Studying the use of planning and reminders in the promotion of a healthier dietary lifestyle

Prospectively registered

Protocol

Statistical analysis plan

Results

Individual participant data

Plain English summary of protocol

Not provided at time of registration

Dr Robert Hurling
Scientific

Unilever Discover
Colworth Science Park
Sharnbrook
Bedfordshire
MK44 1LQ
United Kingdom

Primary study design	Interventional
Study design	Randomised Controlled Trial
Secondary study design	Randomised controlled trial
Study type	Participant information sheet
Scientific title	An exploratory study on the use of planning and reminders in the promotion of a healthier dietary lifestyle: a randomised controlled trial
Study objectives	Combining planning and reminders will lead to greater reductions in saturated fat intake than the control group
Ethics approval(s)	Independent Ethics Committee in Unilever, South of England
Health condition(s) or problem(s) studied	Healthy Individuals
Intervention	1. Control group, in which participants received information on a healthy diet low in saturated fats 2. Planning condition, in which participants were requested to choose specific plans to help them reduce their saturated fat intake 3. Planning and reminders condition, in which participants were requested to form specific plans and also received reminders of these plans over the study duration
Intervention type	Other
Primary outcome measure(s)	1. Saturated fat intake measured by a food frequency questionnaire 2. Two self-perceived scales
Key secondary outcome measure(s)	Socio-cognitive variables: 1. Intention to reduce saturated fat intake 2. Self-efficacy 3. Planning
Completion date	01/03/2010

Participant type(s)	Patient
Age group	Adult
Sex	All
Target sample size at registration	800
Key inclusion criteria	1. Body Mass Index (BMI) ≥ 25 2. 30-60 years old 3. Subjects of either sex can take part 4. Not diagnosed with a heart-condition (heart-attack or angina) 5. Not diagnosed with cancer 6. Not diagnosed with an eating disorder 7. Willing to sign the Online Informed Consent form 8. Computer and internet literate 9. Having their own mobile phone 10. Being capable of opening delivered SMS messages 11. Be willing to receive SMS messages over the duration of the study
Key exclusion criteria	1. BMI < 24.9 2. <30 years old 3. >60 years old 4. Pregnant women 5. Diagnosed with cancer 6. Diagnosed with an eating disorder 7. Diagnosed with a heart-condition (heart-attack or angina) 8. Any other chronic disease of the major organs (e.g. kidney failure) 9. Not willing to sign an online consent form 10. Not literate in use of computer and the internet 11. Not having their own mobile phone 12. Not capable of opening delivered SMS messages 13. Not willing to receive SMS messages over the duration of the study
Date of first enrolment	01/01/2010
Date of final enrolment	01/03/2010

Unilever Discover

Bedfordshire
MK44 1LQ
United Kingdom

Individual participant data (IPD) Intention to share	No
IPD sharing plan summary	Not provided at time of registration
IPD sharing plan

Output type	Details	Date created	Date added	Peer reviewed?	Patient-facing?
Results article	results	20/12/2011		Yes	No
Participant information sheet	Participant information sheet	11/11/2025	11/11/2025	No	Yes