Which Frail Older Patients Use Online Health Communities and Why? A Mixed Methods Process Evaluation of Use of the Health and Welfare Portal

Peter Makai   ¹ , MSc, PhD ;   Marieke Perry   ¹ , MD, PhD ;   Sarah HM Robben   ² , MD, PhD ;   Henk Schers   ¹ , MD, PhD ;   Maud Heinen   ¹ , RN, PhD ;   Marcel GM Olde Rikkert   ¹ , MD, PhD ;   René JF Melis   ¹ , MD, PhD

¹ Radboud University Medical Center, Radboud Institute for Health Sciences, Nijmegen, Netherlands

² Jeroen Bosch Hospital, Department of Internal Medicine, 's-Hertogenbosch, Netherlands