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Digital Dementia Registry Bavaria (digiDEM Bayern): a Multicentre, Prospective, Longitudinal Register Study Including People With Mild Cognitive Impairment and Dementia as Well as Their Family Caregivers (digiDEM Bayern)

20. Juli 2026 aktualisiert von: University of Erlangen-Nürnberg Medical School

Digital Dementia Registry Bavaria (digiDEM Bayern)

Around 57 million people worldwide live with dementia, with approximately 10 million new cases diagnosed each year. By the end of 2023, around 1.8 million people were living with dementia in Germany, the majority of whom were over 65 years of age (1.7 million). In Bavaria, around 257,000 people were living with dementia in 2023. Providing care and support for these people in the future is one of the biggest challenges not only for the healthcare system, but also for society as a whole. This is particularly true when it comes to caring for people with dementia in rural areas.

The Digital Dementia Registry Bavaria (digiDEM Bayern) is a health outcomes research project that aims to improve understanding of the clinical complexity, long-term progression, and care situation of dementia.

digiDEM Bayern is a multicenter longitudinal study conducted in all administrative districts of Bavaria. Participants from both urban and rural areas are included. Participants are people with mild cognitive impairment (MCI) and people with mild to moderate dementia (defined according to ICD-10: F06.7, F00-F03) who are cared for at home by their family caregivers, as well as the family caregivers themselves.

Prior to study enrollment, participants with cognitive impairments are assessed for their suitability for the study using brief cognitive tests (Mini Mental State Examination, Montreal Cognitive Assessment). Participants are then interviewed at several points in time (baseline, after 6 months, after 12 months, annually) on the basis of standardized, face-to-face interviews. Participation is voluntary. As part of the informed consent process, participants will be informed about the project in advance and asked to consent to participate in the study.

Participants are recruited in all administrative districts in Bavaria. Participants are recruited and surveyed through institutions that are active in counseling, care, diagnosis, treatment, and care for people with dementia, including counseling facilities, care groups, and residential communities, as well as outpatient (memory clinics, outpatient care services, general practitioners and specialists), inpatient (acute care hospitals, district clinics, geriatric rehabilitation facilities) and semi-inpatient (geriatric day clinics, day care facilities) institutions.

Studienübersicht

Status

Rekrutierung

Bedingungen

Studientyp

Beobachtungs

Einschreibung (Geschätzt)

5000

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Name: Peter L. Kolominsky-Rabas, Univ.-Prof. Dr. med.
Telefonnummer: +49 9131 85-35855
E-Mail: peter.kolominsky-rabas@fau.de

Studienorte

Deutschland
- - Aschaffenburg, Deutschland, 63739
    - Rekrutierung
    - Klinikum Aschaffenburg-Alzenau
    - Kontakt:
      
      Jan Dorr, Dr. med.
      
      Telefonnummer: +49 6021 32-3062
      
      E-Mail: geriatrie@klinikum-ab-alz.de
  - Bad Aibling, Deutschland, 83043
    - Rekrutierung
    - Schön Klinik Bad Aibling
    - Kontakt:
      
      Klaus Jahn, Prof. Dr.
      
      Telefonnummer: +49 8061 903-0
      
      E-Mail: kljahn@schoen-klinik.de
  - Bad Neustadt an der Saale, Deutschland, 97616
    - Rekrutierung
    - RHÖN-KLINIKUM Campus Bad Neustadt
    - Kontakt:
      
      Renate Weinhardt
      
      Telefonnummer: +49 9771 66-24335
      
      E-Mail: renate.weinhardt@campus-nes.de
  - Bayreuth, Deutschland, 95445
    - Rekrutierung
    - Klinikum Bayreuth
    - Kontakt:
      
      Thomas Tümena
      
      Telefonnummer: +49 921 400-6680
      
      E-Mail: thomas.tuemena@klinikum-bayreuth.de
  - Coburg, Deutschland, 96450
    - Rekrutierung
    - Klinikum Coburg, Regiomed Zentrum für Altersmedizin
    - Kontakt:
      
      Johannes Kraft, Prof. Dr. med.
      
      Telefonnummer: +49 9561 22-7304
      
      E-Mail: johannes.kraft@klinikum-coburg.de
  - Freyung, Deutschland, 94078
    - Rekrutierung
    - Kliniken Am Goldenen Steig
    - Kontakt:
      
      Thomas Motzek-Noé, Dr. med.
      
