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A Randomized Trial of Economic Incentives to Promote Walking Among Full Time Employees

3 gennaio 2016 aggiornato da: Eric A. Finkelstein, Duke-NUS Graduate Medical School
This study aims to assess the uptake, effectiveness, and cost-effectiveness of a scalable walking programme for full-time employees both with and without incentives.

Panoramica dello studio

Stato

Completato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

The first part of this study comprises an in-home face-to-face survey with 950 full-time employees in Singapore. The survey aims to identify what an optimal programme might look like and to quantify the potential uptake of the programme, if offered. Stated preference conjoint analysis, which assesses individual preferences for attributes of specific programmes, will be used.

The second part of this study is a Randomised Controlled Trial (RCT) of a 12-month walking programme. Up to 800 full-time employees will be recruited and allocated to one of four research arms: Control Group, Programme Only Group, Cash Incentive Group and Charitable Incentive Group. Participants in the intervention arms will be asked to track their physical activities using Fitbit Zip, a wireless pedometer, which automatically uploads the data to a custom website. Those in the incentive arms will earn money or raise money for charities if they meet weekly exercise targets. Those in the control and Programme Only groups with receive a weekly payment for participation. Incentives and participation payment will be provided from months 1 - 6, after which they will be withdrawn.

The key outcome variable of the RCT is defined as bouts (in minutes) of moderate to vigorous physical activity ("MVPA bouts") as measured via accelerometry. Data will be collected at baseline and month 6 and 12 assessments.

Findings from the RCT will also be used to determine the cost to employers of implementing each programme and the incremental cost-effectiveness of the incentive programmes compared to the basic programme without incentives. The primary hypotheses are that the basic programme will have lower costs per person than the cash or charity programmes, but that the incentive programmes will be more cost-effective relative to the less expensive and less effective basic programme.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

800

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Singapore
      • Singapore, Singapore
        • Duke-NUS Graduate Medical School

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 21 anni a 65 anni (Adulto, Adulto più anziano)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Full-time employees living in Singapore
  • Aged between 21-65

Exclusion Criteria:

  • report difficulty doing 10 minutes of aerobic activities without stopping
  • report difficulty walking up 10 stairs without stopping
  • report difficulty performing basic activities of daily living
  • have any medical conditions that limit their ability to walk as a means of physical activity
  • self-identify medical conditions that limit ability to walk AND do not have medical consent
  • answer 'YES' to any PAR-Q questions

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione fattoriale
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Altro: Control Group
The control group will receive a "usual care" educational programme at baseline created by the Singapore Health Promotion Board. This guide describes the importance of physical activity and illustrates one possible physical activity programme. It also discusses strategies for adopting a healthy lifestyle. They will not receive the Fitbit Zip wireless pedometer from the study team. However, they will receive $4 per week, regardless of physical activity levels.
Altro: Usual Care
The "usual care" programme consists of educational materials designed by the Singapore Health Promotion Board. It includes material on how to stay active, walking programmes, and healthy eating.
Altri nomi:
  • Educational Programme; Health Promotion Board
Sperimentale: Programme Only Group
This group receives the Fitbit Zip, and access to the Fitbit website. Fitbit Zip counts the number of steps walked, calories burned, and distance travelled. Participants can set goals for their physical activity levels, and will have access to personalised feedback from Fitbit. This group will also receive $4 per week, regardless of physical activity levels.
Altro: Usual Care
The "usual care" programme consists of educational materials designed by the Singapore Health Promotion Board. It includes material on how to stay active, walking programmes, and healthy eating.
Altri nomi:
  • Educational Programme; Health Promotion Board
Dispositivo: Fitbit
Fitbit Zip is a wireless pedometer that tracks steps of participants, and will be offered in conjunction with a tailored website with customized information for participants, employers, and/or charities.
Altri nomi:
  • Fitbit Zip; Wireless pedometer; Physical activity tracker;
Sperimentale: Cash Incentive Group

This group receives the Fitbit Zip and the opportunity to earn money each week based on the number of steps logged on the pedometer during that week. We will offer the following incentive schedule:

