Effectiveness of the Self-Control Module of a Positive Mental Health Promotion Programme for Adult Informal Caregivers of People With Dementia: Protocol for a Randomised Controlled Trial

The primary objective of this study is to evaluate the effectiveness of the self-control module of the Mentis Plus+ Positive Mental Health Promotion Programme for Caregivers (Mentis Plus+ Caregivers), compared with usual care, in improving positive mental health among adult informal caregivers of people with dementia. The secondary objectives are to assess the programme's effectiveness in reducing symptoms of depression, anxiety and stress, as well caregiver burden, compared with usual care.

Inclusion Criteria: * Informal caregivers of non-institutionalised individuals with dementia * Aged 18 years or older * A minimum of four months' experience in the informal caregiving role Exclusion Criteria: * Unable to read and write in Portuguese * Currently participating in another intervention study targeting informal caregivers, or participation in such a study within the past 3 months