| Value | Category |
|---|---|
| 1 | At home |
| 2 | In the street outside offices/shops |
| 4 | While travelling on public transport |
| 6 | In someone else's home |
| 7 | In the street in a residential area |
| 9 | In some other outdoor area |
| 11 | In a shop or place of business |
| 12 | In an open space like a field or park |
| 88 | Not applicable |
| 99 | Unspecified |