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Using the Penn State Nicotine Dependence Index (possible range 0–20), #ecig dependence increased slightly through Week 4 and then declined. At all timepoints, ecig dependence was significantly lower than combustible cigarette dependence
26.93
E-Cigarette Dependence Assessment Tools | PDF | Electronic Cigarette
21.55
Abbreviation: PSECDI, Penn State Electronic Cigarette Dependence Index....
24.86
Center for Research on Tobacco and Health | College of Medicine
29.89
Abbreviation: PSECDI, Penn State Electronic Cigarette Dependence Index....
24.13
Abbreviation: PSECDI, Penn State Electronic Cigarette Dependence Index....
22.57
Abbreviation: PSECDI, Penn State Electronic Cigarette Dependence Index....
28.66
