Improving Heart and Metabolic Health in People With Severe Mental Illness Through a Long-term Clinical Trial

Inclusion criteria 1. Adults ≥18 years of age meeting the International Classification of Diseases, Tenth Revision (ICD-10) diagnostic criteria for any one of the schizophrenia spectrum disorders (F20-F25 or F28-F29) 2. Ability to provide informed consent Exclusion criteria 1. Having an electrical medical implant such as a pacemaker or other mechanical implants 2. Pregnancy 3. Deemed unsuitable by the investigator: A person may be deemed unsuitable for participation if circumstances prevent safe or reliable participation in the trial. Examples include inability or unwillingness to maintain contact with the clinic (e.g., absence of a stable address or telephone number), planned relocation or transfer to another treatment facility, municipality, or country during the trial period, mobility limitations or other practical barriers preventing attendance at clinic visits, or administrative restrictions preventing appropriate documentation in medical records or trial databases (e.g., protected or anonymous identity status). Such decisions are made on an individual basis in consultation with the clinical team (case manager (CM), treating psychiatrist, and site principal investigator (PI)) to ensure patient safety and trial integrity. 4. Prior participation in the LAGOM trial during a previous inclusion cycle (i.e., participants can only be included once during the trial period). 5. Currently under compulsory care.