From: Time-varying SMART design and data analysis methods for evaluating adaptive intervention effects
Parameter estimation | ||||
β 12 | β 23 | β 32 | ||
(first-stage interventions A 1) | (second-stage interventions for non-responders A 2NR ) | (time of intervention T 2) | ||
True value | 0.450 | 0.40 | 2.0 | |
Joint model | Estimate | 0.456 | 0.441 | 1.767 |
MSE | 0.013 | 0.017 | 0.168 | |
CI% | 95.6 % | 95.6 % | 93.6 % | |
Length of CI | 0.482 | 0.536 | 1.452 | |
TVMEM | Estimate | 0.388 | 0.439 | 4.046 |
MSE | 0.016 | 0.017 | 4.297 | |
CI% | 94.0 % | 96.0 % | 0.0 % | |
Length of CI | 0.489 | 0.547 | 1.442 |