- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01142804
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
Undersøgelsestype
Tilmelding (Faktiske)
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
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
Våben og indgreb
Deltagergruppe / Arm |
Intervention / 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.
|
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.
|
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
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
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
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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
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
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- IRB-31708
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .
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