To measure the effectiveness of tailored text message-based weight reduction program

ISRCTN	ISRCTN39629189
DOI	https://doi.org/10.1186/ISRCTN39629189
Protocol serial number	N/A
Sponsor	Seoul National University Bundang Hospital (South Korea)
Funder	Seoul National University Bundang Hospital (South Korea)

Submission date: 25/02/2011
Registration date: 28/04/2011
Last edited: 05/02/2015

Recruitment status: No longer recruiting
Overall study status: Completed
Condition category: Nutritional, Metabolic, Endocrine

Prospectively registered

Protocol

Statistical analysis plan

Results

Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Prof Ju-Young Kim
Scientific

166 Gumi-ro Bundang-gu, Gyeonggi-do
Department of Family Medicine
Seoul National University Bundang Hospital
Seongnam
463-707
Korea, South

Study information

Primary study design	Interventional
Study design	Two parallel group randomised controlled trial
Secondary study design	Randomised controlled trial
Study type	Participant information sheet
Scientific title	A pilot randomised controlled trial to measure the effectiveness of tailored text message-based weight reduction program
Study objectives	The intervention to be evaluated in this trial is a six-month program of automatically generated tailored text messages sent to the participant's mobile phone.
Ethics approval(s)	Institutional Review Board of Seoul National University Bundang Hospital approved on the 30th December 2010 (ref: B-1012/117-003)
Health condition(s) or problem(s) studied	Obesity
Intervention	Two groups to be compared: 1. Control group: participants will receive tuition in weight-control, BMI measure, education materials 2. Intervention group: participants will receive tuition in weight-control, BMI measure, education materials, plus patient-tailored interactive SMS text messages every other day
Intervention type	Other
Primary outcome measure(s)	Body weight: The percentage of body weight change in 6 months. Weight is measured at baseline, 1, 3, and 6 months in light clothing by bioelectrical analysis methods We also plan to obtain self administered questionnaires such as eating behavior, physical activity using International Physical Acitivity Questionnaire (IPAQ-short form) and Korean version of Obesity related Quality of Life Scale at baseline and 6 months later
Key secondary outcome measure(s)	1. BMI 2. Body composition 3. Quality of life 4. Eating habits 5. Physical activity
Completion date	30/09/2011

Eligibility

Participant type(s)	Patient
Age group	Adult
Sex	All
Target sample size at registration	200
Key inclusion criteria	1. Obese people - body mass index (BMI) over 25 2. Able to read Korean and can provide written informed consent 3. Is seriously considering weight reduction 4. Aged over 20 years, either sex 5. Has a mobile phone and is familiar with sending and receiving SMS text messages 6. Is willing to participate in study and follow study procedures 7. Is not currently enroled in another formal weight reduction study or program 8. Is not using diet pill at randomisation date
Key exclusion criteria	1. Do not meet all of the inclusion criteria 2. Past 3-month comorbidities, for example cerebral apoplexy, coronary artery diseases 3. Past 3-month coronary artery intervention or surgery 4. Has heart failure or anorexia nervosa or terminal cancer
Date of first enrolment	01/04/2011
Date of final enrolment	30/09/2011

Locations

Countries of recruitment

Korea, South

Study participating centre

166 Gumi-ro Bundang-gu, Gyeonggi-do

Seongnam
463-707
Korea, South

Results and Publications

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

Study outputs

Output type	Details	Date created	Date added	Peer reviewed?	Patient-facing?
Results article	results	03/02/2015		Yes	No
Participant information sheet	Participant information sheet	11/11/2025	11/11/2025	No	Yes