Table 1. Information on the ABOUT™ Toolbox and access to the instruments.

Instrument	Concept of interest (# items)	Context of use	Target population	Accessibility/Publications
Fully developed and validated instruments
Perceived Risk	Health risk (18) Addiction risk (7) Harm to others (2) Social and practical risk scales are currently under development	All TNPs + Cessation	Adult current, former, and never TNP users	Available in PROQOLID™ under ABOUT™–Perceived Risk: https://eprovide.mapi-trust. org/instruments/about-perceived- risk-formally-perceived-risk- instrument-pri 25, 37
Use History	Initiation Cessation Intensity of current and past use	All TNPs	Adult current, former, and never TNP users	Available in PROQOLID™ under Smoking Questionnaire (SQ): https://eprovide.mapi-trust. org/instruments/smoking- questionnaire2 52, 53
Instruments in development
Product Experience	Satisfaction (3) Psychological reward (5) Craving reduction (1) Aversion (2) Enjoyment of respiratory tract sensation (1)	All TNPs Different recall periods	Adult current TNP users	Available in PROQOLID™ in 2019
Dependence	Time to first and last product use (2) Attitudinal evaluation (5) Behavioral evaluation (5)	All TNPs	Adult single or poly-TNP users	Available in PROQOLID™ in 2019
Health and Functioning	Body structure and function Activity Participation Personal factors Environmental factors	All TNPs + Cessation	Adult current and former TNP users	Development initiated in 2018

PROQOLID™, Patient-Reported Outcome and Quality of Life Instruments Database; TNPs, Tobacco and Nicotine Products.