WalkLink: Internet-based Walking Program (WalkLink)
WalkLink:Internet-based Walking Program for Cardiovascular Disease Risk-Reduction
The investigators propose a randomized controlled trial based on the Social Networks for Activity (SNAP) Model to evaluate: (1) the effectiveness of an internet-based fitness walking program delivered to patients with risk factors for cardiovascular disease and stroke; and (2) the contribution of social support networks to enhancing the effectiveness of the internet-based fitness walking program. The investigators will recruit 308 patients who are sedentary and have risk factors for cardiovascular disease and randomly assign them to one of the following groups: 1. Internet-based fitness walking program (WalkLink); 2. Internet-based fitness walking program plus additional social network intervention (WalkLink+); and 3. Minimal treatment control.
The primary specific aims of this study are to:
- Evaluate the effects of WalkLink and WalkLink+ relative to a minimal treatment control group on change in: physical activity, aerobic fitness, blood pressure, body composition, and body mass index (BMI), from baseline to posttest, and at 6-month follow-up.
- Compare the differential effectiveness of WalkLink+ to WalkLink on change in: physical activity, aerobic fitness, blood pressure, body composition and BMI from baseline to posttest, and at 6-month follow-up.
- Evaluate the mediator and moderator effects of selected individual-level self-management skills (goal setting, planning, self-monitoring), social support variables (number of activity partners, social cues for walking, social praise/reinforcement), and physical-ecological variables (neighborhood walkability, physical cues for walking) on WalkLink and WalkLink+ treatment outcomes.
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Pennsylvania
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Hershey, Pennsylvania, Forenede Stater, 17033
- Penn State College of Medicine, Penn State Milton S. Hershey Medical Center
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Sedentary, defined as less than 150 minutes per week of moderate intensity activity
- Between the ages of 35 and 64
- Able to speak English
- Able to provide informed consent
- Able to participate in moderate-intensity physical activity (e.g., moderate pace walking)
Exclusion Criteria:
- No access to home or private work computer with Internet access
- Body mass index (BMI) greater than 39.9
- Systolic blood pressure > 160 mm Hg or diastolic blood pressure > 100 mm Hg
- Bone, joint, or foot problems that interfere with walking
- Diabetes, pulmonary, or cardiovascular disease
- Consume 5 or more drinks of alcohol a day
- Currently pregnant
- Not living within the preselected study neighborhoods or plan to move from the local area during the study period
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Forebyggelse
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Eksperimentel: Enhanced Usual Care Group
Participants received weekly emailed tips of the week to provide support for walking.
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Walking programs with various levels of support will be administered to determine which one is most effective.
Andre navne:
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Eksperimentel: WalkLink Group
Participants received weekly emailed tips of the week, plus evidence-based online fitness walking program.
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Walking programs with various levels of support will be administered to determine which one is most effective.
Andre navne:
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Eksperimentel: WalkLink+ Group
Participants received weekly emailed tips, plus evidence-based online fitness walking program, plus online/in-person social network intervention.
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Walking programs with various levels of support will be administered to determine which one is most effective.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Moderate Vigorous Activity
Tidsramme: 9 months
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Change in Moderate Vigorous Activity will be assessed using Actigraph accelerometers
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9 months
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Health Risk Factors
Tidsramme: 9 months
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Aerobic fitness, blood pressure, body mass index, body composition
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9 months
|
Andre resultatmål
Andre resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Environmental Factors
Tidsramme: 9 months
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Built and social environment factors
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9 months
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Liza Rovniak, PhD, MPH, Penn State College of Medicine, Penn State Milton S. Hershey Medical Center
Publikationer og nyttige links
Generelle publikationer
- Rovniak LS, Kong L, Hovell MF, Ding D, Sallis JF, Ray CA, Kraschnewski JL, Matthews SA, Kiser E, Chinchilli VM, George DR, Sciamanna CN. Engineering Online and In-Person Social Networks for Physical Activity: A Randomized Trial. Ann Behav Med. 2016 Dec;50(6):885-897. doi: 10.1007/s12160-016-9814-8.
- Rovniak LS, Sallis JF, Kraschnewski JL, Sciamanna CN, Kiser EJ, Ray CA, Chinchilli VM, Ding D, Matthews SA, Bopp M, George DR, Hovell MF. Engineering online and in-person social networks to sustain physical activity: application of a conceptual model. BMC Public Health. 2013 Aug 14;13:753. doi: 10.1186/1471-2458-13-753.
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- IRB-31708
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