Study Search Results Your query returned 2 results. Series results are grouped under the most relevant study. You can ungroup series results. Use the search box below to revise your search, or start a new search. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. National Health Interview Survey, 1985 (ICPSR 8668) United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Health Statistics 2. Quality of Employment Survey, 1972-1973 (ICPSR 3510) Quinn, Robert P.; Mangione, Thomas W.; Seashore, Stanley E.