TABLE 6.-Average annual number of bed-disability days and number of beddisability days per person per year for persons 45 years and older by family income, sex, and age: United States, July 1957-June 1959

TABLE 7.—Average annual number of bed-disability days, and bed-disability days per person per year for persons 45 years and older by major activity, sex, and age: United States, July 1957-June 1959

TABLE 8.—Prevalence of selected chronic conditions among persons 45 years and older by age and sex: United States, July 1957–June 1959

TABLE 9.-Number and percent distribution of selected chronic conditions among persons 45 years and older by medical attention and age: United States, July 1957-June 1959

TABLE 10.-Number and percent distribution of selected chronic conditions among persons 45 years and older according to degree of chronic activity limitation caused by the condition by age: United States, July 1958-June 1959

*Magnitude of sampling error precludes showing separate estimates. NOTE. Since the estimates shown in this table are based on single years of data collection, the standard errors are 1.25 times the standard errors shown in appendix I of source.