257 0.221
Standard error 0.012 0.024 0.034 0.037 0.034
  Predicted death rates generated from the reduced fixed-effects model
Death rate 0.073 0.152 0.220 0.238 0.194
Standard error 0.002 0.003 0.005 0.005 0.008
Note: Except the first model, all other methods in Table 2 are based on "reduced" (misspecified) models.
Table 2: Predicted inter-waves death rates and standard errors at five longitudinal intervals from 1998 to 2008: AHEAD longitudinal survey (N=7,480).