Exploring Different Incentive Structures Among US Adults Who Use e-Cigarettes to Optimize Retention in Longitudinal Web-Based Surveys: Case Study.

Elizabeth Crespi Johanna Heller Jeffrey J Hardesty Qinghua Nian Joshua K Sinamo Kevin Welding Ryan David Kennedy Joanna E Cohen

Published in: Journal of medical Internet research (2023)

RR2-10.2196/38732.

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