 income                                                                                                                                                                                    Up to £00,000 (referent)                                                           000 (00.0)      00.0                          0                     0                         0          ref    Over £00,000                                                                       000 (00.0)      00.0                          0.00                  0.00                      0.00       0.00    Don't know/prefer not to say                                                       000 (00.0)      00.0                          0.00                  0.00                      0.00       0.00   Smoking status                                                                                                                                                                                   Ex