Expired Study
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Stanford, California 94305


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.


Study summary:

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: - participants in either physical activity counseling condition will show greater improvements in physical activity participation at 12 months compared to the attention-control condition; - participants in the human counselor condition will show greater improvements in physical activity at 12 months relative to the computer condition; and - 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.


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


NCT ID:

NCT00131092


Primary Contact:

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


Backup Contact:

N/A


Location Contact:

Stanford, California 94305
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: December 11, 2017

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