Brief Motivational Intervention to Increase Physical Activity and Fruit/Vegetable Intake

Overview

Research has shown that a high percentage of college students do not meet recommended national guidelines for physical activity or fruit/vegetable intake. The purpose of this study was to pilot test the short-term efficacy of a one-on-one, brief motivational intervention (BMI) designed to increase physical activity and fruit/vegetable intake. It was hypothesized that participants in the BMI condition would report greater physical activity and fruit/vegetable intake at follow-up than those in an education-only control condition.

Full Title of Study: “Pilot Trial of a Brief Motivational Intervention to Increase Physical Activity and Fruit/Vegetable Intake Among College Students”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: October 2009

Interventions

  • Behavioral: Brief Motivational Intervention
    • 30 minute one-on-one meeting
  • Behavioral: Educational information
    • Educational handouts/brochures

Arms, Groups and Cohorts

  • Experimental: Brief Motivational Intervention
    • Subjects in this condition met one-on-one with a counselor for 30 minutes. Subjects received personalized feedback regarding their current physical activity levels and fruit/vegetable intake. Counselors used a motivational interviewing style to try to help resolve ambivalence about changing their current behaviors.
  • Active Comparator: Educational information
    • Subjects in this condition received general educational information about the benefits associated with physical activity and fruit/vegetable intake.

Clinical Trial Outcome Measures

Primary Measures

  • Vigorous physical activity minutes per week.
    • Time Frame: One-month follow-up.

Secondary Measures

  • Moderate physical activity minutes per week.
    • Time Frame: One-month follow-up.
  • Fruit and vegetable intake per week
    • Time Frame: One-month follow-up
    • Number of fruit and vegetable servings per day per week

Participating in This Clinical Trial

Inclusion Criteria

  • Two or fewer days of 30+ minutes of moderate physical activity per week
  • Zero days of 20+ minutes of vigorous physical activity per week

Exclusion Criteria

  • Three or more days of 30+ minutes of moderate physical activity per week
  • One or more days of 20+ minutes of vigorous physical activity per week

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • University of Missouri-Columbia
  • Provider of Information About this Clinical Study
    • Principal Investigator: Matthew P. Martens, Associate Professor – University of Missouri-Columbia
  • Overall Official(s)
    • Matthew P Martens, Ph.D., Principal Investigator, University of Missouri-Columbia

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