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The CHAT (Community Health Advice by Telephone) Study

9. december 2009 opdateret af: National Institute on Aging (NIA)

Exercise Advice by Human or Computer: Testing 2 Theories

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.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

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.

Undersøgelsestype

Interventionel

Tilmelding

225

Fase

Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

Forenede Stater
- California
  - Stanford, California, Forenede Stater, 94305-5705
    - Stanford Prevention Research Center

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

55 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Køn, der er berettiget til at studere

Alle

Beskrivelse

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

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Tildeling: Randomiseret
Interventionel model: Parallel tildeling
Maskning: Enkelt

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Increase in physical activity measured by the Stanford 7-Day Physical Activity Recall and the Community Healthy Activities Model Program for Seniors (CHAMPS) physical activity questionnaire for older adults

Sekundære resultatmål

Resultatmål
Physical performance on a symptom-limited, graded exercise treadmill test
quality of life and psychological questionnaires measuring physical functioning, sleep, perceived stress, depressive symptoms

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

National Institute on Aging (NIA)

Efterforskere

Ledende efterforsker: Abby C. King, PhD, Stanford Prevention Research Center

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. juni 1999

Primær færdiggørelse (Faktiske)

1. december 2003

Studieafslutning (Faktiske)