The relationship between COVID-19 stress and test anxiety in art students: the chain mediating roles of intolerance of uncertainty and sleep quality

Table 3 Regression paths of the conceptual model

Variables	Model 1 IU		Model 2 SQ		Model 3 TA
	β	SE	β	SE	β	SE
Gender	-0.05	0.06	0.00	0.06	-0.02	0.05
Only child	-0.05	0.07	0.02	0.08	0.02	0.06
Father’s level of education	0.10	0.04^*	-0.09	0.04	-0.01	0.03
Mother’s level of education	-0.02	0.03	0.13^*	0.04	-0.00	0.03
COVID-19 stress	0.42^***	0.03	0.17^***	0.03	0.31^***	0.03
Intolerance of uncertianty			0.18^***	0.04	0.39^***	0.03
Sleep quality					0.15^***	0.03
R²	0.19		0.09		0.42
F	44.66^***		16.10^***		94.96^***

Notes IU = intolerance of uncertainty, SQ = sleep quality, TA = test anxiety N = 936, ^*p < 0.05, ^**p < 0.01, ^***p < 0.001

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