The PATH Study nicotine dependence questions were developed using various nicotine dependence scales, including the following: Wisconsin Inventory of Smoking Dependence Motives (WISDM (primary and secondary), Hooked on Nicotine Checklist (HONC), Nicotine Dependence Syndrome Scale (NDSS), Diagnostic and Statistical Manual of Mental Disorders (DSM) (risky use, social impairment, impaired control, withdrawal) and Fagerstrom Test for Nicotine Dependence.
The recommended approach to analyze nicotine dependence from the PATH Study data is to count the number of products used and frequency of use:
Identify the type of use you want to analyze (current established use, former established use, current experimental use, in any combination or multiple). Create a new variable that counts up the number of products each respondent uses, according to that definition of use. For example, to create a current established product count variable, add one for each product that the respondent is a current established user of (cigarettes, e-cigarettes, traditional cigars, cigarillos, filtered cigars, pipe, hookah, smokeless tobacco, snus, dissolvable tobacco). Range will be 0-10.
Use the product count variable in combination with the use variables to identify the respondents you need for your analysis. Note: current established e-cigarette users who use two products, the e-cigarette data will be in the extended variables; current established e-cigarette users who use one product, the e-cigarette data will be in the core variables.