: Data-Field 120056

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Data

19,748 items of data are available, covering 19,748 participants.
Some values have special meanings defined by Data-Coding 3018.

Maximum	852
Decile 9	540
Decile 8	420
Decile 7	336
Decile 6	240
Median	216
Decile 4	180
Decile 3	120
Decile 2	72
Decile 1	24
Minimum	1

There are 82 distinct values.
Mean = 247.754
Std.dev = 183.56
1125 items have value -818 (Prefer not to answer)
372 items have value -98 (0 months ago)
1098 items have value -97 (0 years ago)

Notes

Question asked: About how long ago, in months, did those headaches end?

Only asked if Field 120053 was answered yes and Field 120054 was answered zero

Coding 3018 defines 3 special values:

-818 represents "Prefer not to answer"
-98 represents "0 months ago"
-97 represents "0 years ago"

0 Related Data-Fields

There are no related data-fields

2 Resources

Preview	Name	Res ID
	Experience of pain questionnaire description	2718
	Online pain questionnaire screenshot E3a	1371

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