| Value | Category | Cases | |
|---|---|---|---|
| -3 | INAP; No spouse | 195 |
16.3%
|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 3 |
0.3%
|
| 1 | Lower | 736 |
61.3%
|
| 2 | Middle | 94 |
7.8%
|
| 3 | Higher | 168 |
14%
|