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55,982 items of data are available, covering 55,982 participants.
Some values have special meanings defined by Data-Coding 584
- There are 91 distinct values.
- Mean = 5.11899
- Std.dev = 11.5819
- 2346 items above graph maximum of 24
- 861 items have value -818 (Prefer not to answer)
Question asked: On how many days in the past 3 months did you have a headache of any severity? If a headache lasted more than 1 day, count each day.
Only asked if Field 120053 was answered yes
Coding 584 defines 1 special value:
- -818 represents "Prefer not to answer"
0 Related Data-FieldsThere are no related data-fields