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Aktiv i Sør: a Randomized Controlled Trial (AiS)

23. mai 2017 oppdatert av: Monica Klungland Torstveit, University of Agder

The Effect of a Tailored Telephone and Email Based Physical Activity Intervention on Physical Fitness and Body Composition: a Randomized Controlled Trial

The purpose of this regional parallel-group RCT was to assess the effect of a six-month tailored telephone and email based physical activity intervention on various measures of physical fitness and body composition in a sample of physically inactive adults. A total of 111 physically inactive adults (40-55yr) from Agder, Norway were randomly allocated to either an intervention group (IG;n=56) or a no-intervention control group (CG;n=55). The IG received tailored exercise recommendations, every two months by email or mail (print) in addition to motivational follow-ups every second week, alternatively by email and telephone. Primary outcome measures were various objective measures of musculoskeletal and cardiorespiratory fitness in addition to various measures of body composition, including waist circumference, body mass index and fat percentage, which were assessed pre- and post-intervention.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Faktiske)

111

Fase

  • Ikke aktuelt

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

40 år til 55 år (Voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

Participants were included in the study if they were

  • healthy
  • between the ages of 40-55
  • residents of the Agder counties in Norway
  • classified as physically inactive (not fulfill the recommendations for physical activity given by the Norwegian Directorate of Health
  • within stage one to three of the five stages of change in the transtheoretical model stages of change

Exclusion Criteria:

Participants were excluded if they were

  • Unhealthy/ill
  • younger than 40 years or older than 55 years
  • living outside the Agder counties in Norway
  • allready fulfilling the national recommendations given by the Norwegian Directorate of Health
  • within stage four or five of the five stages of change in the transtheoretical model stages of change

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Forebygging
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Intervention group - telephone and print exercise intervention
The intervention group (IG) received a total of three intervention packages, one every second month, during the intervention period. The first intervention package was distributed at intervention start. The intervention package consisted of a tailored exercise program, national recommendations for physical activity, prompts and reminders. Additionally the IG received fortnightly supportive motivational contact every two weeks, alternately by telephone og email
Atferdsmessig: Intervention group - telephone and print exercise intervention
Intervention has previously been described.
Ingen inngripen: Control group
The control group (CG) were encouraged to continue previous lifestyle.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change from Baseline Cardiorespiratory fitness at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Cardiorespiratory fitness was measured by a modified Balke protocol on a treadmill and registered in ml/kg/min
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Muscular endurance of the back extensors at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
The static back extension test recorded muscular endurance of the back extensors as number of seconds the subject managed to endure a static horizontal position, with their lower body supported by a bench (max 240 sec).
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Hand grip strength at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Hand grip strength was registered to the nearest 1 kilogram (kg) using a hydraulic dynamometer
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Neuromotor fitness at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Neuromotor fitness was registered using the one leg standing test where the duration each subject managed to hold a balancing position was recorded in seconds (max 60 seconds).
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Muscular dynamic endurance of and the ability to stabilize the upper body at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Muscular dynamic endurance of and the ability to stabilize the upper body was registered using a modified push-ups test. The amount of correctly performed repetitions completed in 40 seconds, was recorded in number.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Flexibility of the hamstring musculature at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Flexibility of the hamstring musculature was recorded using the sit-and-reach test to the nearest half centimeter, using a specially designed box.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Flexibility in the shoulder joint at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Flexibility of the shoulder joint was registered to the nearest centimeter, using the back-scratch test. The mean registered flexibility score of both shoulders was recorded.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Explosive power in the lower extremities at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Explosive power in the lower extremities was recorded to the nearest centimeter, using the vertical jump test.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Body mass index at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Body mass index was calculated using the formula weight/height^2. Height and weight were measured using a measuring band (meters) and a weight scale (kilograms) respectively.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Waist circumference at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Waist circumference was registered using a measuring band and the mean of two measures was recorded to the nearest half-centimeter.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Fat percentage at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Fat percentage was measured using the bioimpedance machine InBody 720 and using skinfolds. Both registered body fat percentage.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Change from Baseline Cardiorespiratory fitness at 6 months
Tidsramme: Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.
Cardiorespiratory fitness was measure by a modified Balke protocol on a treadmill and registered in l/min.
Data collected prior to (pre) and after (post) a 6 month intervention period. Pretest was conducted in March-April, 2011 and post test was conducted in October-November, 2011.

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Age
Tidsramme: This is one of the descriptive statistics which was collected at one time point only. Data were collected on day one, in april 2011.
Age was assessed by questionaire to the nearest whole year.
This is one of the descriptive statistics which was collected at one time point only. Data were collected on day one, in april 2011.
Gender
Tidsramme: This is one of the descriptive statistics which was collected at one time point only. Data were collected on day one, in april 2011
Gender was assessed using a questionnaire and outcome was either Female or male.
This is one of the descriptive statistics which was collected at one time point only. Data were collected on day one, in april 2011
Educational level
Tidsramme: This is one of the descriptive statistics which was collected at one time point only. Data were collected on day one, in april 2011
Educational level was assessed using a questionnaire as one of four different levels
This is one of the descriptive statistics which was collected at one time point only. Data were collected on day one, in april 2011

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Physical activity level
Tidsramme: This is one of the variables determining inclusion to the study and was collected at one time point only. Data were collected on day one, in april 2011
Physical activity level was assessed using IPAQ- sf as minutes of physical activity per week.
This is one of the variables determining inclusion to the study and was collected at one time point only. Data were collected on day one, in april 2011
Stage of change
Tidsramme: This is one of the variables determining inclusion to the study and was collected at one time point only. Data were collected on day one, in april 2011
Stage of change was assessed using a questionnaire as one of five alternatives.
This is one of the variables determining inclusion to the study and was collected at one time point only. Data were collected on day one, in april 2011

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

University of Agder

Samarbeidspartnere

Norwegian School of Sport Sciences

Etterforskere

  • Hovedetterforsker: Monica K Torstveit, PhD, University of Agder

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. april 2011

Primær fullføring (Faktiske)

1. oktober 2011

Studiet fullført (Faktiske)

1. februar 2012

Datoer for studieregistrering

Først innsendt

9. mars 2017

Først innsendt som oppfylte QC-kriteriene

19. mai 2017

Først lagt ut (Faktiske)

23. mai 2017

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

25. mai 2017

Siste oppdatering sendt inn som oppfylte QC-kriteriene

23. mai 2017

Sist bekreftet

1. mai 2017

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • Aktiv i Sør

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

Nei

IPD-planbeskrivelse

The IPD of the present study will be shared through publications (articles).

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

produkt produsert i og eksportert fra USA

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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