Relationship between dyspnea, fear, anxiety and depression in patients with mild acute respiratory distress syndrome

Table 4 Results of multivariate regression analysis of fear of dyspnea in patients with mild acute respiratory distress syndrome

Variable	β (95%CI)	Standardize β’	T value	P value	VIF
Constant	18.72 (16.85-20.59)	-	20.37	< 0.001	-
Catastrophizing cognition	0.41 (0.35-0.47)	0.382	13.65	< 0.001	2.12
Oxygenation index	-0.03 (-0.05 to -0.01)	-0.158	3.12	0.002	1.89
Anxiety symptoms	0.29 (0.21-0.37)	0.241	7.33	< 0.001	2.45
Self-efficacy	-0.19 (-0.25 to -0.13)	-0.175	6.08	< 0.001	2.67
Exercise habit	-1.85 (-2.97 to -0.73)	-0.092	3.28	0.001	1.34

VIF: Variance inflation factor; CI: Confidence interval.