Self-Reported Versus Accelerometer-Assessed Daily Physical Activity in Childhood Obesity Treatment

Theresia M. Schnurr*, Bianca Bech, Tenna R.H. Nielsen, Ida G. Andersen, Mads F. Hjorth, Mette Aadahl, Cilius E. Fonvig, Torben Hansen, Jens Christian Holm

*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskriftArtikelForskningpeer review

Abstract

We investigated the relationship between interview-based subjective ratings of physical activity (PA) engagement and accelerometer-assessed objectively measured PA in children and adolescents with overweight or obesity. A total of 92 children and adolescents (40 males, 52 females) with BMI ≥ 90th percentile for sex and age, aged 5–17 years had valid GT3X + accelerometer-assessed PA and interview-assessed self-reported information on PA engagement at the time of enrollment in a multidisciplinary outpatient tertiary treatment for childhood obesity. Accelerometer-derived mean overall PA and time spent in moderate to vigorous physical intensity were generated, applying cut-offs based on Vector Magnitude settings as defined by Romanzini et al. (2014), and a physical activity score (PAS) based on self-reported data. Overall, a higher self-reported PAS was correlated with higher accelerometer-assessed daily total PA levels (r = 0.34, p <.01) and children who reported a high PAS were more physically active compared with children who reported a low PAS. There was a fair level of agreement between self-reported PAS and accelerometer-assessed PA (Kappa agreement = 0.23; 95% CI = [0.03, 0.43]; p =.01). PAS, derived from self-report, may be a useful instrument for evaluating PA at a group level among children and adolescents enrolled in multidisciplinary obesity treatment.

OriginalsprogEngelsk
Sider (fra-til)795-811
Antal sider17
TidsskriftPerceptual and Motor Skills
Vol/bind124
Udgave nummer4
DOI
StatusUdgivet - 1 aug. 2017

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