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mFit: The Mobile Fitness Project (mFIT)

University of California, Los Angeles (UCLA) logo

University of California, Los Angeles (UCLA)

Status

Completed

Conditions

Obese
Overweight

Treatments

Other: Smartphone Application

Study type

Interventional

Funder types

Other

Identifiers

NCT01650337
mFit-UCLA

Details and patient eligibility

About

BACKGROUND: The nascent field of mobile health (mHealth) is expanding with impressive speed. In March 2012, experts estimated that 40,000 health related smartphone applications were on the market but little is known about the effectiveness of these programs. To our knowledge, no studies have evaluated whether weight loss can be successfully achieved through use of a smartphone application or how these applications could be used in primary care practice.

PURPOSE: To evaluate the effectiveness of a popular, free smartphone application for weight loss and calorie counting in a primary care setting.

METHODS: The first phase of this study involved a community based participatory approach to select the intervention. Patient focus groups were conducted and analyzed to explore patients' preferences regarding various text-message versus smartphone programs. The second phase of this study, described here, will be a randomized controlled trial with overweight primary care patients exposed to one of two conditions for 6 months: (1) usual care; (2) usual care plus smartphone application, which includes instructing participants on how to use the application and encouraging them to use the applications' reminders and social networking features. The primary outcome of interest is weight change at 3 and 6 months. Two-sample t-test or Wilcoxon rank sum test will be used to compare weight change between groups, as appropriate. ANCOVA models will be used to examine weight change after adjusting for covariates such as education, sex and age. Repeated measures analysis will be carried out to compare weight change between the groups using baseline, 3 month and 6 month data. In addition to an intent-to-treat analysis, the investigators will also conduct a "treatment received" analysis, adjusting for the extent of application use in both the intervention and control arms.

CONCLUSIONS: This study will demonstrate whether a smartphone application introduced in primary care settings and incorporated into the visit can produce weight loss. Study findings could inform a national discourse on the value of smartphone applications in routine clinical practice.

Enrollment

212 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • primary care patient at UCLA Family Health Center or 16th Street Internal Medicine
  • age 18 or older,
  • English speaking,
  • BMI > 25,
  • interested in losing weight,
  • smartphone ownership,
  • valid email address.

Exclusion criteria

  • current, planned or previous pregnancy within 6 months,
  • currently using a smartphone app for dieting,
  • hemodialysis,
  • terminal illness

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

212 participants in 2 patient groups

Smartphone Application
Experimental group
Description:
Patients will be given access to a smartphone application for weight loss and instructed on how to use it.
Treatment:
Other: Smartphone Application
Usual primary care
No Intervention group

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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