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Parental Involvement Improves the Effect of Motivational Interviewing on Weight Loss in Obese Adolescents: A Randomized Controlled Trial Study

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02180802
Enrollment
408
Registered
2014-07-03
Start date
2011-02-28
Completion date
2013-04-30
Last updated
2014-09-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity, Adolescent

Keywords

obese adolescents, BMI ≥ 95th percentile for age and gender

Brief summary

Motivational interviewing (MI) has been shown to be an effective strategy in targeting obesity in adolescents and parental involvement has been associated with increased effectiveness. The aim of the study is to evaluate and compare the role of parental involvement in MI interventions for obese adolescents

Interventions

BEHAVIORALmotivational interviewing
BEHAVIORALmotivational interviewing with parental involvement
BEHAVIORALControl group

Sponsors

Qazvin University Of Medical Sciences
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
13 Years to 18 Years
Healthy volunteers
No

Inclusion criteria

* BMI equal or higher than 95th percentile for age and gender * 13-18 years old

Exclusion criteria

* medication with weight gain as side effects * diagnosed with having eating disorder * pregnant * clinical mental health conditions * psychosis

Design outcomes

Primary

MeasureTime frameDescription
changes in dietary patternchanges from baseline and 12 months follow-up—
Weight Efficacy Lifestylechanges from baseline and 12 months follow-upWeight Efficacy Lifestyle questionnaire (WEL)
Physical Exercise Self-efficacychanges from baseline and 12 months follow-upPhysical Exercise Self-efficacy Scale (PES)
changes in physical activitychanges from baseline and 12 months follow-up—
changes in BMIchanges from baseline and 12 months follow-upBody Mass Index
Child Dietary Self-Efficacychanges from baseline and 12 months follow-upChild Dietary Self-Efficacy Scale (CDSS)

Secondary

MeasureTime frame
changes in blood triglyceride levelchanges from baseline and 12 months follow-up
Changes in body fat percentagechanges from baseline and 12 months follow-up
Changes in blood cholesterol levelchanges from baseline and 12 months follow-up

Countries

Iran

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026