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
Third follow-up of participants. Measures: Memory, Working memory, Reasoning, Spatial reasoning, Vocabulary, Health questionnaire, Activity questionnaire. N=416 (42 participants from the original sample and 374 of the second panel of participants were retested.)