Correlation and pathways of behavioral activation systems mediating physical activity level and depressive symptoms among college students

Table 2 Regression analysis of each variable

Independent variables	B	95%CI		Beta	Coefficient significance test		SE	Collinearity diagnostics
		Lower limit	Upper limit		t-value	P value		Tolerance	VIF
Reward responsiveness	-0.176	-0.268	-0.084	-0.176	-3.766	< 0.001a	0.047	0.980	1.020
Physical activity	-0.116	-0.242	-0.058	-0.116	-3.217	0.001	0.047	0.980	1.020

^aP < 0.001.

Model summary: F = 14.259^a; R = 0.247; R² = 0.061; Adjusted R² = 0.057. VIF: Variance inflation factor; 95%CI: 95% confidence interval.