All categories: Actigraphy | Affect and Personality | ApoE and TOMM40 | Blood Measures | Brain Proteins | Clinical Diagnosis | Cognition | Cultural Experiences | Decision Making and Behavioral Economics | Demographics | Depression | Digital Pen Device | Disabilities | Female Reproductive History | Frailty | Lifestyle | Medical Conditions | Medicare Claims | Medications | Metabolism | Metabolomics | Motor and Gait | Neck, Low Back and Joint Pain | Neuroimaging | Nutrition | Olfaction | Pathology | Pulmonary Function | Sleep and Circadian Rhythms | SES and Cognitive Resources | Vision | Well-being
Currently filtering using: All categories and variables
Measures of lifestyle, behavior, and activity
Exposure to cognitively stimulating activities, across different stages of life
Cognitive activity - late life | Frequency of participation in cognitively stimulating activity in late life - Average of 7 items |
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Cognitive activity - middle age | Frequency of participation in cognitively stimulating activity in middle (adult) age - Average of 9 items |
Cognitive activity - young adult | Frequency of participation in cognitively stimulating activity as a young adult - Average of 10 items |
Cognitive activity - childhood | Frequency of participation in cognitively stimulating activity in childhood - Average of 11 items |
Cognitive activity - lifetime (total) | Frequency of participation in cognitively stimulating activity in lifetime - Average of 4 subscales |
Measures of driving status and frequency
Licensed to drive | Currently licensed to drive |
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Driving status | Driving in past 12 months |
Driving frequency | Days driven in a typical week |
Participation in physical activity including exercise and leisure activities
BMI | Body mass index |
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Physical activity (5 items) | Hours of physical activity in late life - Sum of 5 items |
Engagement in social activities with others
Social activity - late life | Frequency of participation in social activity in late life |
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Social network size | Size of social network based on the number of children, family, and friends seen at least once a month |
Loneliness | Perceived social isolation (loneliness) |
Perceived social support | Multidemensional Scale of Perceived Social Support - Average of 4 items |
Perceived discrimination | Self-reported frequency of discrimination |
Consumption of alcohol and tobacco
Alcohol use | Grams of alcohol used per day at baseline |
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Lifetime daily alcohol intake | Self-reported lifetime daily alcohol intake - baseline |
Baseline smoking status (3-level) | Smoking status at baseline (never, former, current smoker) |
Average daily activity per active hour | From Actigraphy |
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Average daily inactivity | From Actigraphy |
Average total daily activity | From Actigraphy |