TABLE 4.

Comparison of unstandardized coefficients and standard errors for the structural model of each SEM iteration¹

	Iteration 1		Iteration 2		Iteration 3		Iteration 4
	Complete cases without weightings (n = 10,574)		Complete cases with weightings (n = 10,574, total sample = 153,038,278)		Imputed complete cases with weightings (n = 10,574, total sample = 153,038,278)		Full dataset with weightings and MI (n = 17,132, total sample = 214,755,655)
	Coefficient	SE	Coefficient	SE	Coefficient	SE	Coefficient	SE
Food security on age	−0.006	0.001	−0.004	0.001	−0.004	0.001	−0.006	0.001
Cotinine on age	−0.475	0.056	−0.540	0.086	−0.569	0.085	−0.544	0.075
Cotinine on food security	8.561	1.219	10.807	2.035	10.63	1.828	9.918	1.407
Depression on age	−0.003	0.001	−0.003	0.001	−0.002	0.001	−0.002	0.000
Cotinine on depression	10.264	1.392	9.719	1.526	9.668	1.696	11.17	1.128
Depression on food security	0.155	0.014	0.180	0.018	0.176	0.018	0.166	0.011

¹All coefficients were statistically significant P < 0.001. MI, multiple imputation; SEM, structural equation modeling.