Submission date
21/04/2006
Registration date
25/04/2006
Last edited
25/11/2019
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Nutritional, Metabolic, Endocrine
Prospectively registered
? Protocol not yet added
? SAP not yet added
? Results not yet added and study completed for more than 2 years
? Raw data not yet added
Study completed

Plain English Summary

Not provided at time of registration

Study website

Contact information

Type

Scientific

Contact name

Dr Alison Wright

ORCID ID

Contact details

King's College London
Health Psychology
5th Floor
Thomas Guy House
Guy's Campus
London
SE1 9RT
United Kingdom
+44 (0)20 7188 2597
alison.wright@kcl.ac.uk

Additional identifiers

EudraCT/CTIS number

IRAS number

ClinicalTrials.gov number

Protocol/serial number

N/A

Study information

Scientific title

A pragmatic randomised trial of the impact of brief, written anticipated regret manipulations on intentions for, and subsequent self-reported, physical activity in adults receiving normal results of diabetes screening

Acronym

Study hypothesis

Brief written anticipated regret manipulations can promote intentions for, and self-reported, physical activity in people receiving normal results of screening for type two diabetes.

As of 17/06/2009 this record was updated to include a new anticipated end date; the initial end date at the time of registration was 31/12/2006.

Ethics approval(s)

Leicestershire, Northamptonshire and Rutland Research Ethics Committee, November 2005, ref: 7254

Study design

Pragmatic randomised controlled trial

Primary study design

Interventional

Secondary study design

Randomised controlled trial

Study setting(s)

Other

Study type

Screening

Patient information sheet

Not available in web format, please use the contact details below to request a patient information sheet

Condition

Prevention of type two diabetes or promotion of physical activity in healthy individuals

Intervention

The interventions consist of written information which is sent in conjunction with the letter confirming the results of a participant’s diabetes test. Participants are randomly allocated to one of five groups:
1. Anticipated regret group, no consequences made salient
2. Anticipated regret group, short term consequences made salient
3. Anticipated regret group, long term consequences made salient
4. Control group one: test result and physical activity message but no written anticipated regret manipulation; anticipated regret assessed on questionnaire
5. Control group two: test result and physical activity message but no anticipated regret manipulation; anticipated regret not assessed on questionnaire

As of 17/06/2009 the end of recruitment date for this trial was 08/12/2006.

Intervention type

Other

Primary outcome measure

1. Self reported physical activity
2. Intentions for self-reported physical activity

Secondary outcome measures

No secondary outcome measures

Overall study start date

01/05/2006

Overall study end date

30/01/2007

Reason abandoned (if study stopped)

Eligibility

Participant inclusion criteria

Individuals will be eligible to participate in the current study if they receive a normal result of an oral glucose tolerance test for diabetes performed as part of the Leicester part of the ADDITION study (ISRCTN99175498).

Added 17/06/2009:
1. White European participants aged between 40 and 75 years, either sex
2. Asian, Black or Chinese participants aged between 25 and 75 years, either sex

Participant type(s)

Patient

Age group

Adult

Sex

Both

Target number of participants

450, distributed across five groups

Participant exclusion criteria

Potential participants will be excluded from the ADDITION study and thus ineligible for this study if they:
1. Are housebound
2. Have a terminal illness
3. Have diabetes mellitus
4. Have an active psychotic illness resulting in the individual being unable to provide informed consent
5. Are pregnant or lactating
6. Are simultaneously participating in any other clinical trials

Recruitment start date

01/05/2006

Recruitment end date

30/01/2007

Locations

Countries of recruitment

England, United Kingdom

Study participating centre

King's College London
London
SE1 9RT
United Kingdom

Sponsor information

Organisation

King's College London (UK)

Sponsor details

Institute of Psychiatry
De Crespigny Park
London
SE5 8AF
England
United Kingdom

Sponsor type

University/education

Website

http://www.kcl.ac.uk/

ROR

https://ror.org/0220mzb33

Funders

Funder type

Charity

Funder name

The Wellcome Trust (UK) (grant ref: 071202)

Alternative name(s)

Funding Body Type

Funding Body Subtype

Location

Results and Publications

Publication and dissemination plan

Not provided at time of registration

Intention to publish date

Individual participant data (IPD) sharing plan

IPD sharing plan summary

Not provided at time of registration

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?

Additional files

Editorial Notes

25/11/2019: No publications found. Verifying results with principal investigator. 27/04/2016: No publications found, verifying study status with principal investigator