      Telefonnummer: +49 8551 977-1160
      
      E-Mail: KD@frg-kliniken.de
  - München, Deutschland, 80335
    - Rekrutierung
    - Marion von Tessin Memory-Zentrum
    - Kontakt:
      
      Eva Demmel
      
      Telefonnummer: +49 89 21 54321-0
      
      E-Mail: e.demmel@mvt-zentrum.de
  - München, Deutschland, 80804
    - Rekrutierung
    - Schön Klinik München Schwabing
    - Kontakt:
      
      Jürgen Herzog, Dr.
      
      Telefonnummer: +49 89 36087-132
      
      E-Mail: jherzog@schoen-klinik.de
  - Neumarkt, Deutschland, 92318
    - Rekrutierung
    - Klinikum Neumarkt
    - Kontakt:
      
      Martin Ritt, Prof. Dr. med. habil. Dr. med.
      
      Telefonnummer: +49 9181 420-3076
      
      E-Mail: martin.ritt@klinikum.neumarkt.de
  - Nuremberg, Deutschland, 90419
    - Rekrutierung
    - Klinikum Nürnberg
    - Kontakt:
      
      Lea Bräuer
      
      Telefonnummer: +49 911 398-3943
      
      E-Mail: gedaechtnissprechstunde@klinikum-nuernberg.de
  - Regensburg, Deutschland, 93053
    - Rekrutierung
    - Klinik und Poliklinik für Psychiatrie Regensburg
    - Kontakt:
      
      Stefan Werner, Dr. med.
      
      Telefonnummer: +49 941 941-1221
      
      E-Mail: gedaechtnis-psy-r@medbo.de
  - Rosenheim, Deutschland, 83022
    - Rekrutierung
    - Böhm-Peters - Praxis für Psychiatrie, Psychotherapie und Neurologie
    - Kontakt:
      
      Henning Peters, Dr. Dr. med.
      
      Telefonnummer: +49 8031 2213-000
      
      E-Mail: sbp@kns-rosenheim.de

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

Kind
Erwachsene
Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Probenahmeverfahren

Nicht-Wahrscheinlichkeitsprobe

Studienpopulation

Participants are recruited and surveyed through institutions that are active in counseling, care, diagnosis, treatment, and care for people with dementia, including counseling facilities, care groups, and residential communities, as well as outpatient (memory clinics, outpatient care services, general practitioners and specialists), inpatient (acute care hospitals, district clinics, geriatric rehabilitation facilities) and semi-inpatient (geriatric day clinics, day care facilities) institutions

Beschreibung

Inclusion Criteria:

People with an MMSE score of 24-30 points and an additional MoCA score of 0-23 points
People with an MMSE score of 15-23 points
Living in a home environment
All types of MCI and dementia according to the ICD-10 classification (F06.7, F00-F03)
Main residence in Bavaria
All age groups

Exclusion Criteria:

People with an MMST score of 24-30 points and an additional MoCA score of 24-30 points
People with an MMST score of 0-14 points
Permanent residence in a nursing home
Psychiatric diagnoses (among others depression, schizophrenia, addiction)
Deafness and/or blindness
Aphasia

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

Anzahl der Gruppen / Kohorten

Kohorten und Interventionen

Gruppe / Kohorte
People with cognitive impairments People with mild cognitive impairment and people with dementia
Family caregivers Family caregivers of the people with cognitive impairments

Was misst die Studie?

Primäre Ergebnismessungen

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

University of Erlangen-Nürnberg Medical School

Mitarbeiter

Universitätsklinikum Erlangen

Medical Valley EMN e. V.

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Nützliche Links

Official project website

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

10. August 2020

Primärer Abschluss (Geschätzt)

31. Dezember 2031

Studienabschluss (Geschätzt)

31. Dezember 2031

Studienanmeldedaten

Zuerst eingereicht

8. Juli 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

20. Juli 2026

Zuerst gepostet (Tatsächlich)

23. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

23. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

20. Juli 2026

Zuletzt verifiziert

1. Juni 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

253_20 B
G42d-G8300-2017/1606-1110 (Andere Zuschuss-/Finanzierungsnummer: Bavarian State Ministry of Health, Care and Prevention)
DRKS00038679 (Registrierungskennung: German Clinical Trials Register)

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

Beschreibung des IPD-Plans

Researchers who wish to use data from digiDEM Bayern must submit a request to the scientific project management. The scientific project management retains the final authority to decide on access to and use of data and ensures that it is used only for scientific purposes and in the public interest. An application for access may only be submitted by researchers from Germany or other countries where the European Union's General Data Protection Regulation (GDPR) applies.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

