| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 329 |
27.4%
|
| -2 | No answer | 17 |
1.4%
|
| -1 | Don't know | 10 |
0.8%
|
| 1 | Lower | 289 |
24.1%
|
| 2 | Middle | 406 |
33.8%
|
| 3 | Higher | 149 |
12.4%
|