PhenX Toolkit. (2022).
Adherence to Medication Regimens. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/331001 PhenX Toolkit. (2021).
Cessation Milestones - Abstinence from Cigarettes. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330101 PhenX Toolkit. (2021).
Heaviness of Smoking Index. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330201 PhenX Toolkit. (2021).
Methods of Quitting Smoking Cigarettes - Adults. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330301 PhenX Toolkit. (2021).
Nicotine Metabolite Ratio - Serum and Saliva. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330401 PhenX Toolkit. (2021).
Perception of Tobacco Product Harm - Cigarettes. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330501 PhenX Toolkit. (2021).
Perception of Tobacco Product Harm - Cigars. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330503 PhenX Toolkit. (2021).
Perception of Tobacco Product Harm - E-Cigarettes. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330502 PhenX Toolkit. (2021).
Perception of Tobacco Product Harm - Pipe Tobacco. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330504 PhenX Toolkit. (2021).
Perception of Tobacco Product Harm - Smokeless Tobacco. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330505 PhenX Toolkit. (2022).
Point-Prevalence Abstinence from Tobacco Products. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330601 PhenX Toolkit. (2022).
Prolonged Abstinence from Tobacco Products. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330701 PhenX Toolkit. (2021).
Self-Efficacy for Not Smoking. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330801 PhenX Toolkit. (2021).
Social Support for Quitting Smoking. Retrieved October 28, 2026, from
https://doi.org/10.82568/phenx_toolkit/330901
Hamilton, C. M., Strader, L. C., Pratt, J. G., Maiese, D., Hendershot, T., Kwok, R. K., Hammond, J. A., Huggins, W., Jackman, D., Pan, H., Nettles, D. S., Beaty, T. H., Farrer, L. A., Kraft, P., Marazita, M. L., Ordovas, J. M., Pato, C. N., Spitz, M. R., Wagener, D., Williams, M., … Haines, J. (2011). The PhenX Toolkit: get the most from your measures. American journal of epidemiology, 174(3), 253–260.
https://doi.org/10.1093/aje/kwr193