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Published on: March 7, 2019
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Modifying attitude and intention toward regular physical activity using protection motivation theory: a randomized
Kamal Mirkarimi1, Maryam Eri1, Mohammad R Ghanbari2
1Health Management and Social Development Research Center, Golestan University of Medical Sciences.
Summary
Motivational interviewing improved physical activity intentions in obese women by enhancing perceived response efficacy and attitude. This approach, guided by Protection Motivation Theory, offers a beneficial strategy for weight management interventions.
Area of Science:
- Behavioral Science
- Health Psychology
- Public Health
Background:
- Obesity and overweight conditions necessitate effective interventions to promote regular physical activity.
- Protection Motivation Theory (PMT) provides a framework for understanding health behavior change.
- Motivational interviewing (MI) is a counseling approach used to help people change their behavior.
Purpose of the Study:
- To evaluate the effects of motivational interviewing (MI) on the attitude and intention towards regular physical activity in overweight and obese women.
- To test the applicability of Protection Motivation Theory (PMT) constructs in explaining behavioral changes.
Main Methods:
- A randomized controlled trial involving 60 overweight and obese women.
- Participants were assigned to either a standard weight-control program or a motivational interviewing intervention.
- Measurements included PMT constructs (perceived susceptibility, severity, self-efficacy, response efficacy) and anthropometric characteristics at baseline, 2-month, and 6-month follow-ups.
Main Results:
- Significant differences were observed between groups in all PMT constructs and most anthropometric characteristics (except BMI) over time.
- Perceived response efficacy and attitude were the strongest predictors of intention to engage in regular physical exercise at 2- and 6-month follow-ups.
- Motivational interviewing demonstrated a positive impact on participants' intentions and related psychological constructs.
Conclusions:
- Motivational interviewing, when targeted with an emphasis on PMT constructs, is beneficial for improving physical activity status in overweight and obese women.
- The findings support the integration of PMT-guided MI into weight management strategies.
- Interventions focusing on enhancing perceived response efficacy and positive attitudes are crucial for promoting sustained physical activity.
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