Study: NCT04587609

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Free Phone Mounts
Description: Participants will receive free phone mounts

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Free Phone Mounts
Description: Participants will receive free phone mounts

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Free Phone Mounts
Description: Participants will receive free phone mounts

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Free Phone Mounts
Description: Participants will receive free phone mounts

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Commitment Contract
Description: Participants will develop and sign a personalized commitment contract where they will create their own weekly goals for phone use reduction, and plan potential future obstacles that may hinder them from reaching their goal and how and plan to overcome that obstacle.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Commitment Contract
Description: Participants will develop and sign a personalized commitment contract where they will create their own weekly goals for phone use reduction, and plan potential future obstacles that may hinder them from reaching their goal and how and plan to overcome that obstacle.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Commitment Contract
Description: Participants will develop and sign a personalized commitment contract where they will create their own weekly goals for phone use reduction, and plan potential future obstacles that may hinder them from reaching their goal and how and plan to overcome that obstacle.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Personalized Habit Tips
Description: Participants will receive weekly habit formation tips by text message. These messages will be tailored to encourage use of phone mounts, setting up do not disturb while driving, and include their personal obstacles and plans they developed to overcome.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Personalized Habit Tips
Description: Participants will receive weekly habit formation tips by text message. These messages will be tailored to encourage use of phone mounts, setting up do not disturb while driving, and include their personal obstacles and plans they developed to overcome.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Personalized Habit Tips
Description: Participants will receive weekly habit formation tips by text message. These messages will be tailored to encourage use of phone mounts, setting up do not disturb while driving, and include their personal obstacles and plans they developed to overcome.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Social Gamification Feedback
Description: Each week of the intervention period, the participant will be notified whether they met their prior week's goal, stayed about the same, or backslid. Participants will all start with 100 points, and can gain/maintain/lose points each week in the intervention period. Levels are as follows:~Copper: 0-40 points Bronze: 50-80 points Silver: 90-120 points Gold: 130-160 points Platinum: 170-200 points~Social competition: participants will be placed in groups of 10 based on similarity of baseline phone use. Weekly leaderboard reports will be sent via email, with SMS reminder. In the leaderboard they'll see themselves as You.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Social Gamification Feedback
Description: Each week of the intervention period, the participant will be notified whether they met their prior week's goal, stayed about the same, or backslid. Participants will all start with 100 points, and can gain/maintain/lose points each week in the intervention period. Levels are as follows:~Copper: 0-40 points Bronze: 50-80 points Silver: 90-120 points Gold: 130-160 points Platinum: 170-200 points~Social competition: participants will be placed in groups of 10 based on similarity of baseline phone use. Weekly leaderboard reports will be sent via email, with SMS reminder. In the leaderboard they'll see themselves as You.

Intervention type: BEHAVIORAL
Group type: OTHER
Intervention: Contest Financial Incentives
Description: Participants who finish in the platinum level will receive equal share of a prize, or a small amount will be awarded each week over the course of the intervention period to the weekly Safest Driver in each of the social competition cohorts.