Mortality and morbidity in a cohort of elderly Parisian managers followed for 14 years

: A randomized sample of 180 male managers, 63-64 years old received a standardized medical examination at the four times of a longitudinal study (1975-78-82-88). The prevalence and incidence rates of principal chronic diseases were evaluated according to ICD-9. The incidence rates of surgery operations and death were calculated. The prevalence and incidence rates of some diseases definitely increase with age. On the contrary, the rates of others diseases declined. The individual differences in morbidity indexes are large and increased with age. The morbidity index is lowest at the beginning of the seventies. Cancers and cardiovascular diseases were respectively the first and second causes of death.