: Data-Field 30444

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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 mins past midnight.

Maximum	1410
Decile 9	570
Decile 8	510
Decile 7	495
Decile 6	480
Median	465
Decile 4	450
Decile 3	420
Decile 2	410
Decile 1	375
Minimum	0

There are 245 distinct values.
Mean = 495.503
Std.dev = 175.159
9836 items above graph maximum of 765
826 items have value -3 (Prefer not to answer)

Notes

Sleep online question: "During the past month, what time have you usually got up in the morning?"

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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