Representative sample of person 30 years of age or older residing in Long Beach, or in nearby cities within Los Angeles, Riverside, San Bernadino, and Orange counties.
Data Collection Event
Fifth follow-up of participants. Measures: Memory, Working memory,Reasoning, Spatial Reasoning, Vocabulary, Health questionnaire, Activity questionnaire. N= 644(131 of panel 2 and 513 participants of panel 3)