The National Social Life, Health, and Aging Project (NSHAP) is a longitudinal, population-based study of health and social factors, aiming to understand the well-being of older, community-dwelling Americans by examining the interactions among physical health and illness, medication use, cognitive function, emotional health, sensory function, health behaviors, social connectedness, sexuality, and relationship quality. This study is conducted by a team of researchers from several academic institutions, led by the University of Chicago, and is funded by NIA and National Opinion Research Center (NORC) at the University of Chicago. The study has two stages. The first stage was conducted between 2005 and 2006 and collected data from 3,005 adults aged 57-85 nationally. The second stage was conducted between 2010 and 2011, including 1,400 participants from the first stage.
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