Table 7.

Multivariable logistic regression analysis on factors significantly associated with preventive measures toward COVID-19.

Explanatory variable		Odds ratio (CI 95%)	P-value
Outcome: Preventive measures
Wash hand frequently
Education level	≤High school	[1] Reference
	Bachelor degree	1.75(1.15–2.66)	0.009
	Master/Ph.D./above	4.15(1.67–10.33)	0.002
Occupation	Other residents	[1] Reference
	HCWs	1.90(1.17–3.09)	0.010
Use face mask
Occupation	Other residents	[1] Reference
	HCWs	1.55(0.99–2.43)	0.055
Avoid personal contact with infected peoples
Education level	≤High school	[1] Reference
	Bachelor degree	2.08(1.21–3.59)	0.008
	Master/Ph.D./above	1.41(0.57–3.50)	0.457
Avoid travel to infected area or country
Education level	≤High school	[1] Reference
	Bachelor degree	2.01(1.29–3.16)	0.002
	Master/Ph.D./above	1.43(0.69–2.96)	0.334
Avoid purchasing things made in China
Education level	≤High school
	Bachelor degree	0.64(0.43–0.95)	0.028
	Master/Ph.D./above	0.26(0.11–0.62)	0.002

P < 0.05 is considered statistically significant, HCWs, health care workers (including doctors, nurses, and pharmacist), other residents: including employed, unemployed, and students.