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Aktiv i Sør: a Randomized Controlled Trial (AiS)

23 maj 2017 uppdaterad 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.

Studieöversikt

Status

Avslutad

Betingelser

Intervention / Behandling

Studietyp

Interventionell

Inskrivning (Faktisk)

111

Fas

  • Inte tillämpbar

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

40 år till 55 år (Vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

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

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Förebyggande
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Fyrdubbla

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: 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
Beteende: Intervention group - telephone and print exercise intervention
Intervention has previously been described.
Inget ingripande: Control group
The control group (CG) were encouraged to continue previous lifestyle.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Change from Baseline Cardiorespiratory fitness at 6 months
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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.

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Age
Tidsram: 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
Tidsram: 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
Tidsram: 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

Andra resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Physical activity level
Tidsram: 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
Tidsram: 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

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

University of Agder

Samarbetspartners

Norwegian School of Sport Sciences

Utredare

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

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

1 april 2011

Primärt slutförande (Faktisk)

1 oktober 2011

Avslutad studie (Faktisk)

1 februari 2012

Studieregistreringsdatum

Först inskickad

9 mars 2017

Först inskickad som uppfyllde QC-kriterierna

19 maj 2017

Första postat (Faktisk)

23 maj 2017

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

25 maj 2017

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

23 maj 2017

Senast verifierad

1 maj 2017

Mer information

Termer relaterade till denna studie

Andra studie-ID-nummer

  • Aktiv i Sør

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

Nej

IPD-planbeskrivning

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

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

produkt tillverkad i och exporterad från U.S.A.

Nej

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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