0, 0.0)     0.0 (0.0, 0.0)   −0.0 (−0.0, 0.0)   **Area-level SEP at census regions**                                                                                    Proportion of professional workers§                                                                                       Q0 (affluent)                                        0.0 (0.0, 0.0)           \-          0.0 (0.0, 0.0)          \-     Q0 (middle)                                          0.0 (0.0, 0.0)    −0.0 (−0.0, 0.0)   0.0 (0.0, 0.0)    0 (−0.0, 0.0)     Q0 (poor)                                            0.0 (0.0, 0.0)    −0.0 (−0.0, 0.0)   0.0 (0.0, 0.0)   −0.0 (−0.0, 0.0)   Proportion of production or transportation workers§                                                                       Q0 (affluent)                                        0.0 (0.0, 0.0)           \-          0.0 (0.0, 0.0)          \-     Q0 (middle)                                          0.0 (0.0, 0.0)    −0.0 (−0.0, 0.0)   0.0 (0.0, 0.0)   −0.0 (−0.0, 0.0)     Q0 (poor)                                            0.0 (0.0, 0.0)    −0.0 (−0.0, 0.0)   0.0 (0.0, 0.0)   −0.0 (−0.0, 0.0)  