Journal of Probability and Statistics / 2012 / Article / Tab 3

Research Article

A Semiparametric Marginalized Model for Longitudinal Data with Informative Dropout

Table 3

Sensitivity analysis for misspecified models under mixed types of dropouts.

TrueFittedProposed 𝛽 1 Proposed 𝛼 1 Proposed 𝛼 2
𝑁 BiasCPBiasCPBiasCP

0 . 2 5 πœ‚ 𝑖 𝛼 1 πœ‚ 𝑖 + 𝛼 2 πœ‚ 𝑖 𝑑 𝑖 𝑗 1000.0090.9460.0140.9560.0020.950
2000.0090.964βˆ’0.0020.9480.0020.968
0 . 2 5 πœ‚ 𝑖 𝑑 𝑖 𝑗 𝛼 1 πœ‚ 𝑖 + 𝛼 2 πœ‚ 𝑖 𝑑 𝑖 𝑗 1000.0050.946βˆ’0.0040.9540.0070.956
2000.0090.9360.0010.956βˆ’0.0070.952
0 . 5 πœ‚ 𝑖 + 0 . 1 πœ‚ 𝑖 𝑑 𝑖 𝑗 𝛼 1 πœ‚ 𝑖 1000.0710.8600.1190.918
2000.0690.7880.1030.896
0 . 2 πœ‚ 𝑖 + 0 . 2 5 πœ‚ 𝑖 𝑑 𝑖 𝑗 𝛼 2 πœ‚ 𝑖 𝑑 𝑖 𝑗 100βˆ’0.0170.9240.0860.850
200βˆ’0.0170.9020.0780.692

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