Description: Used to record the time before bed that a participant last uses a screen
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 | I use them in bed |
| 2 | Less than 1 hour |
| 3 | 1-2 hours |
| 4 | 2-3 hours |
| 5 | 3 hours or longer |
| Field ID | Description | Category |
|---|---|---|
| 30479 | How long before bedtime use a device such as a computer, mobile phone, etc. | Lifestyle routines |
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