The CHAT (Community Health Advice by Telephone) Study

Trial ID or NCT#



not recruiting iconNOT RECRUITING


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.

Official Title

Exercise Advice by Human or Computer: Testing 2 Theories

Eligibility Criteria

Ages Eligible for Study: Older than 55 Years
Sexes Eligible for Study: All
Accepts Healthy Volunteers: Yes
Inclusion Criteria:
  1. - 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:
  1. - 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


Abby C. King