Table 4.

Hierarchical multivariable logistic regression predicting the intention to get vaccinated against COVID-19 (N = 462).

Variables	Model 1: demographic and HBM model			Model 2: demographic and TPB model			Model 3: demographic, HBM and TPB
	R 2	OR (95% CI)	P-Value	R 2	OR (95% CI)	P-Value	R 2	OR (95% CI)	P-Value
Block 1: demographic	0.03			0.03			0.03
Religion (No)		0.81 (0.26-2.54)	.723		0.5 (0.13-1.67)	.246		0.3 (0.07-1.12)	.072
Occupation
Worker		1			1			1
Seller(retailer)		0.5 (0.22-1.02)	.055		0.42 (0.19-0.92)	.031		0.3 (0.09-0.68)	.007
Retired/housewife		0.5 (0.19-1.15)	.097		0.9 (0.38-2.22)	.864		0.7 (0.26-1.99)	.518
Gross household income
Poor, near-poor households		1			1			1
Moderate		1.4 (0.54-3.43)	.515		0.9 (0.39-2.54)	.995		0.6 (0.18-1.85)	.351
High		0.5 (0.15-1.33)	.147		0.2 (0.06-0.76)	.016		0.1 (0.02-0.39)	.002
Block 2: HBM	0.30						0.30
Perceived susceptibility and severity		2.3 (1.59-3.34)	.000					4.7 (2.76-7.95)	.000
Perceived benefits		1.8 (1.06-3.11)	.030					1.01 (0.56-1.98)	.994
Perceived barriers		0.5 (0.24-0.84)	.012					0.23 (0.11-0.50)	.000
Cues to action		8.5 (4.99-14.5)	.000					3.0 (1.19-7.65)	.020
Block 3: TPB				0.28			0.39
Attitude					2.5 (1.48-4.19)	.001		1.8 (0.89-3.65)	.099
Subjective norms					3.1 (1.54-6.19)	.002		2.9 (1.25-6.68)	.013
Perceived behavioral control					2.3 (1.39-3.80)	.001		2.1 (0.99-4.34)	.052
Self-efficacy					3.3 (2.01-5.48)	.000		6.6 (3.29-13.2)	.000
Overall model evaluation	χ 2	df	P-Value	χ 2	df	P-Value	χ 2	df	P-Value
Wald test	50.5	7	.000	45.4	7	.000	81.7	11	.000
Hosmer and Lemeshow test goodness of fit test	39.7	8	.000	28.9	8	.0003	4.5	8	.805

Model 1: R² = 0.30 (Cox and Snell); Model 2: R² = 0.28 (Cox and Snell); Model 3: R² = 0.39 (Cox and Snell).