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Behavioural Economics-based Incentives in Adults With Type 2 Diabetes Pilot Study

17. maj 2022 opdateret af: The University of Hong Kong

Effectiveness of Behavioural Economics-based Incentives on Glycaemic Control and Lifestyle in Adults With Newly Diagnosed Type 2 Diabetes: a Feasibility Pilot Study

A feasibility pilot study of a randomised control trial of adults newly diagnosed with type 2 diabetes to compare the effectiveness of financial and social incentives on healthy lifestyle behaviour.

Studieoversigt

Status

Afsluttet

Detaljeret beskrivelse

This is a pilot study of testing the feasibility of the interventions being implemented in our main trial in local settings. Adults newly diagnosed with type 2 diabetes without receiving any anti-diabetic medication in Hong Kong are randomised to compare the effectiveness of financial and social incentives against a control group receiving standard care. The investigators follow participants for 9-months (6-month intervention period and a 3-month post-intervention follow-up period) to assess glycemic control and other health indicators. Participants will be randomly assigned to one of two groups (in ratio 3:1): arm A (financial and social incentives in addition to standard care), and arm B (control arm receiving standard care). Financial incentives will be framed around loss aversion and the endowment effect. Social incentives will include peer competition, and social support. Financial and social incentives are to encourage increased physical activity and participants will use a pedometer to track activity. Participants are followed for an additional 3-months after the cessation of incentives to assess the sustainability of lifestyle changes.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

11

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Hong Kong, Hong Kong
        • School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

30 år til 70 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Chinese adults aged 30-70 years
  • Capable of providing informed consent
  • Resident in Hong Kong
  • Able to communicate in English or Chinese
  • Newly diagnosed with type 2 diabetes within a year according to World Health Organization guidelines: HbA1c ≥ 48 mmol/mol (≥ 6.5%); fasting plasma glucose ≥ 7.0 mmol/l (≥ 126 mg/dl); oral glucose tolerance test (OGTT) ≥ 11.1 mmol/l (200 mg/dl) with symptoms, or on two separate occasions if asymptomatic
  • HbA1c ≤ 7.5%
  • Not taking any medication for glycaemic control
  • Willing to take blood tests
  • Access to a smart phone to track physical activity
  • Physically mobile for duration of the trial

Exclusion Criteria:

  • Already participating in another intervention study
  • Any health condition prohibiting them from completing the 9-month trial, such as history of eating disorder, cancer, serious illness, breastfeeding
  • Medical conditions that can affect HbA1c measurements including anaemia, haemoglobinopathies, haemodialysis, iron/B12 deficiency or supplements, chronic liver diseases, splenectomy, rheumatoid arthritis, use of anti-retroviral drugs, ribavirin, or aspirin
  • Intend to receive medication for glycaemic control in the next 6 months
  • Intend to seek private medical treatment for diabetes in the next 6 months

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Ingen indgriben: Styring
Deltagerne vil modtage standardbehandling, herunder patientscreening og undervisning i kost, fysisk aktivitet og rygning udført af et tværfagligt team. Deltagerne i kontrolgruppen vil hverken få at vide om deres baseline-skridttælling eller modtage feedback-beskeder.
Eksperimentel: Intervention
Participants will receive the usual standard care (same as control group), loss-framed financial incentive, social incentives and weekly feedback on performance for 6 months.

Participants will be credited with HK$1000 in their virtual accounts at the beginning of the trial. After baseline step counts are gathered in the second week, participants will lose HK$40 for each subsequent week that they do not meet their personal weekly step target.

The social incentives are peer comparison and social support. Participants receive feedback of their physical activity performance by assessing whether they met or exceeded their step count target, followed by positive messages for encouragement. Nominated supporters will be informed of participants' performance for social support.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Glycemic control
Tidsramme: Baseline, 6 and 9 months
Change in HbA1c levels
Baseline, 6 and 9 months

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in physical activity (step count)
Tidsramme: Baseline, 6 and 9 months
Step counts
Baseline, 6 and 9 months
Change in body weight
Tidsramme: Baseline, 6 and 9 months
kg
Baseline, 6 and 9 months
Changes in lipid profile
Tidsramme: Baseline, 6 and 9 months
Total, HDL- and LDL-cholesterol; Triglycerides
Baseline, 6 and 9 months
Change in physical activity level
Tidsramme: Baseline, 6 and 9 months
International Physical Activity Questionnaires (IPAQ)
Baseline, 6 and 9 months

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in health service utilisation
Tidsramme: Baseline, 6 and 9 months
Number of attendances and hospital admission
Baseline, 6 and 9 months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Ledende efterforsker: Jianchao Quan, MPH, BM BCh, School of Public Health, The University of Hong Kong

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. november 2020

Primær færdiggørelse (Faktiske)

6. september 2021

Studieafslutning (Faktiske)

7. december 2021

Datoer for studieregistrering

Først indsendt

17. juni 2020

Først indsendt, der opfyldte QC-kriterier

21. juni 2020

Først opslået (Faktiske)

23. juni 2020

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

18. maj 2022

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. maj 2022

Sidst verificeret

1. september 2021

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • BET2-v2-202005

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

Information will shared in accordance with the University of Hong Kong Data Management Plan (DMP)

IPD-deling Understøttende informationstype

  • STUDY_PROTOCOL
  • SAP

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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Kliniske forsøg med Diabetes mellitus, type 2

Kliniske forsøg med Financial and social incentives

3
Abonner