1. Organisation for Economic Cooperation and Development. Health at a Glance 2013: OECD Indicators. OECD Publishing; 2013.
2. World Health Organization. Ageing and Health. Available from: https://www.who.int/news-room/fact-sheets/detail/ageing-and-health. Accessed May 12, 2023.
3. Longitudinal data resource from the Wellbeing of Older People cohort of people aged >50 years in Uganda and South Africa from 2009 to 2019
4. Prevalence of depression and anxiety in older users of formal Dutch intellectual disability services
5. Organization WH. World Health Organization. WHO Study on global AGEing and adult health (SAGE). Available from: https://www.who.int/data/data-collection-tools/study-on-global-ageing-and-adult-health. Accessed January 22, 2024.