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. Author manuscript; available in PMC: 2018 Dec 12.
Published in final edited form as: J Stat Plan Inference. 2010 Nov;140(11):3252–3262. doi: 10.1016/j.jspi.2010.04.020

Table 4.

95% confidence interval coverage (95CI) and Type-I error rate (TE) of Wald test in a three class LC model for testing H0 : β1= 0, where β1= 0, β2= 0, pr(X1=1)=0.5 and pr(X2=1)=0.5 for 1:1 matched study with n=200, 1000 simulations.

CCA
 MI
 EM
 LLMI
 LCMI-2
 LCMI-3
 LCMI-4
95CI TE 95CI TE 95CI TE 95CI TE 95CI TE 95CI TE 95CI TE
Pr(Missing=10%)
    MCARa 0.94 0.04 0.94 0.04 0.91 0.07 0.94 0.05 0.95 0.04 0.95 0.03 0.95 0.04
    MAR(Y)b 0.93 0.05 0.94 0.04 0.92 0.07 0.94 0.05 0.95 0.04 0.95 0.03 0.95 0.02
    MAR(X2)c 0.94 0.03 0.95 0.05 0.91 0.08 0.94 0.05 0.96 0.04 0.96 0.03 0.95 0.03
    MAR(Y,X2)d 0.94 0.05 0.94 0.03 0.90 0.08 0.95 0.03 0.94 0.04 0.95 0.03 0.96 0.04
    MNAR(X1)e 0.95 0.04 0.94 0.03 0.91 0.06 0.96 0.04 0.96 0.03 0.95 0.02 0.95 0.03
    MNAR(X1,X2)f 0.95 0.04 0.95 0.04 0.91 0.07 0.94 0.05 0.95 0.05 0.96 0.03 0.96 0.03
    MNAR(X1,Y)g 0.95 0.04 0.95 0.04 0.91 0.06 0.96 0.03 0.96 0.04 0.96 0.03 0.97 0.03
Pr(Missing=30%)
    MCARa 0.95 0.06 0.95 0.06 0.83 0.15 0.96 0.05 0.96 0.06 0.95 0.04 0.95 0.05
    MAR(Y)b 0.95 0.03 0.93 0.06 0.84 0.18 0.95 0.05 0.94 0.05 0.95 0.04 0.94 0.04
    MAR(X2)c 0.94 0.05 0.94 0.05 0.79 0.18 0.95 0.04 0.95 0.04 0.95 0.03 0.95 0.03
    MAR(Y,X2)d 0.95 0.07 0.95 0.05 0.83 0.18 0.93 0.06 0.94 0.05 0.94 0.04 0.92 0.05
    MNAR(X1)e 0.95 0.04 0.96 0.04 0.83 0.19 0.96 0.05 0.96 0.04 0.97 0.03 0.96 0.03
    MNAR(X1,X2)f 0.96 0.04 0.95 0.04 0.84 0.16 0.95 0.04 0.96 0.05 0.97 0.04 0.96 0.03
    MNAR(X1,Y)g 0.92 0.07 0.93 0.07 0.78 0.20 0.93 0.08 0.92 0.07 0.91 0.08 0.92 0.08
Pr(Missing=50%)
    MCARa 0.96 0.05 0.94 0.06 0.74 0.27 0.93 0.06 0.95 0.05 0.95 0.05 0.93 0.07
    MAR(Y)b 0.97 0.03 0.94 0.08 0.73 0.32 0.92 0.07 0.93 0.06 0.94 0.05 0.93 0.06
    MAR(X2)c 0.96 0.04 0.93 0.06 0.70 0.28 0.91 0.04 0.93 0.06 0.94 0.05 0.94 0.05
    MAR(Y,X2)d 0.96 0.05 0.94 0.05 0.71 0.25 0.91 0.05 0.93 0.06 0.93 0.05 0.93 0.06
    MNAR(X1)e 0.97 0.03 0.93 0.07 0.73 0.30 0.94 0.06 0.94 0.05 0.94 0.04 0.93 0.05
    MNAR(X1,X2)f 0.96 0.05 0.94 0.07 0.74 0.28 0.95 0.05 0.95 0.04 0.95 0.02 0.94 0.05
    MNAR(X1,Y)g 0.95 0.05 0.93 0.07 0.67 0.33 0.92 0.08 0.90 0.08 0.91 0.07 0.88 0.09
a

missing completely at random.

b

missing at random conditional on Y.

c

missing at random conditional on X2.

d

missing at random conditional on Y,X2.

e

missing not at random conditional on X1.

f

missing not at random conditional on X1,X2.

g

missing not at random conditional on X1,Y.