Table 3. Variables associated with S1-specific IgG and neutralizing Ab of BNT162b2 mRNA vaccine in multivariate analysis.

Variables			BNT162b2 mRNA 1st dose (n=35)					BNT162b2 mRNA 2nd dose (n=35)
			Standardized β	p-value	Standardized β	p-value	R2	Standardized β	p-value	Standardized β	p-value	R2
Log S1-specific IgG
	Age		−0.08	0.69	−0.07	0.74		0.12	0.56	0.16	0.42
	Female sex		0.08	0.68	0.08	0.71		0.07	0.75	0.04	0.86
	Occupation
		Doctor	Ref	Ref	Ref	Ref		Ref	Ref	Ref	Ref
		Nurse	−0.08	0.71	−0.09	0.66		−0.10	0.62	−0.08	0.68
	Local reaction after each dose (sum of symptom score)		−0.06	0.77	-	-	0.02	0.03	0.89	-	-	0.03
	Systemic reaction after each dose (sum of symptom score)		-	-	0.02	0.91	0.01	-	-	0.19	0.33	0.06
Log 50% neutralizing Ab
	Age		−0.02	0.93	0.03	0.87		−0.15	0.45	−0.14	0.49
	Female sex		0.04	0.86	0.009	0.96		0.16	0.45	0.16	0.45
	Occupation
		Doctor	Ref	Ref	Ref	Ref		Ref	Ref	Ref	Ref
		Nurse	0.05	0.82	−0.01	0.96		0.05	0.81	0.05	0.80
	Local reaction after each dose (sum of symptom score)		−0.10	0.60	-	-	0.01	0.03	0.88	-	-	0.08
	Systemic reaction after each dose (sum of symptom score)		-	-	0.18	0.35	0.03	-	-	0.05	0.81	0.08

Ref, reference value.