Inclusion criteria:
- Diagnosis of dementia according to the ICD-10 classification or the Diagnostic and Statistical Manual of Mental Disorders (DSM) IV or V
- 65 years of age or older
- Mild to moderate dementia, as associated with tMMSE ≥15
- Ability to read and write
- Hearing and vision that are sufficiently good to work in a group setting
- Capacity to give consent for participation in the study
- Proficient in the language in which the intervention is provided
- Care partner willing to participate
Exclusion criteria:
- A diagnosis of alcohol or drug abuse
- Lewy body dementias, Fronto-temporal lobar degeneration or Semantic dementia
- A limited life expectancy due to any terminal disease or other serious illness, other than dementia
- Chemotherapy or radiation treatment ongoing at enrolment
- Currently participating in health promotion or self-management group