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Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
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The Vaping and Patterns of e-Cigarette Use Research Study: Protocol for a Web-Based Cohort Study.

Jeffrey J Hardesty1, Elizabeth Crespi1, Qinghua Nian1

  • 1Institute for Global Tobacco Control, Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States.

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|March 2, 2023
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Summary
This summary is machine-generated.

The Vaping and Patterns of E-cigarette Use Research (VAPER) Study successfully recruited US adults for a longitudinal survey on e-cigarette use. Despite challenges with bots and data integrity, the study collected detailed data on device and liquid use for regulatory science.

Keywords:
ENDScohortdata collectione-cigaretteselectronic nicotine delivery systemsinternetlessons learnedmobile phonerecruitmentstrategiessurveytobaccoweb-based

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Area of Science:

  • Tobacco Regulatory Science
  • Public Health Research
  • Survey Methodology

Background:

  • 3.2% of American adults are daily or occasional e-cigarette users.
  • E-cigarette market heterogeneity and customization pose measurement challenges.
  • Bots and fraudulent responses threaten data integrity in online surveys.

Purpose of the Study:

  • To describe the protocols for three waves of the VAPER Study.
  • To discuss recruitment and data processing experiences and lessons learned.
  • To evaluate strategies for mitigating bot and fraudulent survey taker activity.

Main Methods:

  • Recruited US adults (≥21 years) using e-cigarettes ≥5 days/week via a web-based survey.
  • Employed tailored questionnaires and required device photos to ensure data quality.
  • Implemented identity checks and incentives to deter fraudulent participants.

Main Results:

  • Collected data across three waves (2020-2021) with sample sizes ranging from 1209 to 1254.
  • Achieved 51.94% retention from wave 1 to wave 2; 37.55% completed all three waves.
  • Generated poststratification weights for generalizability to US daily e-cigarette users.

Conclusions:

  • The VAPER Study methodology offers advantages in recruiting a lower-prevalence population.
  • Web-based cohort studies require robust strategies to manage bot and fraud risks.
  • Continued exploration of methods to enhance recruitment, data quality, and retention is planned.