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Promoting Physical Activity Through Hand-Held Computer Technology
Open accessAbstract
Background Efforts to achieve population-wide increases in walking and similar moderate-intensity physical activities potentially can be enhanced through relevant applications of state-of-the-art interactive communication technologies. Yet few systematic efforts to evaluate the efficacy of hand-held computers and similar devices for enhancing physical activity levels have occurred. The purpose of this first-generation study was to evaluate the efficacy of a hand-held computer (i.e., personal digital assistant [PDA]) for increasing moderate intensity or more vigorous (MOD+) physical activity levels over 8 weeks in mid-life and older adults relative to a standard information control arm.Design Randomized, controlled 8-week experiment. Data were collected in 2005 and analyzed in 2006-2007.Setting/participants Community-based study of 37 healthy, initially underactive adults aged 50 years and older who were randomized and completed the 8-week study (intervention=19, control=18).Intervention Participants received an instructional session and a PDA programmed to monitor their physical activity levels twice per day and provide daily and weekly individualized feedback, goal setting, and support. Controls received standard, age-appropriate written physical activity educational materials.Main outcome measure Physical activity was assessed via the Community Healthy Activities Model Program for Seniors (CHAMPS) questionnaire at baseline and 8 weeks.Results Relative to controls, intervention participants reported significantly greater 8-week mean estimated caloric expenditure levels and minutes per week in MOD+ activity (p<0.04). Satisfaction with the PDA was reasonably high in this largely PDA-naive sample.Conclusions Results from this first-generation study indicate that hand-held computers may be effective tools for increasing initial physical activity levels among underactive adults.
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Metadata
- Authors
- King, A. C., Ahn, D. K., Oliveira, B. M., Atienza, A. A., Castro, C. M., & Gardner, C. D.
- Affiliations
- Stanford Medicine (US)
- National Cancer Institute (US)
- Venue
- American Journal of Preventive Medicine
- Publisher
- Elsevier BV
- Published
- 2008-02
- Volume
- 34
- Issue
- 2
- Pages
- 138-142
- ISSN
- 0749-3797 (ISSN-L)
- PMC
- PMC2715220
- OpenAlex
- W2029550498
- Cited by
- 160
- References
- 26
- Citations by year
- 2025: 4 · 2024: 2 · 2023: 3 · 2022: 6 · 2021: 7 · 2020: 9 · 2019: 10 · 2018: 7 · 2017: 12 · 2016: 14 · 2015: 16 · 2014: 12 · 2013: 25 · 2012: 8
- FWCI
- 5.87
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- American Journal of Preventive Medicine (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- U.S. Public Health Service (5T32 H107034)
- National Heart, Lung, and Blood Institute (T32HL007034)
- Topics
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Physical Activity and Health
- Health Sciences › Health Professions › General Health Professions › Mobile Health and mHealth Applications
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
- Keywords
- physical activity promotion, personal digital assistants, moderate-to-vigorous physical activity, older adults, middle-aged adults, goal setting, energy expenditure, CHAMPS questionnaire, technology-based interventions
- MeSH terms
- Aged, Female, Health Promotion, Humans, Male, Middle Aged, Surveys and Questionnaires, United States, User-Computer Interface, Exercise, Computers, Handheld
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