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The CHAT (Community Health Advice by Telephone) Study - Article


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Youth Risk Behavior Surveillance System

YRBSS

Clinical Trial: The CHAT (Community Health Advice by Telephone) Study

This study is no longer recruiting patients.

Sponsored by: National Institute on Aging (NIA)
Information provided by: National Institute on Aging (NIA)
ClinicalTrials.gov Identifier: NCT00131092

Purpose

The purpose of the study is to compare a telephone-administered physical activity counseling program delivered by a person or by a telephone-linked computer system and test their relative benefits in improving regular physical activity among adults ages 55 and older.
Condition Intervention Phase
Health behavior
  Behavior: The Stanford Active Choices program
 Behavior: The TLC system
 Phase II

MedlinePlus consumer health information 

Study Type: Interventional
Study Design: Educational/Counseling/Training, Randomized, Single Blind, Active Control, Parallel Assignment, Safety/Efficacy Study

Official Title: Exercise Advice by Human or Computer: Testing 2 Theories

Further Study Details: 
Primary Outcomes: Increase in physical activity measured by the Stanford 7-Day Physical Activity Recall and the CHAMPS physical activity questionnaire for older adults
Secondary Outcomes: Physical performance on a symptom-limited, graded exercise treadmill test, quality of life and psychological questionnaires measuring physical functioning, sleep, perceived stress, depressive symptoms
Expected Total Enrollment:  225

Study start: June 1999;  Study completion: December 2005
Last follow-up: December 2003;  Data entry closure: December 2005

Two hundred and twenty five healthy, sedentary men and women ages 55 and older will be randomly assigned to one of three conditions: 12 months of physical activity counseling delivered by a human counselor, 12 months of physical activity counseling delivered by a telephone-linked computer system, or a 12-month attention-control condition (a health education class). Data on physical activity participation and related quality of life indicators (e.g., improved physical functioning, fitness, sleep) will be collected at baseline, 6 months, 12 month post-test and 18 month follow-up. The primary hypotheses are: 1) participants in either physical activity counseling condition will show greater improvements in physical activity participation at 12 months compared to the attention-control condition; 2) participants in the human counselor condition will show greater improvements in physical activity at 12 months relative to the computer condition; and 3) participants in the computer condition will show better maintenance of physical activity between 12 and 18 months compared to participants in the human counselor condition.

Eligibility

Ages Eligible for Study:  55 Years and above,  Genders Eligible for Study:  Both

Accepts Healthy Volunteers

Criteria

Inclusion Criteria:

  • Men and women ages 55 and older
  • Free of any medical condition that would limit participation in independent exercise
  • Not currently engaged in a regular pattern of physical conditioning
  • Free of clinical psychopathology
  • Stable on current medications
  • Planning to remain in the geographic area through the duration of the trial
  • Able to read and speak English sufficiently to understand protocol materials
  • Can use the telephone unaided
  • Willing to accept random assignment to any study condition

Exclusion Criteria:

  • Under the age of 55
  • Currently under treatment for an acute, serious medical condition (e.g., cancer, heart disease, stroke)
  • Physically active on a regular basis (i.e. performing more than 60 minutes per week of aerobic physical activity of at least a moderate intensity)
  • Unstable and/or uncontrolled on medications for high blood pressure or depression
  • Unable or unwilling to use a telephone unaided
  • Unwilling to accept random assignment to study condition

Location Information


California
      Stanford Prevention Research Center, Stanford,  California,  94305-5705,  United States

Study chairs or principal investigators

Abby C. King, PhD,  Principal Investigator,  Stanford Prevention Research Center   

More Information

Publications

King AC, Friedman R, Marcus B, Castro C, Forsyth L, Napolitano M, Pinto B. Harnessing motivational forces in the promotion of physical activity: the Community Health Advice by Telephone (CHAT) project. Health Educ Res. 2002 Oct;17(5):627-36.

Castro CM, King AC. Telephone-assisted counseling for physical activity. Exerc Sport Sci Rev. 2002 Apr;30(2):64-8. Review.

Pinto BM, Friedman R, Marcus BH, Kelley H, Tennstedt S, Gillman MW. Effects of a computer-based, telephone-counseling system on physical activity. Am J Prev Med. 2002 Aug;23(2):113-20.

Glanz K, Shigaki D, Farzanfar R, Pinto B, Kaplan B, Friedman RH. Participant reactions to a computerized telephone system for nutrition and exercise counseling. Patient Educ Couns. 2003 Feb;49(2):157-63.

Study ID Numbers:  AG0033; R01AG016587; Sponsored Proj. Office #20047
Last Updated:  August 16, 2005
Record first received:  August 8, 2005
ClinicalTrials.gov Identifier:  NCT00131092
Health Authority: United States: Federal Government
ClinicalTrials.gov processed this record on 2005-08-23


Source: ClinicalTrials.gov
Cache Date: August 24, 2005


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Page Updated: November 22, 2004
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