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This variable is contained in the following files:
SAS Name
N1B_AFTERNOON
Identifies those periods of a typical afternoon (over the last seven days) when the patient was awake all or most of the time (not more than one hour nap during any such period).
| Code | Code value |
|---|---|
| 0 | Unchecked |
| 1 | Checked |
| -1 | Unknown |