Table C2.

Simulation results under MZINB. Based on 1000 simulation replicates. Est=Avg of the estimates, Bias=median of the percentage bias; Asym.SE=Asymptotical standard error; Emp.SE = Empirical standard error; CP=Coverage Probability

		Complete					Incomplete
Marginalized Mean Comp.	n	Est	Bias	Asym. SE	Emp. SE	CP	Est	Bias	Asy.SE	Emp.SE	CP
βv1 = −0.2	300	−0.202	0.100%	0.082	0.084	94.1%	−0.199	−2.357%	0.084	0.086	93.4%
	500	−0.199	−0.273%	0.064	0.065	94.4%	−0.200	−0.746%	0.065	0.068	93.9%
	1000	−0.200	−0.261%	0.046	0.045	95.2%	−0.198	−1.328%	0.047	0.048	93.9%
βv2 = −0.4	300	−0.402	−0.556%	0.082	0.086	93.3%	−0.400	−0.208%	0.084	0.091	92.7%
	500	−0.399	−0.013%	0.065	0.066	94.1%	−0.397	−0.538%	0.066	0.069	94.0%
	1000	−0.400	0.372%	0.046	0.047	94.6%	−0.399	0.112%	0.047	0.048	94.8%
Zero-Inflation Component
βv1 = −0.5	300	−0.499	−1.279%	0.094	0.107	88.6%	−0.504	0.591%	0.097	0.107	91.0%
	500	−0.501	−0.410%	0.075	0.084	89.4%	−0.505	0.593%	0.079	0.086	90.7%
	1000	−0.499	−0.894%	0.056	0.062	89.6%	−0.501	0.095%	0.058	0.062	93.7%
βv1 = 0.3	300	0.303	−0.203%	0.091	0.101	91.9%	0.294	−3.365%	0.092	0.103	90.0%
	500	0.300	−0.981%	0.071	0.077	92.9%	0.300	−1.319%	0.074	0.081	92.9%
	1000	0.301	0.884%	0.053	0.052	95.0%	0.298	−1.853%	0.053	0.056	93.2%
Missing Component
ξ1 = 0.5	300						0.509	1.418%	0.112	0.116	94.9%
	500						0.504	0.402%	0.086	0.085	95.3%
	1000						0.500	−0.089%	0.060	0.060	95.1%
ξ2 = 1.5	300						1.562	1.683%	0.272	0.272	95.0%
	500						1.558	1.065%	0.212	0.242	95.0%
	1000						1.525	0.343%	0.143	0.158	95.7%