. 2021 Nov 30;12:720911. doi: 10.3389/fpsyg.2021.720911

TABLE 2.

Association among online learning variables and mental health impact (n = 5,558).

Variables	n (%)		Depression				Anxiety				stress
		n (%)	R ²	AR²	OR	95% CI	R ²	AR²	OR	95% CI	R ²	AR²	OR	95% CI
Satisfaction with teacher preparations
	Dissatisfied	115 (2.07)	0.037	0.052	4.181^**	2.843-6.148	0.034	0.046	3.626^**	2.475-5.313	0.016	0.027	4.796^**	3.288-6.996
	General	1452 (26.12)			2.295^**	2.029-2.597			2.204^**	1.950-2.493			1.643^**	1.411-1.912
	Satisfied	3991 (71.81)			Ref.				Ref.				Ref.
Online learning time (hour)
	0–2	520 (9.36)	0.017	0.023	2.418^**	1.961-2.982	0.013	0.018	1.984^**	1.611-2.443	0.008	0.013	2.094^**	1.632-2.686
	2-	1126 (20.26)			1.537^**	1.298-1.820			1.498^**	1.268-1.770			1.423^**	1.149-1.763
	4-	2648 (47.64)			1.085	0.939-1.255			1.004	0.871-1.158			1.068	0.885-1.288
	≥ 6	1264 (22.74)			Ref.				Ref.				Ref.
Satisfaction with online learning effects
	Dissatisfied	785 (14.12)	0.021	0.029	2.354^**	1.986-2.790	0.015	0.021	2.081^**	1.758-2.462	0.022	0.036	3.093^**	2.537-3.771
	General	2656 (47.79)			1.667^**	1.473-1.886			1.502^**	1.330-1.696			1.396^**	1.185-1.644
	Satisfied	2117 (38.09)			Ref.				Ref.				Ref.

**P-value < 0.001. R², R-squared; AR², Adjusted R-squared; CI, Confidence interval.