Accelerometers and Internet for physical activity promotion in youth? Feasibility and effectiveness of a minimal intervention [ISRCTN93896459]

Sander M Slootmaker, Mai J M Chinapaw, Jacob C Seidell, Willem van Mechelen, A.J. Schuit

Research output: Contribution to journalArticleScientificpeer-review

43 Citations (Scopus)

Abstract

Objective:

To evaluate the feasibility and effectiveness of a 3-month minimal physical activity (PA) intervention in adolescents.

Methods:

A randomised controlled trial, including five secondary schools (n=87). In the 3-month intervention (Amsterdam, The Netherlands, 2005) adolescents were provided with a PAM accelerometer, coupled to a web-based tailored PA advice (PAM COACH). Measurements (i.e., PA, determinants of PA, aerobic fitness and anthropometrics) took place at baseline and at 3- and 8-month follow-up.

Results:

Sixty-five percent of the participants in the intervention group reported to have worn the PAM frequently and 56% of the PAM users uploaded their PAM scores to the PAM COACH at least once. We found significant differences between groups in favour of the intervention group in moderate intensity PA (MPA) for girls after 3 months (411 min/week; 95% CI: 1; 824; P=0.04) and in sedentary time for boys after 8 months (-1801 min/week; 95% CI: -3545; -57; P=0.04).

Conclusions:

Although the process evaluation suggests that a substantial proportion of the participants did not regularly wear the PAM and did not upload information to the PAM COACH website, our findings suggest promising intervention effects on MPA among girls and sedentary time among boys.

Original languageEnglish
Pages (from-to)31-36
JournalPreventive Medicine
Volume51
Issue number1
DOIs
Publication statusPublished - Jul 2010
Externally publishedYes

Keywords

  • Adolescent
  • Exercise
  • Exercise Test
  • Exercise Therapy
  • Feasibility Studies
  • Female
  • Humans
  • Internet
  • Male
  • Monitoring, Ambulatory
  • Patient Compliance
  • Physical Fitness
  • Risk Reduction Behavior
  • Sedentary Lifestyle
  • Sex Factors
  • Telemedicine
  • Journal Article
  • Randomized Controlled Trial
  • Research Support, Non-U.S. Gov't

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