[Quality of life among aged people the lower limit of the age of elderly people in an epidemiological study in Shirahama-machi, Chiba Prefecture].
To define the lower limit at which old age sets in the author examined life factors of such as religion, school career, family structure, working conditions, health conditions, income and life satisfaction as well as the quality of well-being (activity in daily life and health impairment in the modified Kaplan's Well-being scale) during the month of May 1995. A total of 273 subjects were randomly sampled from the inhabitants aged 50 years and over, in Shirahama-machi, Chiba Prefecture in uniform number of gender and cohort, and then cohort differences in the life factors and the quality of well-being and health impairment were statistically analyzed. The cohort differences were found in the majority of items examined below and over 80 years in males and below and over 70 years in females. This result indicated that the lower limit of old age is 80 years in males and 70 years in females.
Okuda
M
M
Department of Social Welfare, Toyo University.
D000367:Age Factors; D000368:Aged / Q000523:psychology* / Q000706:statistics & numerical data; D000369:Aged, 80 and over; D015331:Cohort Studies; D005260:Female; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male; D011788:Quality of Life