Table 3 Log-likelihood's for models 1–4
From: Simple imputation methods were inadequate for missing not at random (MNAR) quality of life data
| Â | Month of assessment | |||
|---|---|---|---|---|
| Â | 12 | 24 | 36 | 48 |
Log-Likelihood | Â | Â | Â | Â |
   L 1 : MCAR fixed covariates | -1680.3 | -1411.6 | -846.3 | -350.8 |
   L 2 : MAR fixed covariates + previous QoL | -1673.9 | -1409.5 | -845.7 | -350.8 |
   L 3 : MNAR fixed covariates + current QoL | -1669.4 | -1406.1 | -843.2 | -350.7 |
   L 4 : MAR fixed covariates + previous QoL + current QoL | -1669 | -1406.1 | -843 | -350.7 |
Change in log-likelihood | Â | Â | Â | Â |
   -2*(L 1 – L 2 ) – test of MAR | 12.8* | 4.2* | 1.2 | 0 |
   -2*(L 1 – L 3 ) – test of MNAR | 21.8* | 11.0* | 6.2* | 0.2 |
   -2*(L 2 – L 4 ) – test of MNAR | 9.8* | 6.8* | 5.4* | 0.2 |