Heart at Work Study
Cardiovascular Mechanisms of the Occupational Physical Activity Health Paradox: 24-hour Physical Activity, Blood Pressure, and Heart Rate
Studieoversikt
Status
Status
Forhold
Forhold
Detaljert beskrivelse
Studietype
Studietype
Registrering (Faktiske)
Registrering
Kontakter og plasseringer
Studiesteder
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Pennsylvania
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Pittsburgh, Pennsylvania, Forente stater, 15261
- Physical Activity and Weight Management Research Laboratory
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Deltakelseskriterier
Kvalifikasjonskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Prøvetakingsmetode
Studiepopulasjon
Beskrivelse
Inclusion Criteria:
- middle age (35-59 years)
- male
- self-report working full-time in the food service industry (≥30 hours/week)
- self-report predominantly completing light intensity activity job responsibilities (≥75% work time walking, light movement, or standing)
Exclusion Criteria:
- Resting blood pressure of ≥150 mmHg systolic and/or ≥95 mmHg diastolic
- currently taking medications that are known to affect blood pressure or heart rate (e.g. Beta-blockers, ACE inhibitors, etc.)
- greater than low risk to participate in physical activity as determined by PAR-Q (answer of yes to any of the 7 physical activity readiness questionnaire questions)
- report working a second job in addition to their primary full-time job
- report working overnight shifts (10pm-6am)
- reported physical dysfunction (inability to walk 2 city blocks or climb 2 flights of stairs)
- inability to complete the sub-maximal exercise test to completion (80% age-predicted heart rate maximum)
- Currently being treated for a serious medical condition such as kidney disease, liver disease, cancer, or heart disease.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Observasjonsmodeller: Case-Crossover
- Tidsperspektiver: Tverrsnitt
Hva måler studien?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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24-hour Heart Rate
Tidsramme: 24 hours
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We will calculate the average heart rate over each 24 hour period throughout a one week monitoring period.
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24 hours
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
24-hour Ambulatory Systolic Blood Pressure
Tidsramme: 24 hours
|
We will calculate the average systolic blood pressure over a 24-hour period on two separate days (workdays versus non-workdays).
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24 hours
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Nocturnal Heart Rate Variability, RMSSD
Tidsramme: approximately 8 hours (sleep time)
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We will calculate the average heart rate variability during each night's sleep for a total of one week.
The specific HRV variable presented is root mean square successive differences (RMSSD).
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approximately 8 hours (sleep time)
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|
Physical Activity Pattern. Steps Per Day
Tidsramme: 1 week
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This physical activity metric of steps per day was calculated as average number of steps during each day type (work versus non-workdays) throughout one week
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1 week
|
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Nocturnal Heart Rate Variability, SDNN
Tidsramme: approximately 8 hours (sleep time)
|
We will calculate the average heart rate variability during each night's sleep for a total of one week.
The specific HRV variable presented is standard deviation of the normal to normal RR intervals (SDNN).
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approximately 8 hours (sleep time)
|
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Nocturnal Heart Rate Variability, LF
Tidsramme: approximately 8 hours (sleep time)
|
We will calculate the average heart rate variability during each night's sleep for a total of one week.
The specific HRV variable presented is low frequency power (LF).
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approximately 8 hours (sleep time)
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Nocturnal Heart Rate Variability, HF
Tidsramme: approximately 8 hours (sleep time)
|
We will calculate the average heart rate variability during each night's sleep for a total of one week.
The specific HRV variable presented is high frequency power (HF).
|
approximately 8 hours (sleep time)
|
|
Physical Activity Pattern. MVPA
Tidsramme: 1 week
|
This physical activity metric of minutes of moderate to vigorous physical activity was calculated as average minutes during each day type (work versus non-workdays) throughout one week
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1 week
|
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Physical Activity Pattern. LPA
Tidsramme: 1 week
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This physical activity metric of minutes of light physical activity was calculated as average minutes during each day type (work versus non-workdays) throughout one week
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1 week
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Physical Activity Pattern. Sedentary
Tidsramme: 1 week
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This physical activity metric of minutes of sedentary time was calculated as average minutes during each day type (work versus non-workdays) throughout one week
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1 week
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Physical Activity Pattern. Upright
Tidsramme: 1 week
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This physical activity metric of minutes of upright time was calculated as average minutes during each day type (work versus non-workdays) throughout one week
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1 week
|
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24-hour Ambulatory Diastolic Blood Pressure
Tidsramme: 24 hours
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We will calculate the average diastolic blood pressure over a 24-hour period on two separate days (workdays versus non-workdays).
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24 hours
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Samarbeidspartnere og etterforskere
Sponsor
Sponsor
Etterforskere
Etterforskere
- Hovedetterforsker: Tyler D Quinn, MS, graduate student
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Studiestart
Primær fullføring (Faktiske)
Primær fullføring
Studiet fullført (Faktiske)
Studiet fullført
Datoer for studieregistrering
Først innsendt
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Først lagt ut
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Sist oppdatering lagt ut
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
Andre studie-ID-numre
- STUDY19050097
Plan for individuelle deltakerdata (IPD)
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IPD-planbeskrivelse
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