The sex, occupation, and pedigree charts of 57 centenarians in Shangha
i City were investigated. There were 10 (17.5%) males and 47 (82.5%) f
emales. Of the males, 4 were office workers (40%) and 6 were manual wo
rkers (60%). Among the females, 1 was an office worker (2.1%), 3 were
manual workers (6.4%) and 43 were housewives (91.5%). Forty of the cen
tenarians (70.2%) belonged to long-lived families, 17 (29.8%) did not.
The age of centenarians' spouses influenced the mortality and age of
their sons and daughters.