Description: Frequency scale in days, weeks, months including Do not know and Not applicable
This is a flat (unstructured) list which uses integers to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
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| Coding | Meaning |
|---|---|
| -3 | Prefer not to answer |
| -2 | Not applicable |
| -1 | Do not know |
| 1 | Almost every day |
| 2 | 3-4 times per week |
| 3 | 1-2 times per week |
| 4 | 1-2 times per month |
| 5 | Rarely or never |
| Field ID | Description | Category |
|---|---|---|
| 30566 | Frequency of stopping breathing during sleep | Sleep disturbances |
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