Data
182,214 items of data are available, covering 182,214 participants, encoded using Data-Coding
2554.
Notes
Sleep online question: "During the past month, how often have you had trouble staying awake while driving, eating meals or engaging in social activity?"
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)