Characterizing perceived usability and its correlation with smoking cessation: An analysis of user assessments of the smoking cessation app quitSTART.

"Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"Funding This research was financially supported by the NCI Cancer Prevention Fellowship Program Trans-Fellowship Research Award. Dr. Wiseman was partially supported by the iTHRIV Scholars Program during the implementation of this work. The iTHRIV Scholars Program is supported in part by the 10.13039/100006108National Center for Advancing Translational Sciences of the 10.13039/100000002National Institutes of Health under Award Numbers UL1TR003015 and KL2TR003016. The 10.13039/100008457University of Virginia MSSRP Program supported Ziyan Chen during the completion of this work."