PhenX Toolkit. (2026 January 28).
Nicotine Content.
https://www.phenxtoolkit.org/protocols/view/730301 PhenX Toolkit. (2026 January 28).
Physical Properties of Tobacco Products - Cigarettes and Filtered Cigars.
https://www.phenxtoolkit.org/protocols/view/730501 PhenX Toolkit. (2026 January 28).
Physical Properties of Tobacco Products - Smokeless Tobacco.
https://www.phenxtoolkit.org/protocols/view/730502 PhenX Toolkit. (2026 January 28).
Tobacco Brand and Variety - Smokeless Tobacco.
https://www.phenxtoolkit.org/protocols/view/730704 PhenX Toolkit. (2026 January 28).
Tobacco Warning Label Exposure and Recall.
https://www.phenxtoolkit.org/protocols/view/730902 PhenX Toolkit. (2026 January 28).
Passive Exposures to Tobacco Products.
https://www.phenxtoolkit.org/protocols/view/730402 PhenX Toolkit. (2026 January 28).
Tobacco Brand and Variety - Cigars.
https://www.phenxtoolkit.org/protocols/view/730707 PhenX Toolkit. (2026 January 28).
Tobacco Brand and Variety - Cigarettes.
https://www.phenxtoolkit.org/protocols/view/730708 PhenX Toolkit. (2026 January 28).
Birthplace.
https://www.phenxtoolkit.org/protocols/view/10201 PhenX Toolkit. (2026 January 28).
Birthplace of Parents.
https://www.phenxtoolkit.org/protocols/view/10301 PhenX Toolkit. (2026 January 28).
Birthplace of Grandparents.
https://www.phenxtoolkit.org/protocols/view/10401 PhenX Toolkit. (2026 January 28).
Educational Attainment - Individual.
https://www.phenxtoolkit.org/protocols/view/11002 PhenX Toolkit. (2026 January 28).
Current Employment Status.
https://www.phenxtoolkit.org/protocols/view/11301 PhenX Toolkit. (2026 January 28).
Current Marital Status.
https://www.phenxtoolkit.org/protocols/view/10903 PhenX Toolkit. (2026 January 28).
Health Insurance Coverage.
https://www.phenxtoolkit.org/protocols/view/11502 PhenX Toolkit. (2026 January 28).
Marital Status of Primary Caregiver.
https://www.phenxtoolkit.org/protocols/view/840101 PhenX Toolkit. (2026 January 28).
Pediatric School Performance.
https://www.phenxtoolkit.org/protocols/view/840201 PhenX Toolkit. (2026 January 28).
Years Living in the U.S..
https://www.phenxtoolkit.org/protocols/view/11201 PhenX Toolkit. (2026 January 28).
Medication Inventory.
https://www.phenxtoolkit.org/protocols/view/140301 PhenX Toolkit. (2026 January 28).
Frequency of Sickle Cell Pain Episodes Per Year.
https://www.phenxtoolkit.org/protocols/view/830101 PhenX Toolkit. (2026 January 28).
History of Transfusion.
https://www.phenxtoolkit.org/protocols/view/830201 PhenX Toolkit. (2026 January 28).
Annual Household Family Income and Number of People Supported.
https://www.phenxtoolkit.org/protocols/view/12001 PhenX Toolkit. (2026 January 28).
Ethnicity and Race.
https://www.phenxtoolkit.org/protocols/view/11901 PhenX Toolkit. (2026 January 28).
Cigarette Nicotine Dependence.
https://www.phenxtoolkit.org/protocols/view/31001 PhenX Toolkit. (2026 January 28).
Electronic Nicotine Product Device Type.
https://www.phenxtoolkit.org/protocols/view/760102 PhenX Toolkit. (2026 January 28).
Current Age.
https://www.phenxtoolkit.org/protocols/view/10102 PhenX Toolkit. (2026 January 28).
Use of Tobacco Products.
https://www.phenxtoolkit.org/protocols/view/741402