Data
103,348 items of data are available, covering 103,348 participants.
Some values have special meanings defined by Data-Coding 
584.
| 
| Maximum | 7 |  | Decile 9 | 6 |  | Decile 8 | 5 |  | Decile 7 | 4 |  | Decile 6 | 3 |  | Median | 2 |  | Decile 4 | 2 |  | Decile 3 | 1 |  | Decile 2 | 1 |  | Decile 1 | 1 |  | Minimum | 1 |  |   | 
There are 7 distinct values.Mean = 2.87453Std.dev = 2.002611072 items have value -818 (Prefer not to answer) | 
Notes
Question asked: During the past week, I have found that fatigue interferes with my work, family or social life. 
 
Only asked if Field 120118 was answered yes or Field 120040 was slight, answered moderate or severe. 
 
A low value (e.g. 1) indicates strong disagreement with the statement, whereas a high value (e.g. 7) indicates strong agreement. 
The question in this field was taken from the Krupp Fatigue Severity Scale (FSS), Krupp LB (1989). © Lauren B. Krupp. Reproduced with permission from the author. 
Krupp LB, LaRocca NG, Muir-Nash J, Steinberg AD. The fatigue severity scale. Application to patients with multiple sclerosis and systemic lupus erythematosus. Archives of Neurology. 1989;46(10):1121-1123
Coding 584 defines 1 special value:
- -818 represents "Prefer not to answer"