Table 3.

Model equation for the linear regression of booster shot support.

Model		Unstandardized Coefficients BStd. Error		Standardized Coefficients Beta	t	Sig.
1	(Constant)	1.299	0.251		5.170	<0.001
	Build_immunity	0.712	0.056	0.646	12.666	<0.001
2	(Constant)	1.038	0.244		4.251	<0.001
	Build_immunity	0.557	0.062	0.505	9.048	<0.001
	Testing	0.252	0.050	0.282	5.053	<0.001
3	(Constant)	0.964	0.242		3.988	<0.001
	Build_immunity	0.521	0.062	0.473	8.422	<0.001
	Testing	0.204	0.052	0.229	3.938	<0.001
	Outside_US	0.123	0.044	0.153	2.796	0.006
4	(Constant)	1.526	0.330		4.622	<0.001
	Build_immunity	0.490	0.063	0.445	7.831	<0.001
	Testing	0.165	0.054	0.185	3.080	0.002
	Outside_US	0.119	0.043	0.148	2.745	0.007
	Pharma	−0.110	0.044	−0.133	−2.466	0.014
5	(Constant)	1.522	0.327		4.649	<0.001
	Build_immunity	0.473	0.062	0.429	7.566	<0.001
	Testing	0.165	0.053	0.185	3.101	0.002
	Outside_US	0.131	0.043	0.163	3.017	0.003
	Pharma	−0.117	0.044	−0.142	−2.641	0.009
	Asian	0.217	0.099	0.104	2.194	0.029