P*                                                              (*n* = 000)                                                                                                                    ---------------------------------------------------------- --------------- ----------------------------------------------------- ----------------------------------------------------- ----------   Age                                                                                                                                                                                        ≦ 00/\> 00                                                 00/00           00/00                                                 00/00                                                 0.00    Gender                                                                                                                                                                                     Male/female                                                00/00           00/00                                                 00/00                                                 0.00    Smoking                                                                                                                                                                                    Yes/no                                                     00/00           00/00                                                 00/00                                                 0.00    