Exploring the Effects of Variety and Amount of Mindfulness Practices on Depression, Anxiety, and Stress Symptoms: Longitudinal Study on a Mental Health–Focused eHealth System for Patients With Breast or Prostate Cancer

Francesca Malandrone   ¹ , PsyD, PhD ;   Sara Urru   ² , PhD ;   Paola Berchialla   ¹ , PhD ;   Pierre Gilbert Rossini   ¹ , PsyD ;   Francesco Oliva   ^{1, 3} , MD ;   Silvia Bianchi   ⁴ , PsyD ;   Manuel Ottaviano   ⁵ , PhD ;   Sergio Gonzalez-Martinez   ⁵ , PhD ;   Vladimir Carli   ⁶ , MD, PhD ;   Gaetano Valenza   ⁴ , PhD ;   Enzo Pasquale Scilingo   ⁴ , PhD ;   Sara Carletto   ^{1, 3 *} , PsyD, PhD ;   Luca Ostacoli   ^{1, 7, 8 *} , MD

¹ Department of Clinical and Biological Sciences, University of Turin, Orbassano, Italy

² Department of Cardiac, Thoracic, Vascular Sciences and Public Health, Unit of Biostatistics, University of Padova, Padova, Italy

³ Clinical Psychology Unit, University Hospital Città della Salute e della Scienza di Torino, Turin, Italy

⁴ School of Engineering, Research Center, University of Pisa, Pisa, Italy

⁵ Life Supporting Technologies, Universidad Politécnica de Madrid, Madrid, Spain

⁶ Department of Learning, Informatics, Management and Ethics, National Centre for Suicide Research and Prevention of Mental Ill-Health, Karolinska Institute, Stockholm, Sweden

⁷ Department of Psychology, University of Turin, Turin, Italy

⁸ Psychology Unit, ASL TO5, Turin, Italy

*these authors contributed equally