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"Variable Name","Variable ID","Variable Description",Version,"dbGaP Mapping" PX161101_Age_First_Used_Needle,PX161101030000,"How old were you when you first used a needle to inject any drug not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_Age_First_Used_Needle_Coded,PX161101030100,"How old were you when you first used a needle to inject any drug not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_Drug_Treatment_Program,PX161101070000,"Have you ever been in a drug treatment or drug rehabilitation program?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_HowLong_Since_Injected_Drugs_Units,PX161101040200,"How long ago has it been since you last used a needle to inject a drug not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_How_Long_Since_Injected_Drugs,PX161101040000,"How long ago has it been since you last used a needle to inject a drug not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_How_Long_Since_Injected_Drugs_Coded,PX161101040100,"How long ago has it been since you last used a needle to inject a drug not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_How_Many_Times_Injected_Drugs,PX161101050000,"During your life, altogether how many times have you injected drugs not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_How_Often_Injected,PX161101060000,"Think about the period of your life when you injected drugs the most often. How often did you inject then?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_Used_Needle_To_Inject_Drugs,PX161101010000,"Have you ever, even once, used a needle to inject a drug not prescribed by a doctor?",0,https://www.phenxtoolkit.org/protocols/view/161101 PX161101_Which_Drugs_Injected,PX161101020000,"Which of the following drugs have you injected using a needle?",0,https://www.phenxtoolkit.org/protocols/view/161101