This report presents detailed statistics for the United States on the presence and duration of work disability for the noninstitutional population 18 to 64 years old classified by various demographic, social, and economic characteristics. The statistics are based on the
1970 Census of Population.

The text consists of an introduction and Appendices A through E, which appear after the tables.

Content of the Tables

• Tables 1-6, 8, 9 – duration of work disability
  
• Table 7 – years of school completed
• Tables 10-14 – income and earnings
  

Appendices

• Appendix A. General Information Concerning the Data
  
• Appendix B. Area Classifications
  
• Appendix C. Definitions and Explanations of Subject Characteristics
  
• Appendix D. Accuracy of the Data
  
• Appendix E. Publication and Computer Summary Tape Program

Sample size. All statistics in this report are based on the 5-percent sample inflated to represent the total population (see "Data Collection Procedures" in Appendix A).