Incidence of dementia related to medical, psychological and social risk factors: A longitudinal cohort study during a 25-year period
This study is based on an entire cohort (n = 192) of 67-year-old persons born in 1902 and 1903 and living in a community in Southern Sweden. All subjects participated in interviews, psychological tests, and medical examinations. All contacts with primary health care and social services were recorded, as were death diagnoses. The cohort has been followed since 1969, with nine examinations until age