Sponsor study identifier
interventional
2,108
1 country
1
Study Start
May 7, 2019
Actual (reported)Primary Completion
October 30, 2019
Actual (reported)Study Completion
August 30, 2020
Actual (reported)The investigators are proposing an experiment to help a national auto insurance company test behavioral economic strategies to reduce the amount of time policy holders actively use their cell phone while driving. Interventions include financial incentives, social comparison, and nudges, and survey data will also be collected. Data collected from this internal trial will be shared with the Penn research team and analyzed
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
August 30, 2020
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
September 7, 2018
Actual (reported)February 6, 2019
Actual (reported)May 7, 2019
Actual (reported)October 30, 2019
Actual (reported)August 30, 2020
Actual (reported)Seconds of active phone use per hour of driving
Percentage of driving time engaging in active handheld phone use (also measured as seconds of distracted driving/hour of driving)
150 days
Seconds of passive phone use per hour of driving
150 days
Hard breaking events per 100 miles
150 days
Hard acceleration events per 100 miles
150 days
Continue in monitoring only mode
Report user's handheld phone use/ hour of driving for week. Compare this week's performance to distribution for driver cohort.
Monitor throughout intervention period and compare overall use to distribution for cohort. Notify participant at end of intervention period regarding the amount they have earned.
Send push notification reporting user's handheld phone use while driving compared to distribution for driver cohort (age, geographic area) each week.
University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
Delgado MK, Wanner KJ, McDonald C. Adolescent Cellphone Use While Driving: An Overview of the Literature and Promising Future Directions for Prevention. Media Commun. 2016 Jun 16;4(3):79-89. doi: 10.17645/mac.v4i3.536.
French B, Small DS, Novak J, Saulsgiver KA, Harhay MO, Asch DA, Volpp KG, Halpern SD. Preference-adaptive randomization in comparative effectiveness studies. Trials. 2015 Mar 18;16:99. doi: 10.1186/s13063-015-0592-6.
M. Kit Delgado, MD, MS
University of Pennsylvania
2,108 participants (actual enrollment reported by the registry).
First Submitted
September 7, 2018
First Posted
February 6, 2019
Study Start
May 7, 2019
Actual (reported)Monitor throughout intervention period and compare weekly phone use to driver cohort distribution. Send weekly push notification to provide feedback. Notify participant at end of intervention period regarding the amount they have earned.
Monitor throughout intervention period and compare weekly phone use to driver cohort distribution. Send weekly push notification to provide feedback. Notify participant weekly regarding the amount they have earned.
Monitor throughout intervention period and compare weekly phone use to driver cohort distribution. Send weekly push notification to provide feedback. Notify participant weekly regarding the amount they have earned. Incentive amount is higher than "Weekly loss-framed incentive + social comparison feedback" Arm.
Notify participant about potential incentive at the end of the intervention period, but do not provide weekly feedback about performance.
Send push notification reporting user's handheld phone use while driving compared to distribution for driver cohort (age, geographic area) each week. Pay participant weekly according to where they fall on the distribution each week.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
Halpern SD, Ubel PA, Asch DA. Harnessing the power of default options to improve health care. N Engl J Med. 2007 Sep 27;357(13):1340-4. doi: 10.1056/NEJMsb071595. No abstract available.
Halpern SD, French B, Small DS, Saulsgiver K, Harhay MO, Audrain-McGovern J, Loewenstein G, Brennan TA, Asch DA, Volpp KG. Randomized trial of four financial-incentive programs for smoking cessation. N Engl J Med. 2015 May 28;372(22):2108-17. doi: 10.1056/NEJMoa1414293. Epub 2015 May 13.
Hayashi Y, Russo CT, Wirth O. Texting while driving as impulsive choice: A behavioral economic analysis. Accid Anal Prev. 2015 Oct;83:182-9. doi: 10.1016/j.aap.2015.07.025. Epub 2015 Aug 13.
Klauer SG, Guo F, Simons-Morton BG, Ouimet MC, Lee SE, Dingus TA. Distracted driving and risk of road crashes among novice and experienced drivers. N Engl J Med. 2014 Jan 2;370(1):54-9. doi: 10.1056/NEJMsa1204142.
Lahrmann H, Agerholm N, Tradisauskas N, Berthelsen KK, Harms L. Pay as You Speed, ISA with incentive for not speeding: results and interpretation of speed data. Accid Anal Prev. 2012 Sep;48:17-28. doi: 10.1016/j.aap.2011.03.015. Epub 2011 Apr 9.
Loewenstein G, Brennan T, Volpp KG. Asymmetric paternalism to improve health behaviors. JAMA. 2007 Nov 28;298(20):2415-7. doi: 10.1001/jama.298.20.2415. No abstract available.
Patel MS, Asch DA, Rosin R, Small DS, Bellamy SL, Eberbach K, Walters KJ, Haff N, Lee SM, Wesby L, Hoffer K, Shuttleworth D, Taylor DH, Hilbert V, Zhu J, Yang L, Wang X, Volpp KG. Individual Versus Team-Based Financial Incentives to Increase Physical Activity: A Randomized, Controlled Trial. J Gen Intern Med. 2016 Jul;31(7):746-54. doi: 10.1007/s11606-016-3627-0. Epub 2016 Mar 14.
Reagan IJ, Bliss JP, Van Houten R, Hilton BW. The effects of external motivation and real-time automated feedback on speeding behavior in a naturalistic setting. Hum Factors. 2013 Feb;55(1):218-30. doi: 10.1177/0018720812447812.
Delgado MK, Ebert JP, Xiong RA, Winston FK, McDonald CC, Rosin RM, Volpp KG, Barnett IJ, Small DS, Wiebe DJ, Abdel-Rahman D, Hemmons JE, Finegold R, Kotrc B, Radford E, Fisher WJ, Gaba KL, Everett WC, Halpern SD. Feedback and Financial Incentives for Reducing Cell Phone Use While Driving: A Randomized Clinical Trial. JAMA Netw Open. 2024 Jul 1;7(7):e2420218. doi: 10.1001/jamanetworkopen.2024.20218.
Primary Completion
October 30, 2019
Actual (reported)Study Completion
August 30, 2020
Actual (reported)Last Updated
September 10, 2020
Record last verified: 2020-09
PI will not own individual participant data
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.
Source retrieved: