on, 0000                                                                                                                                                                                                                                                       0.00    No higher education (referent)                                000 (00.0)        00.0                                                 0                                 0                                   0          ref           0          0          0          ref    Some higher education                                         000 (00.0)        00.0                                                 0.00                              0.00                                0.00       0.00          0.00       0.00       0.00       0.000    Don't know/prefer not to say                                  00 (0.0)          00.0                                                 0.00                              0.00                                0.00       0.00          0.00       0.00       0.00       0.00   