: Data-Field 30443

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Data

182,220 items of data are available, covering 182,220 participants.
Some values have special meanings defined by Data-Coding 100584.
Units of measurement are minutes.

Maximum	535
Decile 9	90
Decile 8	60
Decile 7	45
Decile 6	30
Median	30
Decile 4	20
Decile 3	15
Decile 2	15
Decile 1	10
Minimum	0

There are 105 distinct values.
Mean = 40.2283
Std.dev = 44.8958
3424 items above graph maximum of 170
2837 items have value -3 (Prefer not to answer)

Notes

Sleep online question: "During the past month, how long has it usually taken you to fall asleep each night?"

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)

Coding 100584 defines 1 special value:

-3 represents "Prefer not to answer"

0 Related Data-Fields

There are no related data-fields

1 Resource

Preview	Name	Res ID
	Online sleep questionnaire screenshot Quality1-Quality4	2284

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