Ashwin Kotwal

Jan 11, 2024 | agsjournals.onlinelibrary.wiley.com | Irena S. Cenzer |John Boscardin |Ashwin Kotwal |Matthew Miller

INTRODUCTION The health and retirement study is a longitudinal, nationally representative study of older adults that has been collecting data since 1992.1 Participants are selected using a multistage probability sampling design and surveyed every two years in topics ranging from health, to finances, to cognition and physical function.