https://www.phenxtoolkit.org | PX030902010000 | PX030902_Smoking_Cessation_Time_Number | | https://www.phenxtoolkit.org | PX030902020000 | PX030902_Smoking_Cessation_Time_Unit | | https://www.phenxtoolkit.org | PX741401050101 | PX741401_Useof_Tobacco_Quitlength_Days | |
https://www.phenxtoolkit.org | PX741401050201 | PX741401_Useof_Tobacco_Quitlength_Months | | https://www.phenxtoolkit.org | PX741401050301 | PX741401_Useof_Tobacco_Quitlength_Years | | https://www.phenxtoolkit.org | PX030804030101 | PX030804_Former_Smoker_Quit_Smoking | |
https://www.phenxtoolkit.org | PX030804030102 | PX030804_Former_Smoker_Quit_Smoking_Units | |