| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month ago | 269 |
14.8%
|
| 2 | 1-3 months ago | 263 |
14.5%
|
| 3 | 3-6 months ago | 194 |
10.7%
|
| 4 | 6-12 months ago | 222 |
12.2%
|
| 5 | Longer than 12 months ago or never weighed | 619 |
34.1%
|
| 88 | Unsure | 246 |
13.6%
|
| 99 | Refused | 2 |
0.1%
|