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Cited by 118Physical Activity and HealthMobile Health and mHealth ApplicationsBehavioral Health and Interventions

Internet-delivered behavior change program increases physical activity and improves cardiometabolic disease risk factors in sedentary adults: Results of a randomized controlled trial

Carr, Lucas J., Bartee, R. Todd, Dorozynski, Chris, Broomfield, James F., Smith, Marci L., Smith, Derek T.·2008·Preventive Medicine
DOI 10.1016/j.ypmed.2007.12.005
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Abstract

Objectives To determine whether the Active Living Every Day (ALED-I) internet-delivered theory-based physical activity (PA) behavior change program increases PA and improves cardiometabolic disease risk factors (CDRF) in sedentary overweight adults.Methods The study was a randomized control trial that took place in southern Wyoming and northern Colorado from 2005-2007. Thirty-two men and women (21-65 years) were randomized to a 16-week ALED-I intervention (n=14; age=41.4+/-3.7 years; BMI=32.3+/-1.3 kg/m(2)) or a delayed intent-to-treat control condition (n=18; age=49.4+/-1.7 years; BMI=30.6+/-0.8 kg/m(2)). At baseline and post-intervention, PA by pedometer and CDRFs were measured.Results Both groups had similar baseline PA levels. ALED-I increased PA by an average of 1384 steps/day (p=0.03) compared to 816 steps/day (p=0.14) for the control group. Waist circumference (100.6+/-2.4 vs. 96.6+/-2.7 cm) and Coronary Risk Ratio (5.1+/-0.3 vs. 4.7+/-0.3) decreased in the ALED-I group and did not change in the control group (99.2+/-2.2 vs.99.8+/-2.1 cm) and (3.7+/-0.1 vs. 3.7+/-0.1), respectively.Conclusions The internet-delivered ALED program increased PA and improved some CDRFs in sedentary overweight/obese adults. To our knowledge, this is the first efficacy trial of the internet-delivered ALED program. Further studies are warranted due to the reach and cost-effectiveness of internet-delivered PA programs.

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  • Logins were found to be positively associated with outcome in studies targeting food and vegetable consumption, physical activity, and weight management.

    “Using the previously described rating system, logins were found to be positively associated with outcome in studies targeting food and vegetable consumption [32], physical activity [33-37], and weight management [38-40].”

    From A Systematic Review of the Impact of Adherence on the Effectiveness of e-Therapies (2011) · cites this paper as [33]

  • In studies targeting physical activity or depression, the number of activities completed was not found to correlate with outcomes.

    “In studies targeting physical activity [33,34] or depression [45], the number of activities completed was not found to correlate with outcomes.”

    From A Systematic Review of the Impact of Adherence on the Effectiveness of e-Therapies (2011) · cites this paper as [33]

  • Several studies categorized participants into adherent or not, or usage categories such as low, medium, and high, while others used continuous variables or a combination of these.

    “Several studies categorized participants into adherent or not [49,54,57,75], or usage categories such as low, medium, and high [60], while others used continuous variables [23,24,33-36,38-41,43-45,50-52,55,56,58,59,61,76] or a combination of these [42,46,53,64-66,77].”

    From A Systematic Review of the Impact of Adherence on the Effectiveness of e-Therapies (2011) · cites this paper as [33]

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Authors
Carr, L. J., Bartee, R. T., Dorozynski, C., Broomfield, J. F., Smith, M. L., & Smith, D. T.
Affiliations
University of Wyoming (US)
Corresponding author
Smith, Derek T.
ORCID
Venue
Preventive Medicine
Publisher
Elsevier BV
Published
2008-05
Volume
46
Issue
5
Pages
431-438
ISSN
0091-7435 (ISSN-L)
DOI
10.1016/j.ypmed.2007.12.005
OpenAlex
W1976954873
Cited by
118
References
52
Citations by year
2026: 1 · 2025: 2 · 2024: 8 · 2023: 10 · 2022: 3 · 2021: 4 · 2020: 3 · 2019: 4 · 2018: 2 · 2017: 3 · 2016: 7 · 2015: 8 · 2014: 10 · 2013: 9 · 2012: 10
FWCI
7.46
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Preventive Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (2p20rr016474-09)
  • National Center for Research Resources (P20-RR-016474)
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Health Professions › General Health Professions › Mobile Health and mHealth Applications
  • Social Sciences › Psychology › Applied Psychology › Behavioral Health and Interventions
Keywords
online intervention, physical activity, behaviour change interventions, cardiometabolic risk factors, sedentary adults, overweight adults, theory-based intervention, waist circumference, pedometer-measured steps, obesity
MeSH terms
Adult, Analysis of Variance, Colorado, Computer-Assisted Instruction, Female, Health Promotion, Humans, Male, Middle Aged, Obesity, Risk Factors, Wyoming, Exercise, Internet, Metabolic Syndrome

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