| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 0 |
0%
|
| 1 | nil | 145 |
16.7%
|
| 2 | low | 228 |
26.2%
|
| 3 | moderate | 263 |
30.2%
|
| 4 | high | 234 |
26.9%
|
| 98 | don't know | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|