. "Chronic conditions causing activity limitation, United States, July 1963-June 1965" . . . . "Chronic Conditions Causing Activity Limitation - United States-July 1963-June 1965" . . . . . . . "Chronic conditions causing activity limitation, United States, July 1963-June 1965 : statistics on persons with activity limitation caused by specified types of chronic conditions, tabulated by degree of limitation, age, sex, family income, living arrangements, geographic region, and residence. Based on data collected in household interviews during the period July 1963-June 1965" . . . . "Statistics" . . . . "Chronic Disease epidemiology United States." . . . .