Table 4.

Multiple regression analysis of associated factors of food safety practices score

Variable	β value	Standard β value	P value
Age	–0·008	–0·080	0·003
Gender
Male	–	–	–
Female	−0·015	−0·006	0·749
Education background
High school or below	–	–	–
Associate degree	–0·132	–0·066	0·110
Bachelor degree	–0·239	–0·125	0·002
Master degree and above	–0·505	–0·147	<0·001
With medical background or not
No	–	–	–
Yes	0·110	0·043	0·060
Medical history
No	–	–	–
Yes	–0·236	–0·063	0·001
Attention to COVID-19
Basically not involved	–	–	–
3–5 times/week, <20 min/time	0·259	0·126	0·022
<20 min/d	0·308	0·146	0·006
20–40 min/d	0·385	0·152	0·001
40–60 min/d	0·308	0·077	0·017
1–2 h/d	0·454	0·123	<0·001
More than 2 h/d	0·422	0·105	0·001
Attention to nutrition and immunity knowledge
No attention	–	–	–
Passive attention	0·554	0·284	<0·001
Active attention	0·549	0·198	<0·001
Place of residence during COVID-19 outbreak
First-tier cities	–	–	–
Other cities	−0·124	−0·065	<0·001