  • $0 SGD for less than 50,000 steps during the week
  • $15 SGD for 50,000 - 69,999 steps during the week (max of 20,000 steps per day)
  • $30 SGD for 70,000 or more steps during the week (max of 20,000 steps per day) Participants will receive monthly payments in cash after their physical activity is confirmed. The incentive will be calculated separately for each week of the 6-month incentive programme.
Altro: Usual Care
The "usual care" programme consists of educational materials designed by the Singapore Health Promotion Board. It includes material on how to stay active, walking programmes, and healthy eating.
Altri nomi:
  • Educational Programme; Health Promotion Board
Dispositivo: Fitbit
Fitbit Zip is a wireless pedometer that tracks steps of participants, and will be offered in conjunction with a tailored website with customized information for participants, employers, and/or charities.
Altri nomi:
  • Fitbit Zip; Wireless pedometer; Physical activity tracker;
Comportamentale: Cash Incentives
Incentives will be awarded to participants for meeting specified weekly step goals as measured by a pedometer.
Altri nomi:
  • Money, Cash, Financial Incentives
Sperimentale: Charitable Incentive Group
This group is identical to the cash incentive group except that incentive payments will be donated directly to a tax-exempt nonprofit charity of the participant's choice. The charity will be selected at the start of the programme but will be limited to the most common tax-exempt nonprofit charities operating in Singapore. As a motivational feedback component of the programme, participants will receive a thank-you email or letter from the charity.
Altro: Usual Care
The "usual care" programme consists of educational materials designed by the Singapore Health Promotion Board. It includes material on how to stay active, walking programmes, and healthy eating.
Altri nomi:
  • Educational Programme; Health Promotion Board
Dispositivo: Fitbit
Fitbit Zip is a wireless pedometer that tracks steps of participants, and will be offered in conjunction with a tailored website with customized information for participants, employers, and/or charities.
Altri nomi:
  • Fitbit Zip; Wireless pedometer; Physical activity tracker;
Comportamentale: Charitable Incentives
Incentives will be awarded to charities selected by participants should the latter meet specified weekly step goals measured by a pedometer.
Altri nomi:
  • Donations, Charity

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Changes in MVPA (Moderate-to-Vigorous Physical Activity) bouts of participants from baseline to months 6 and 12
Lasso di tempo: Baseline, 6 and 12 months

MVPA bouts are defined as the total number of minutes during each 1-week assessment period in which moderate or vigorous activity of at least 8 of 10 consecutive minutes are reached. This will be assessed via the Actigraph GT3XE-Plus Triaxial Activity Monitor.

We will measure "MVPA bouts" at baseline, 6, and 12 months. We hypothesize that participants in the Programme Only, and Incentive groups record more "MVPA bouts" at 6 months compared to baseline. Furthermore, participants in the Incentive groups will record more "MVPA bouts" at 6 months compared to the Control and Programme only groups.

We also measure "MVPA bouts" for all participants at 12 months. We do so to test if the "MVPA bouts" measured at month 6, can be sustained at month 12 when incentives are no longer being provided.
Baseline, 6 and 12 months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change in VO2Max of participants from baseline to months 6, and 12.
Lasso di tempo: Baseline, 6 and 12 months
VO2Max is one of the major parameters to evaluate health and fitness of the cardiovascular system and is widely used for health promotion purposes. VO2Max will also be assessed via the Non Exercise Fitness Test (NEFT); NEFT predicts VO2max based on age, gender, BMI, resting heart rate and self-reported physical activities.
Baseline, 6 and 12 months

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Duke-NUS Graduate Medical School

Collaboratori

Health Promotion Board, Singapore

Investigatori

  • Investigatore principale: Eric Finkelstein, Ph.D., M.H.A., Duke-NUS Graduate Medical School

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio

1 maggio 2013

Completamento primario (Effettivo)

1 agosto 2015

Completamento dello studio (Effettivo)

1 agosto 2015

Date di iscrizione allo studio

Primo inviato

8 agosto 2012

Primo inviato che soddisfa i criteri di controllo qualità

13 maggio 2013

Primo Inserito (Stima)

16 maggio 2013

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Stima)

5 gennaio 2016

Ultimo aggiornamento inviato che soddisfa i criteri QC

3 gennaio 2016

Ultimo verificato

1 gennaio 2016

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Altri numeri di identificazione dello studio

  • HSRG10NOV002

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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