 years old                                                                                                            Never exposed to venipuncture (00)        0 (0--0)            0 (0--0)                                                \<0.0000   Previously exposed to venipuncture (00)   0 (0--0)            0 (0--0)                                                0.0000   *p-values*                                0.00                0.00                                                      **Notes.**  