Table 8.

Factors associated with dietary diversity score due to COVID-19 outbreak using multinomial regression model in Tehran province.

Variable	VIF	Before COVID-19		During COVID-19		Parameter difference (P-value)
		Coefficient	Z	Coefficient	Z
Age of head of household	2.80	0.007	5.25∗∗∗	0.067	3.66∗∗∗	0.010
Size of household	2.53	−0.178	−2.81∗∗∗	−4.70	−11.41∗∗∗	0.021
Head occupation status	2.02	0.214	10.00∗∗∗	2.61	2.88∗∗∗	0.002
Household income	1.95	−0.087	−0.72	−0.125	−0.30	0.141
Personal saving	1.62	−0.229	−2.56∗∗	1.33	2.91∗∗∗	0.421
Number of employed members	1.53	−0.149	−1.55	1.05	2.72∗∗∗	0.623
Number of educated members	1.51	0.037	2.26∗∗	1.10	5.04∗∗∗	0.032
Number of subsidy recipient members	1.48	−0.732	−5.25∗∗∗	−1.45	−15.54∗∗∗	0.001
Mother’s occupation status	1.46	0.100	1.31	−0.436	−0.81	0.254
Number of disease members	1.44	−0.347	−18.42∗∗∗	−0.058	−0.32	0.049
Number of male children	1.43	0.018	0.67	0.903	1.61	0.523
Number of female children	1.39	0.106	1.97∗∗	1.20	5.15∗∗∗	0.041
Head education status	1.33	−0.316	−2.46∗∗	−0.412	−1.22	0.032
Home status	1.19	0.417	2.95∗∗∗	−0.148	−0.62	0.001
Gender of head	1.14	−1.41	−4.10∗∗∗	−1.39	−1.82	0.161
Nutrition knowledge	1.13	0.286	11.86∗∗∗	−0.175	−1.37	0.001
Constant	1.09	3.71	2.25∗∗	4.22	1.37	-

∗, ∗∗, ∗∗∗: Significant at 10%, 5%, and 1%, respectively.