: Data-Field 30437

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Data

46,543 items of data are available, covering 46,543 participants.
Some values have special meanings defined by Data-Coding 2552.
Units of measurement are mins past midnight.

Maximum	1410
Decile 9	480
Decile 8	450
Decile 7	425
Decile 6	420
Median	400
Decile 4	390
Decile 3	360
Decile 2	360
Decile 1	330
Minimum	0

There are 207 distinct values.
Mean = 428.28
Std.dev = 157.124
79 items below graph minimum of 180
1936 items above graph maximum of 630
4229 items have value -4 (Varies significantly)
485 items have value -3 (Prefer not to answer)

Notes

Sleep online question: "On workdays in the past month, what time did you typically wake-up? (By 'wake up' we mean your final awakening time before getting up for the day)?"

Question was asked when Field 30430 or Field 30431 was No - I worked standard hours or Yes - I worked evening shifts or Yes - I worked morning shifts or Yes - I worked night shifts or Yes - I worked rotating shifts or had irregular hours

Coding 2552 defines 2 special values:

-4 represents "Varies significantly"
-3 represents "Prefer not to answer"

2 Related Data-Fields

Field ID	Description	Relationship
30430	Worked a non-standard shift schedule ...	Field 30430 determines whether data is present for Current Field
30431	Worked a non-standard shift schedule ...	Field 30431 determines whether data is present for Current Field

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