Effectiveness and cost-effectiveness of personalised dietary advice aiming at increasing protein intake on physical functioning in community-dwelling older adults with lower habitual protein intake: rationale and design of the PROMISS randomised controlled trial

• Ilse Reinders,
• Hanneke A H Wijnhoven,
• Satu K Jyväkorpi,
• Merja H Suominen,
• Riikka Niskanen,
• Kristien S Fluitman,
• Michel C A Klein,
• Lothar D Kuijper,
• Laura M van der Lubbe,
• Margreet R Olthof,
• Kaisu H Pitkälä,
• Rachel Vijlbrief

Affiliations

Ilse Reinders

Department of Health Sciences, Faculty of Science, and the Amsterdam Public Health research institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Hanneke A H Wijnhoven

Department of Health Sciences, Faculty of Science, and the Amsterdam Public Health research institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Satu K Jyväkorpi

Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland

Merja H Suominen

Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland

Riikka Niskanen

Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland

Kristien S Fluitman

Department of Internal Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Public Health research institute, Amsterdam UMC, Amsterdam, The Netherlands

Michel C A Klein

Department of Computer Science, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Lothar D Kuijper

Department of Health Sciences, Faculty of Science, and the Amsterdam Public Health research institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Laura M van der Lubbe

Department of Computer Science, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Margreet R Olthof

Department of Health Sciences, Faculty of Science, and the Amsterdam Public Health research institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands

Kaisu H Pitkälä

Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland

Rachel Vijlbrief

Department of Health Sciences, Faculty of Science, and the Amsterdam Public Health research institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands