Categories


Lifestyle

Measures of lifestyle, behavior, and activity

Subcategories

Life space measures

Measures of life space

Life space Distance traveled from home in daily life

Cognitive 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
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

Driving

Measures of driving status and frequency

Licensed to drive Currently licensed to drive
Driving status Driving in past 12 months
Driving frequency Days driven in a typical week

Physical activity and BMI

Participation in physical activity including exercise and leisure activities

BMI Body mass index
Physical activity (5 items) Hours of physical activity in late life - Sum of 5 items

Social engagement

Engagement in social activities with others

Social activity - late life Frequency of participation in social activity in late life
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

Alcohol and tobacco use

Consumption of alcohol and tobacco

Alcohol use Grams of alcohol used per day at baseline
Lifetime daily alcohol intake Self-reported lifetime daily alcohol intake - baseline
Smoking Smoking status at baseline

Variables listed in another category

Average daily activity per active hour From Actigraphy
Average daily inactivity From Actigraphy
Average total daily activity From Actigraphy