Predicting Physical Activity Change: an Epidemiologic Study
NCT ID: NCT00005219
Last Updated: 2018-04-18
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
75 participants
OBSERVATIONAL
1988-04-30
1991-04-30
Brief Summary
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Detailed Description
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In 1988 when the study began, epidemiological studies had shown the health benefits of physical activity and that prevalence of physical activity was well below recommended levels. Exercise-promotion interventions were typically ineffective, and lack of knowledge of exercise determinants inhibited the design of effective interventions.
DESIGN NARRATIVE:
Data from the San Diego Health and Exercise Baseline survey conducted in 1986 were used to contact participants for the follow-up. The difference in reported activity level from time 1 to time 2 served as an estimate of change in activity. The follow-up survey elicited a two-year history of vigorous exercise and moderate-intensity exercise, both of which have substantial health benefits, as well as different determinants. Potential predictors were assessed at baseline and included demographic variables and indices based on social learning theory. Multiple regression analyses determine the combined and independent relationships of such variables as self-efficacy, social support, perceived barriers and benefits and environmental factors on both types of physical activity change. A second analysis separated subjects into the baseline physical activity groups of low, intermediate, and high activity and examined prediction of change versus no-change in each category.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Exercise Study Participants
Data from the San Diego Health and Exercise Baseline survey conducted in 1986 were used to contact participants for the follow-up
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
Exclusion
2. Cardiovascular Disease
3. Heart Disease
18 Years
60 Years
ALL
No
Sponsors
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National Heart, Lung, and Blood Institute (NHLBI)
NIH
San Diego State University
OTHER
Responsible Party
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Melbourne Hovell
Professor
Principal Investigators
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J F Sallis
Role: STUDY_DIRECTOR
San Diego State University
References
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Hovell MF, Hofstetter CR, Sallis JF, Rauh MJ, Barrington E. Correlates of change in walking for exercise: an exploratory analysis. Res Q Exerc Sport. 1992 Dec;63(4):425-34. doi: 10.1080/02701367.1992.10608765.
Hofstetter CR, Sallis JF, Hovell MF. Some health dimensions of self-efficacy: analysis of theoretical specificity. Soc Sci Med. 1990;31(9):1051-6. doi: 10.1016/0277-9536(90)90118-c.
Sallis JF, Hovell MF. Determinants of exercise behavior. Exerc Sport Sci Rev. 1990;18:307-30. No abstract available.
Sallis JF, Hovell MF, Hofstetter CR. Predictors of adoption and maintenance of vigorous physical activity in men and women. Prev Med. 1992 Mar;21(2):237-51. doi: 10.1016/0091-7435(92)90022-a.
Sallis JF, Hovell MF, Hofstetter CR, Barrington E. Explanation of vigorous physical activity during two years using social learning variables. Soc Sci Med. 1992 Jan;34(1):25-32. doi: 10.1016/0277-9536(92)90063-v.
Sallis JF, Hovell MF, Hofstetter CR, Elder JP, Faucher P, Spry VM, Barrington E, Hackley M. Lifetime history of relapse from exercise. Addict Behav. 1990;15(6):573-9. doi: 10.1016/0306-4603(90)90059-7.
Other Identifiers
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1098
Identifier Type: -
Identifier Source: org_study_id
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