| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 430 |
35.2%
|
| -2 | No answer | 6 |
0.5%
|
| -1 | Don't know | 1 |
0.1%
|
| 1 | Lower | 91 |
7.4%
|
| 2 | Middle | 320 |
26.2%
|
| 3 | Higher | 375 |
30.7%
|