Table 4

Change in missing data strategy over time

EstimateSEz Valuep Value
Fail0.030.021.380.16
All FU−0.100.09−1.180.24
All FU (some dropout)−0.090.06−1.430.15
Baseline assigned0.470.361.310.19
Censored (end of FU)0.090.033.19<0.01*
LOCF0.060.032.010.045*
Group average0.070.120.620.54
Mean FU points0.070.070.920.36
Other0.050.090.550.59
Sample FU−0.100.02−4.40<0.001*
Interpolation0.330.093.83<0.001*
Unclear0.020.020.940.35
  • Generalised linear model with binary outcome.

  • *p<0.05.

  • LOCF, last observation carried forward.