Table 3.

Coverage of the reference confidence interval for imputed means

Missing Data Approach	Coverage Proportion	Variance of Bootstrapped Sample
Complete cases	0.15	0.088
Mean imputation	0.15	0.088
LOCF	0	0.381
EM imputation	0.83	0.206
Regression imputation	0.17	0.105
NORM	0.43	3.027
MICE	0.71	0.622
SPSS MI	0.23	0.093
Amelia II	0.96	0.205