NCT03183817 .

Methods	Study design: unknown centres; open‐label, parallel individual randomised controlled trial in Sweden Duration: 104 weeks Setting: hospital
Participants	Population: 224 adults recruited from hospital in Sweden Baseline characteristics: unknown Inclusion criteria: diagnosis COPD and/or CHF, listed at a primary care centre in Narhalsan, understands written and spoken Swedish Exclusion criteria: no registered address, impairment preventing use of eHealth support, SPMSQ score > 6, expected survival < 12 months from disease, alcohol or drug abuse, other disease interfering with follow‐up, participating in a conflicting randomised study
Interventions	Measurements taken at baseline and at 3, 6, 12, and 24 months Treatment arms Use of computer/phone/tablet to access the eHealth platform to document health status
Outcomes	Primary outcomes: change in self‐efficacy Secondary outcomes: number of admissions, health care use, self‐efficacy scale, incremental cost‐utility ratio, EQ‐5D, HADS, shortness of breath in heart failure questionnaire, CAT, MRC
Notes	Funding: Goteborg University Other identifier: NCT03183817; PROTECT