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"Variable Name","Variable ID","Variable Description",Version,"dbGaP Mapping" PX760101_Electronic_DeviceType_Ecigarette_Cartridges,PX760101050000,"Does your E-cigarette use cartridges?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_Cartridges_Refillable,PX760101060000,"Can you refill your “E-cigarette” cartridges with “e-liquid”?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_Rechargeable,PX760101020000,"Please think about the E-cigarette you use most of the time. Is your E-cigarette rechargeable?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_Tank,PX760101030000,"Does your E-cigarette use a tank system?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_TankCapacity,PX760101040100,"How many milliliters of e-liquid does your tank system hold?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_TankCapacity_Encoded,PX760101040200,"How many milliliters of e-liquid does your tank system hold?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_Voltage,PX760101070000,"Can you change the voltage on your E-cigarette?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ecigarette_Voltage_Change,PX760101080000,"Do you change the voltage on your E-cigarette?",0,https://www.phenxtoolkit.org/protocols/view/760101 PX760101_Electronic_DeviceType_Ever_Used,PX760101010000,"Which of the following electronic nicotine products have you used? Choose all that apply.",0,https://www.phenxtoolkit.org/protocols/view/760101