Mitigating Feelings of Loneliness and Depression by Means of Web-Based or Print-Based Physical Activity Interventions: Pooled Analysis of 2 Community-Based Intervention Trials

Sonia Lippke   ¹ , PhD ;   Tiara Ratz   ² , PhD ;   Franziska Maria Keller   ¹ , MSc ;   Dennis Juljugin   ³ , BSc ;   Manuela Peters   ⁴ , MSc ;   Claudia Pischke   ^{5 *} , PhD ;   Claudia Voelcker-Rehage   ^{6 *} , PhD

¹ Psychology & Methods, Jacobs University Bremen, Bremen, Germany

² Department of Reproductive Endocrinology, University Hospital Zurich (USZ), University of Zurich (UZH), Zurich, Switzerland

³ Psychology, Universitaet Bremen, Bremen, Germany

⁴ Leibniz Institute for Prevention Research and Epidemiology–BIPS, Bremen, Germany

⁵ Institute of Medical Sociology, Centre for Health and Society, Medical Faculty, Heinrich Heine University Duesseldorf, Duesseldorf, Germany

⁶ Department of Neuromotor Behavior and Exercise, Institute of Sport and Exercise Sciences, University of Muenster, Muenster, Germany

*these authors contributed equally