Independent and Combined Associations of Physical Activity, Sedentary Time, and Activity Intensities With Perceived Stress Among University Students: Internet-Based Cross-Sectional Study

Shu Ling Tan   ^{1 *} , PhD ;   Malte Jetzke   ^{1 *} , PhD ;   Vera Vergeld   ^{2 *} , PhD ;   Carsten Müller   ^{3, 4 *} , PhD

¹ Department for Social Sciences of Sport, Institute for Sport and Exercise Science, University of Münster, Münster, Germany

² Department of Sport and Exercise Psychology, Institute for Sport and Exercise Science, University of Münster, Münster, Germany

³ University Sports, University of Münster, Münster, Germany

⁴ Department of Physical Therapy, European University of Applied Sciences, Cologne (Köln), Germany

*all authors contributed equally