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Stage-based Exercise Promotion Study (STEPS)

13. november 2012 opdateret af: Freie Universität Berlin

The purpose of this study is to increase regular physical activity among students by fostering self-management competencies. The intervention was implemented as paper-pencil intervention. The aim of this research project is to evaluate a motivational and volitional intervention in comparison to a control intervention.

Study participants will be recruited in lectures at Freie Universitaet Berlin and followed up twice (two and ten weeks after baseline).

The motivational intervention is expected to increase unmotivated participants' intention to be physically active. The volitional intervention is expected to promote physical activity among motivated but inactive participants. Both interventions are hypothesized to improve self-management competencies over time.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

An experimental study is planned over a time period of ten weeks. In the physical activity study, participants will randomly be allocated to either one of two intervention groups (IG) or to an active control group (ACG), receiving a quiz on physical activity and sports. Intervention group 1 receives a paper-pencil intervention which focuses on positive outcome expectancies (motivational intervention). Intervention group 2 receives a paper-pencil intervention which promotes the formulation of action plans for physical activity (volitional intervention).

Furthermore, all participants will receive two emails as intervention boosters until the end of the study.

Study participants will be invited to take part in the study during lectures of the Freie Universitaet Berlin. The students will be followed up twice: two weeks after T1 (paper-pencil), T2 will take place (paper-pencil). Eight weeks after T2 the T3 assessment will be conducted online.

The hypotheses are:

Participants of the motivational intervention report a larger increase in motivation to adopt physical activity from T1 to T2 and T3, as compared to the participants of the volitional or the control intervention. Effects will be larger in unmotivated participants than in already motivated participants.

Participants of the volitional intervention report a larger increase in physical activity from T1 to T2 and T3, as compared to the participants of the motivational or the control intervention. Effects will be larger in motivated participants than in unmotivated participants.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

500

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Tyskland
      • Berlin, Tyskland, 14195
        • Freie Universität Berlin

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • to be capable of exercising on their own at a minimum level
  • able to fill out a questionnaire (no illiteracy)
  • adequate German language ability

Exclusion Criteria:

  • no internet access
  • no email address

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Tredobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Intervention

Participants will be allocated to a motivational intervention, a volitional intervention or the active control group.

The motivational intervention promotes positive outcome expectancies on physical activity. The volitional intervention promotes the formulation of action plans for physical activity. Participants in the active control group, receive a quiz on physical activity and sports.
Adfærdsmæssigt: Motivational intervention
The motivational intervention promotes positive outcome expectancies on physical activity.
Adfærdsmæssigt: Volitional intervention
The volitional intervention promotes the formulation of action plans for physical activity.
Adfærdsmæssigt: Active Control
Participants receive a quiz on physical activity and sports.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Self-reported physical activity frequency and duration
Tidsramme: two months
Participants will be asked on how many days per week they were physically active and how much time they had spent on average performing these activities on each of these days (adapted version of the Godin scale)
two months

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Algorithm for Stages of Change (SOC) based on behavior and intention
Tidsramme: two months
Participants will be asked if they already are physically active and if they want to be more physically active, using a validated staging algorithm.
two months
Social Cognition
Tidsramme: two months
We will assess social cognition based on a validated psychometric scale that is worded in a behavior-specific manner (physical activity) and has several subscales.
two months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Freie Universität Berlin

Efterforskere

  • Studiestol: Ralf Schwarzer, PhD, Freie Universität Berlin

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. februar 2011

Primær færdiggørelse (Faktiske)

1. april 2011

Studieafslutning (Faktiske)

1. maj 2011

Datoer for studieregistrering

Først indsendt

1. februar 2011

Først indsendt, der opfyldte QC-kriterier

2. februar 2011

Først opslået (Skøn)

3. februar 2011

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

15. november 2012

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

13. november 2012

Sidst verificeret

1. februar 2011

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • STEP-2011-PK

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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Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner