APPENDIX III-HEALTH STATUS TABLE 1.-Percent distribution of persons 45 years and older according to chronic limitation of activity by age and residence: United States, July 1957-June 1959 Source: This and all tables in this appendix from Health Statistics from U.S. national health survey, "Older Persons: selected health characteristics," September 1960. Data are based on household interviews during July 1957-June 1959. Data refer to the civilian noninstitutional population of the United States. Detailed figures may not add to totals due to rounding. The survey design, general qualifications, and information on the reliability of the estimates are given in app. I of source. Definitions of terms are given in app. II. |