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This variable is contained in the following files:
SAS Name
I1W_M_S
Indicates a diagnosis of Multiple Sclerosis - a chronic disease affecting the central nervous system with remissions and relapses of weakness, uncoordination, paresthesis, speed distrubances, and visual disturbances.
| Code | Code value |
|---|---|
| 0 | Unchecked |
| 1 | Checked |
| -1 | Unknown |