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Table 1 Contributing studies (n = 16)

From: Estimating prevalence of subjective cognitive decline in and across international cohort studies of aging: a COSMIC study

Study Abbreviation Country Country income group* Baseline (years) Sample size
Atma Jaya Cognitive & Aging Research ActiveAging Indonesia LMIC 2009 278
Cognitive Function & Ageing Studies CFAS UK HIC 1989–1991 12,457
Einstein Aging Study EAS USA HIC 1993 2154
Epidemiology of Dementia in Central Africa EPIDEMCA Republic of Congo, Central African Republic LIC/LMIC 2011–2012 1867
Etude Santé Psychologique et Traitement ESPRIT France HIC 1999–2001 2190
Invecchiamento Cerebrale in Abbiategrasso Invece.Ab Italy HIC 2010 1280
Korean Longitudinal Study on Cognitive Aging and Dementia KLOSCAD Korea HIC 2009–2012 6430
Leipzig Longitudinal Study of the Aged LEILA75+ Germany HIC 1997 1045
Long-term Research Grant Scheme - Towards Useful Aging LRGS-TUA Malaysia UMIC 2012–2013 2131
Maastricht Aging Study MAAS Netherlands HIC 1993 500
Monongahela Valley Independent Elders Survey MoVIES USA HIC 1987–1989 1276
Personality and Total Health Through Life Project PATH Australia HIC 2001 1965
Sasaguri Genkimon Study SGS Japan HIC 2011 2618
Singapore Longitudinal Ageing Studies II SLASII Singapore HIC 2003 2585
Sydney Memory and Ageing Study SydneyMAS Australia HIC 2005–2007 1037
Zaragoza Dementia Depression Project ZARADEMP Spain HIC 1994 4415
  1. HIC high-income country, LIC low-income country, LMIC lower-middle income country, UMIC upper-middle income country
  2. *According to World Bank classification at year/mean year of baseline assessment