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Related Experiment Video

Updated: Jun 8, 2026

A Cost Effective and Adaptable Scratch Migration Assay

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Published on: June 30, 2020

Definition of a quit attempt: a replication test.

John R Hughes¹, Peter W Callas

¹Department of Psychiatry, University of Vermont, UHC Campus, Mailstop #482, 1 South Prospect Street, Burlington, VT 05401, USA. john.hughes@uvm.edu

Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco

|October 7, 2010

Summary

Defining a successful quit attempt as lasting 24 hours may underestimate the true prevalence of smoking cessation efforts. This 24-hour criterion might exclude highly dependent smokers who genuinely try to quit.

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Area of Science:

Public Health
Tobacco Control Research
Behavioral Science

Background:

Quit attempts are key metrics for evaluating tobacco control interventions.
A common survey criterion for quit attempts is lasting 24 hours, aiming for objectivity and excluding less serious efforts.
This 24-hour threshold may introduce bias by excluding highly dependent smokers who make serious but shorter quit attempts.

Purpose of the Study:

To determine the prevalence of quit attempts lasting less than 24 hours versus those lasting 24 hours or more.
To investigate if smokers unable to quit for 24 hours are more nicotine-dependent.

Main Methods:

Analysis of the 2003 and 2006-2007 Tobacco Use Supplements to the Current Population Survey.
Examination of quit attempts within the last 12 months and lifetime among daily smokers.
Statistical testing of the association between inability to quit for 24 hours and nicotine dependence.

Main Results:

The 24-hour criterion excluded 6% to 17% of self-reported quit attempts.
The association between inability to quit for 24 hours and higher nicotine dependence was inconsistent across survey data, recall periods, and measurement methods.

Conclusions:

Restricting quit attempt definitions to 24 hours likely underestimates the actual prevalence of cessation efforts.
The relationship between failing to quit for 24 hours and nicotine dependence remains uncertain.
Further empirical research is needed to validate the reliability and accuracy of the 24-hour criterion in quit attempt assessment.