| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 398 |
33.2%
|
| -1 | Don't know | 5 |
0.4%
|
| 1 | Lower | 49 |
4.1%
|
| 2 | Middle | 430 |
35.8%
|
| 3 | Higher | 318 |
26.5%
|