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Aktiv i Sør: a Randomized Controlled Trial (AiS)

23 mei 2017 bijgewerkt door: 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.

Studie Overzicht

Toestand

Voltooid

Conditie

Interventie / Behandeling

Studietype

Ingrijpend

Inschrijving (Werkelijk)

111

Fase

  • Niet toepasbaar

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

40 jaar tot 55 jaar (Volwassen)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

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

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Preventie
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Verviervoudigen

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: 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
Gedragsmatig: Intervention group - telephone and print exercise intervention
Intervention has previously been described.
Geen tussenkomst: Control group
The control group (CG) were encouraged to continue previous lifestyle.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change from Baseline Cardiorespiratory fitness at 6 months
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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.

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Age
Tijdsspanne: 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
Tijdsspanne: 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
Tijdsspanne: 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

Andere uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Physical activity level
Tijdsspanne: 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
Tijdsspanne: 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

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

University of Agder

Medewerkers

Norwegian School of Sport Sciences

Onderzoekers

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

Publicaties en nuttige links

De persoon die verantwoordelijk is voor het invoeren van informatie over het onderzoek stelt deze publicaties vrijwillig ter beschikking. Dit kan gaan over alles wat met het onderzoek te maken heeft.

Algemene publicaties

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

1 april 2011

Primaire voltooiing (Werkelijk)

1 oktober 2011

Studie voltooiing (Werkelijk)

1 februari 2012

Studieregistratiedata

Eerst ingediend

9 maart 2017

Eerst ingediend dat voldeed aan de QC-criteria

19 mei 2017

Eerst geplaatst (Werkelijk)

23 mei 2017

Updates van studierecords

Laatste update geplaatst (Werkelijk)

25 mei 2017

Laatste update ingediend die voldeed aan QC-criteria

23 mei 2017

Laatst geverifieerd

1 mei 2017

Meer informatie

Termen gerelateerd aan deze studie

Andere studie-ID-nummers

  • Aktiv i Sør

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

Nee

Beschrijving IPD-plan

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

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

product vervaardigd in en geëxporteerd uit de V.S.

Nee

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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