Table 3.

Multivariate hierarchical linear regression analysis of factors of satisfaction with web-based learning.

Variablesa	Model 1b				Model 2c				Model 3d
	Unstandardized coefficient, B	Standardized coefficient, β	P value	Unstandardized coefficient, B		Standardized coefficient, β	P value	Unstandardized coefficient, B		Standardized coefficient, β	P value
Sex (male: 1 and female: 2)	–0.141	–0.082	.02	–0.121		–0.070	.03	–0.118		–0.069	.03
Academic period	0.038	0.069	.06	0.036		0.066	.053	0.031		0.056	.10
Academic track (DCe: 1 and professional: 2)	–0.128	–0.055	.32	–0.133		–0.057	.28	–0.154		–0.066	.20
Structure (synchronous: 1 and asynchronous: 2)	–0.062	–0.031	.58	–0.058		–0.029	.59	–0.068		–0.034	.52
Self-regulated learning	0.078	0.083	.047	0.078		0.083	.04	0.076		0.080	.046
Learner-learner interaction	0.010	0.011	.78	0.023		0.023	.53	0.009		0.009	.80
Learner-instructor interaction	0.091	0.078	.06	0.097		0.084	.04	0.098		0.084	.03
Learner-content interaction	0.689	0.703	<.001	0.618		0.630	<.001	0.622		0.635	<.001
Perceived risk of COVID-19	N/Af	N/A	N/A	–0.038		–0.045	.18	–0.040		–0.047	.16
Efficacy beliefs of web-based learning on safety	N/A	N/A	N/A	0.161		0.207	<.001	0.154		0.197	<.001
Web-based learning support (none: 0 and otherwise: 1)	N/A	N/A	N/A	N/A		N/A	N/A	0.346		0.103	.001

^aNominal variable consists of two options (eg, male and female), and the numerals represent the values assigned to each option.

^bModel 1: R²=0.64; ΔR²=0.606; P≤.001.

^cModel 2: R²=0.67; ΔR²=0.035; P≤.001.

^dModel 3: R²=0.68; ΔR²=0.010; P=.001.

^eDC: dental college.

^fN/A: not applicable.