TAKing Steps for Incentives

Physical Activity Clinical Trial

— TAKSI  

Official title:

TAKing Steps for Incentives (TAKSI) - A Randomized Controlled Trial to Motivate and Sustain Physical Activity Using Financial Incentives

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT01892475
• Other study ID #: DPRT/AGE/2010/20
• Status: Completed
• Phase: N/A
• First received: July 1, 2013
• Last updated: January 3, 2016
• Start date: November 2013
• Est. completion date: December 2015

Study information

• Verified date: January 2016
• Source: Duke-NUS Graduate Medical School
• Contact: n/a
• Is FDA regulated: No
• Health authority: Singapore: Institutional Review Board
• Study type: Interventional

Clinical Trial Summary

The purpose of this study is to test the overall effects of incentives on physical activity among older taxi drivers, and whether mental accounting exists in this context.

Description:

As part of the 4-month Randomized Controlled Trial, participating taxi drivers will be assigned to 1 of 2 groups where they will receive either cash or taxi rental credits for meeting specified monthly step goals measured via a step counter. Subsequently, for an additional 3 months, drivers will be incentivized to wear step counters to test if effects of the rewards are sustained once the reward is no longer in place. Effects will be quantified in terms of step activity; and in terms of changes in Body Mass Index (BMI), Resting Heart Rate (HR), Blood Pressure (BP), self-reported General Health, Health-Related Quality of Life (HR-QOL) and work productivity.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 314
• Est. completion date: December 2015
• Est. primary completion date: December 2015
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Both
• Age group: 50 Years to 75 Years

Eligibility

Inclusion Criteria:

• Must be a taxi driver who is a hirer, and who drives for at least 8 hours daily over 5 days

• Aged between 50 to 75

• English/Mandarin-speaking

Exclusion Criteria:

• Report difficulty doing 10 minutes of aerobic activities without stopping, walking up 10 stairs without stopping or performing basic activities of daily living

• Have any medical conditions that limit their ability to walk as a means of physical activity

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

• Incentives
• Physical Activity

Intervention

Behavioral:
• Incentive-based physical activity program
Drivers will be offered rewards valued at a day's rental for meeting daily step targets over the specified number of days each month from Months 1 to 4, where steps will be tracked by a step counter. They will also be offered incentives for meeting the following criteria: Accurately predicting step target attainment the following months (SGD10) Wearing and providing step data over the month (SGD10 and a chance to win 1 of 3 cash prizes valued at SGD500)
• 3-month follow up
After the 4-month RCT, drivers will be incentivized to wear the step counter for another 3 months (i.e. Months 5 to 7) to test if effects of the rewards are sustained once the reward is no longer in place. For wearing their step counter and providing their step data, drivers will receive a modest cash incentive (amounting to SGD10) each month as well as the chance to win 1 of 3 cash prizes valued at SGD500.

Locations

Country	Name	City	State
Singapore	Duke-NUS Graduate Medical School	Singapore

Sponsors (1)

Lead Sponsor	Collaborator
Duke-NUS Graduate Medical School

Country where clinical trial is conducted

Singapore, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Steps taken	Steps will be assessed using Fitbit, which has an in-built 3-axis accelerometer that measures motion patterns. This will be evaluated monthly, from pre-Baseline through Month 7.	7 months	No
Secondary	Body Mass Index (BMI)	BMI will be evaluated using measured height and weight, and will be assessed at Months 0 (Baseline), 4 and 7.	7 months	No
Secondary	Resting Heart Rate	Resting Heart Rate will be evaluated using a clinically validated machine (Welch Allyn SPOT Vital Signs Monitor), and will be assessed at Months 0 (Baseline), 4 and 7.	7 months	No
Secondary	Blood Pressure	Blood pressure will be evaluated using a clinically validated machine (Welch Allyn SPOT Vital Signs Monitor), and will be assessed at Months 0 (Baseline), 4 and 7.	7 months	No
Secondary	Self-reported General Health	Self-reported General Health will be evaluated using a validated survey instrument (SF12), and will be assessed at Months 0 (Baseline), 4 and 7.	7 months	No
Secondary	Health-Related Quality of Life (HR-QOL)	Health-Related Quality of Life will be evaluated using a validated instrument (EQ-5D), and will be assessed at Months 0 (Baseline), 4 and 7.	7 months	No
Secondary	Work Productivity	Work Productivity will be evaluated using a validated instrument (Work Productivity Activity Impairment Questionnaire) and other work-related data, and will be assessed throughout Months 0 (Baseline), 4 and 7.	7 months	No