Closing the Gap Between Self-reported and Accelerometer-based Physical Activity (GAP)
Effect of an Intensity Level Video Demonstration on the Gap Between Self-reported and Accelerometer-measured Physical Activity in Individuals Aged 40 to 75 Years
Studieoversigt
Status
Betingelser
Intervention / Behandling
Detaljeret beskrivelse
This study examines whether the demonstration of different intensity levels of physical activity by video in the context of a tablet PC (personal computer)-based survey can achieve a higher degree of concordance between self-reported and accelerometer-measured physical activity compared to an assessment without video demonstration. The recruitment of the study participants in the age range between 40 and 75 years takes place in a shopping center in the city Greifswald in Germany.
Informed consent consists of: (i) activity recording over 7 days using an accelerometer, (ii) completion of standardized questionnaires, (iii) participation in a standardized measurement of weight and height as well as waist and hip circumference.
Participants are asked to wear an accelerometer during the day for a period of 7 days. Subsequently, a questionnaire about the frequency, duration and intensity of physical activity in the last 7 days will be answered in the DZHK (Deutsches Zentrum für Herz-Kreislauf-Forschung)- examination center. Prior to the physical activity assessment the study participants are randomly assigned to the study conditions "Video" or "No Video" (ratio 1:1). Optionally, participants may receive feedback on their physical activity measured by accelerometer upon completion of the study.
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Greifswald, Tyskland
- Institute of Social Medicine and Prevention, University Medicine Greifswald
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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:
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Exclusion Criteria:
- cognitive impairment
- inadequate language skills
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Screening
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Enkelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
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Eksperimentel: "Video"-group
Video group: Individuals in this group receive the intervention "Video demonstration of physical activity intensity levels".
They watch a 3-minute-video explaining and visualizing light-, moderate-, and vigorous-intensity levels of physical activity before completing a tablet PC-supported physical activity assessment at the DZHK-examination center.The video can not be skipped.
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In the video demonstration, an approximately 50 year old male explains 1) light-intensity, 2) moderate-intensity, and 3) vigorous-intensity physical activity referring to differences in heart rate, breathing frequency and capability to talk normally.
Simultaneously, on a treadmill he demonstrates the body signs of the three intensity levels.
He gives examples and points out that there are individual differences in the intensity evaluation of comparable activities.
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Ingen indgriben: "No video"-group
No video group: Individuals in this group do not receive the intervention "Video demonstration of physical activity intensity levels".
They complete a tablet PC-supported physical activity assessment at the DZHK-examination center without receiving a 3-minute-video explaining and visualizing the different intensity levels of physical activity.
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
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Difference between physical activity measured by self-report and by accelerometry
Tidsramme: The accelerometer is worn for 7 days and then the IPAQ-SF is retrospectively answered for these 7 days.
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Measures: assessement via tablet PC (International Physical Activity Questionnaire-Short Form, IPAQ-SF) and objective measurement by accelerometry
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The accelerometer is worn for 7 days and then the IPAQ-SF is retrospectively answered for these 7 days.
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Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- GAP05/18
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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