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About SAGE


The Study on global AGEing and adult health (SAGE) is an ongoing program of work to compile comprehensive longitudinal information on the health and well-being of adult populations (n=>40,000) and the aging process. Co-directed by Drs. Somnath Chatterji and Paul Kowal of the World Health Organization (WHO), the core SAGE collects data on adults aged 50 years and older, including a smaller comparison sample of younger adults aged 18–49 years, from nationally representative samples in six countries: China, Ghana, India, Mexico, Russian Federation and South Africa. Data collection involves measurement of an extensive suite of biomarkers from dried blood spots (e.g., C-reactive protein [CRP], Epstein‐Barr virus [EBV] antibodies, hemoglobin, glycated hemoglobin [HbA1c], and HIV), as well as detailed questionnaire, anthropometric, and functional/performance data.

SAGE is also the first longitudinal study to examine patterns and determinants of aging across a broad array of countries (in multiple geographic regions and at different stages of socioeconomic/demographic transition), allowing us to test assumptions about aging that have been based almost exclusively on Western data and models. Furthermore, our commitment to making SAGE data freely available and supporting researchers in study countries has already led to dozens of publications by scientists around the world. A list of these publications can be found at: who.int/healthinfo/sage/articles_sage_wave1/en/

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SAGE is supported by the US National Institute of Aging, Division of Behavioral and Social Research, and the University of Oregon.

About the Eugene Office

The SAGE Eugene office is directed by Dr. Josh Snodgrass and includes a team of University of Oregon researchers who have been actively engaged in publishing on topics such as sleep and cognition (see coverage by NPR and the Huffington Post), physical activity and health, and food insecurity. He and his team have also developed strong working relationships with other laboratories at the University of Washington and other research institutions. University of Oregon researchers have also presented on numerous other analyses of SAGE Wave 1 results, and Dr. Snodgrass assists international collaborators in the publication of results form Wave 1 data. The Eugene office also plays a key role in SAGE’s goal of building lab capacity in the study nations by providing coordination and support for labs in the six SAGE countries. The crucial development of finger-prick dried blood spot assays also takes place at the Eugene office lab.

Study Materials

Blood Spot Collection Protocol: bonesandbehavior.org/dbsprotocol.pdf

C-reactive Protein Video Protocol: youtube.com/watch?v=aq0wmAJ7urc

Apolipoprotein B Video Protocol: youtube.com/watch?v=5wibS39hTWg

Comments or questions? Contact Josh Snodgrass.

This website was created and is maintained by Tyler Barrett.