Study: NCT04922216

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Adaptive Activity Goals (Weekly)
Description: Physical activity goals that adapt once each week using the participants' data derived from activity tracker.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Adaptive Activity Goals (Weekly)
Description: Physical activity goals that adapt once each week using the participants' data derived from activity tracker.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Adaptive Activity Goals (Weekly)
Description: Physical activity goals that adapt once each week using the participants' data derived from activity tracker.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Adaptive Activity Goals (Weekly)
Description: Physical activity goals that adapt once each week using the participants' data derived from activity tracker.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Fixed)
Description: Message timing is fixed and evaluated at specific times each day to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Points (Adaptive)
Description: Message timing is adaptive and derived from individual user data to determine message eligibility.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Rules (Standard)
Description: Decision rules to determine eligibility to receive just-in-time messages consider participant's recent behaviors.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Rules (Standard)
Description: Decision rules to determine eligibility to receive just-in-time messages consider participant's recent behaviors.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Rules (Standard)
Description: Decision rules to determine eligibility to receive just-in-time messages consider participant's recent behaviors.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Rules (Standard)
Description: Decision rules to determine eligibility to receive just-in-time messages consider participant's recent behaviors.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Rules (Standard)
Description: Decision rules to determine eligibility to receive just-in-time messages consider participant's recent behaviors.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Message Decision Rules (Standard)
Description: Decision rules to determine eligibility to receive just-in-time messages consider participant's recent behaviors.