TY - JOUR A1 - Abraham, Katharine G. A1 - Maitland, Aaron A1 - Bianchi, Suzanne M. T1 - Nonresponse in the American time use survey: Who is missing from the data and how much does it matter? Y1 - 2006 DO - 10.1093/poq/nfl037 JF - The Public Opinion Quarterly VL - 70 IS - 5 SP - 676 EP - -703 ER -