| Value | Category |
|---|---|
| 1 | Less than 1 hour, market in or near community |
| 2 | 1 hour or more, but less than 2 hours |
| 3 | 2 hours or more, but less than 4 hours |
| 4 | 4 hours or more, but less than 6 hours |
| 5 | 6 hours or more, but less than 12 hours |
| 6 | 12 hours or more |
| 7 | Cannot reach market (e.g. no road) |
| 11 | .A |