rcent distribution of persons 45 years and older according to chronic of activity by age and family income: United States, July 1957–June TABLE 4.-Percent distribution of persons 45 years and older according to chronic limitation of activity by age and major activity: United States, July 1957–June 1959 TABLE 5.-Average number and percent distribution of persons 65 years and older according to chronic limitation of mobility by sex and family relationship: United States, July 1957-June 1959 |