Table 7.

Factors associated with food security before and during COVID-19 outbreak and its’ difference using multinomial regression model in Tehran province.

Variable	VIF	Before COVID-19		During COVID-19		Parameter difference (P-value)
		Coefficient	Z	Coefficient	Z
Household head	2.63	−0.005	−0.31	0.004	2.64∗∗∗	0.710
Size of household	2.21	−0.057	−9.50∗∗∗	0.014	0.84	0.321
Head occupation status	1.95	0.166	30.69∗∗∗	0.059	6.04∗∗∗	0.002
Household income	1.58	0.116	3.70∗∗∗	0.150	2.77∗∗∗	0.041
Personal saving	1.56	0.399	4.97∗∗∗	0.251	2.70∗∗∗	0.421
Number of employed members	1.52	−0.175	−1.07	0.356	1.02	0.623
Number of educated members	1.47	−0.231	−6.96∗∗∗	−0.387	−14.31∗∗∗	0.132
Number of subsidy recipient members	1.44	−0.283	−4.88∗∗∗	−0.098	−5.08∗∗∗	0.001
Mother’s occupation status	1.43	0.167	44.4∗∗∗	0.022	0.33	0.254
Number of disease members	1.34	−0.073	−0.38	−0.108	−5.59∗∗∗	0.049
Number of male children	1.29	0.045	0.73	0.468	23.45∗∗∗	0.523
Number of female children	1.24	0.014	0.32	−0.287	−28.94∗∗∗	0.141
Head’s educational status	1.19	−0.231	−6.69∗∗∗	−0.087	−1.81	0.032
Home status	1.17	0.014	0.21	−0.219	−59.32∗∗∗	0.001
Gender of head	1.14	−1.36	−1.98∗∗	−0.647	−18.15∗∗∗	0.161
Nutrition knowledge	1.11	0.324	4.65∗∗∗	0.340	27.99∗∗∗	0.001
Constant	1.27	0.380	1.08	−0.777	−0.59	-

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