Table 2.

Hierarchical regression results predicting COVID-19 vaccination intentions

Variable	b	b 95% CI [LL, UL]	b (SE)	ß	t	R2	Difference
Block 1						0.058***
Constant	2.93***	[2.49, 3.37]	0.22
Age	0.03***	[0.02, 0.03]	0.00	0.20
Female	− 0.24*	[− 0.44, − 0.05]	0.10	− 0.07
Non-binary	− 0.21	[− 0.90, 0.47]	0.35	− 0.02
Other Gender	0.13	[− 0.55, 0.82]	0.35	0.01
Education Level	0.08	[0.01, 0.15]	0.04	0.06
Political Ideology	− 0.20***	[− 0.30, − 0.10]	0.05	− 0.10
Block 2
Constant	0.12	[− 0.29, 0.53]	0.21			0.457***	∆R2 = 0.40***
Age	0.01	[− 0.00, 0.01]	0.00	0.04
Female	− 0.06	[− 0.20, 0.09]	0.08	− 0.02
Non-binary	-0.01	[− 0.53, 0.51]	0.27	− 0.00
Other gender	0.14	[− 0.38, 0.66]	0.27	0.01
Education level	0.01	[− 0.05, 0.06]	0.03	0.01
Political ideology	− 0.13***	[− 0.21, − 0.06]	0.04	− 0.07
Descriptive norms	0.25***	[0.15, 0.35]	0.05	0.11
Injunctive norms	0.22***	[0.14, 0.29]	0.04	0.16
Subjective norms	0.46***	[0.40, 0.51]	0.03	0.47
Block 3
Constant	0.39	[− 0.40, 1.17]	0.40		0.97	0.462***	∆R2 = 0.004***
Age	0.01	[− 0.00, 0.01]	0.00	− 0.01	1.88
Female	− 0.05	[− 0.20, 0.10]	0.07	0.00	− 0.70
Non-binary	0.01	[− 0.51, 0.53]	0.26	0.01	0.05
Other gender	0.13	[− 0.39, 0.65]	0.26	0.04	0.48
Education level	0.01	[− 0.05, 0.06]	0.03	0.01	0.28
Political ideology	− 0.13***	[-0.20, − 0.06]	0.04	− 0.07	− 3.49
Descriptive norm	0.13	[− 0.15, 0.41]	0.14	0.06	0.93
injunctive norm	0.52***	[0.24, 0.80]	0.14	0.40	3.67
Subjective norm	0.08	[− 0.16, 0.32]	0.12	0.09	0.68
Descriptive norm X Injunctive norm	− 0.10*	[− 0.18, − 0.01]	0.04	− 0.36	− 2.18
Descriptive norm X Subjective norm	0.12***	[0.05, 0.20]	0.04	0.55	3.38
Injunctive norm X Subjective norm	− 0.00	[− 0.03, 0.03]	0.01	− 0.01	− 0.12

B,unstandardized regression coefficient; ß, standardized regression coefficient; CI, confidence interval; LL and UL indicate the lower and upper limits of a confidence interval, respectively. b represents unstandardized regression weights.

*p < 0.05. **p < 0.01. ***p < 0.001.