TABLE 3B.

(B) Simulation study for the outcome model generated using multiple mediators without latent class

Model used in analysis		NIE				NDE
		Estimate	SD	Bias	SE	Estimate	SD	Bias	SE
(B)
Observed multiple mediator model	No interaction	−6.82	1.09	−0.57	0.01	3.06	1.69	0.57	0.02
	Four Ai-Zim interactions	−7.01	1.19	−0.76	0.01	3.25	1.74	0.76	0.02
	All six pairwise Zim two-way interactions	−6.25	1.10	−0.01	0.01	2.50	1.71	0.01	0.02
	Zi1–Zi3 & Zi2–Zi3 interactions (TRUE)	−6.25	1.24	−0.01	0.01	2.50	1.80	0.01	0.02
	Zi1–Zi2 & Zi1–Zi3 interactions	−6.72	1.11	−0.46	0.01	2.96	1.70	0.46	0.02
Latent class mediator model		−6.35	1.34	−0.10	0.01	2.60	1.89	0.10	0.02

True indirect effect = −6.25. True direct effect = 2.50.