Data
182,220 items of data are available, covering 182,220 participants, encoded using Data-Coding
2557.
Notes
Sleep online question: "During the past month, how much of a problem has it been for you to keep up enough enthusiasm to get things done?"
The question in this field was taken from the Pittsburgh Sleep Quality Index.
The Pittsburgh Sleep Quality Index: A New Instrument for Psychiatric Practice and Research (Authors Daniel J. Buysse, Charles F. Reynolds III, Timothy H. Monk, Susan R. Berman, and David J Kupfer, © University of Pittsburgh 1989 and 2010. All Rights Reserved)