Ergebnis Maßnahme	Maßnahmenbeschreibung	Zeitfenster
Geschlecht Zeitfenster: Grundlinie		Grundlinie
Ausbildung Zeitfenster: Grundlinie		Grundlinie
Religion Zeitfenster: Baseline		Baseline
Alter Zeitfenster: Grundlinie	In Jahren	Grundlinie
Postal code Zeitfenster: Baseline		Baseline
Country of birth Zeitfenster: Baseline		Baseline
Parents' country of birth Zeitfenster: Baseline		Baseline
Most often spoken language in the household Zeitfenster: Baseline		Baseline
Vocational training Zeitfenster: Baseline		Baseline
Employment status Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Marital status Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Number of children Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	in general and those, who live in the same household	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Number of persons living in the household Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Relationship between the person with cognitive impairment and the family caregiver Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Living arrangements Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Which kind of living arrangement (own home environment, assisted living, shared apartment, others) and who are the people, who live in this arrangement (family caregiver, spouse, children, siblings, others)	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Powers of attorney and guardianship Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Existence of a power of attorney for health care, a living will, and legal guardianship (Vorsorgevollmacht, Patientenverfügung, gesetzliche Betreuung)	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Severe disability Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Does a person with cognitive impairments have a severe disability? (according to German law)	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Name of the health insurance company Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Monthly net income Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	in Euro and in categories (e.g. 0-1000€)	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Use of care leave Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Time of onset of the first symptoms Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	as date	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Dementia diagnosis Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	according to ICD-10	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Time of diagnosis Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	as date	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Age at the time of diagnosis Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Person, who initiated the diagnostic evaluation Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Facility, where the diagnosis was made Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Specialist who made the diagnosis Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Charlson Comorbidity Index (CCI) Zeitfenster: Baseline	Total Score Range: 0-32 (without dementia), higher values indicate a worse (greater) comorbid disease burden, data collected only at memory-clinics	Baseline
Risk factors Zeitfenster: Baseline	data collected only at memory-clinics	Baseline
Measures that were used for diagnostic evaluation Zeitfenster: Baseline	medical history, imaging, laboratory diagnostics, specific measures, data collected only at memory-clinics	Baseline
Consortium to Establish a Registry for Alzheimer's Disease (CERAD) Zeitfenster: Baseline	Higher values indicate better cognitive performance, data collected only at memory-clinics	Baseline
Mini Mental State Examination (MMSE) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Total Score Range: 0-30, higher values indicate better cognitive performance	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Montreal Cognitive Assessment (MoCA) Zeitfenster: Baseline	Total Score Range: 0-30, higher values indicate better cognitive performance	Baseline
Barthel-Index Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Total Score Range: 0-100, higher values indicate better functional independence (less disability)	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Neuropsychiatric Inventory (NPI) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	12 domains, each frequency (1-4) × severity (1-3), Total Score Range: 0-144, higher values indicate worse (more/severe) neuropsychiatric symptoms	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Number of falls requiring treatment in the last six months Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Tendency to wander Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Is the person with cognitive impairment trying to run away from home?	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Resource Utilization in Dementia (RUD) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Dementia Assessment of Service Needs (DEMAND) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
EuroQoL 5D (EQ-5D) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Total Score Range: -0.661 to 1, higher values indicate a better health-related quality of life	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Lubben Social Network Scale (LSNS) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Total Score Range: 0-60, higher values indicate a better social network/less social isolation	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Sources of information on health topics Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Internet, TV/ radio, books, courses and lectures, newspaper and magazines, family, friends and collegues, pharmacies, healthcare professional, others (measured on a Likert scale, from unimportant to very important)	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Last time, the internet was used Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	in categories	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Average internet usage over the past three months Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Devices that were used to access the internet Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Purposes for using the Internet Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Reasons for non-use of the internet Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months		Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Mobility Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Possession of a driver's licence and active participation in traffic	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Burden Scale for Family Caregivers (BSFC) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Total Score Range: 0-30, higher values indicate a worse (greater) caregiver burden	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Benefits of Being a Caregiver Scale (BBCS) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Total Score Range: 0-50, higher values indicate a better (more) perceived benefits from caregiving	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months
Short Form 12 Health Survey (SF-12) Zeitfenster: Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months	Physical health and mental health summary scores, Total Score Range: 0-100, norm based scoring, higher values indicate a better physical/mental health status	Baseline, after 6 months, after 12 months, after 24 months, after 36 months, after 48 months, after 60 months, after 72 months, after 84 months, after 96 months, after 108 months, after 120 months

Digital Dementia Registry Bavaria (digiDEM Bayern): a Multicentre, Prospective, Longitudinal Register Study Including People With Mild Cognitive Impairment and Dementia as Well as Their Family Caregivers (digiDEM Bayern)