Assessment of physical activity in preschoolers
ISPAH ePoster Library. Roda C. 10/15/18; 225531; 103
Celine Roda
Celine Roda
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Abstract Introduction Accurate assessment of physical activity (PA) in preschoolers is challenging. We aimed to compare a direct measure of PA in preschoolers with parental-report measures.Methods A total of 40 preschoolers in Spain and Greece worn an Actigraph GT3x accelerometer for at least 3 days. Their parents filled out a questionnaire about their child’s PA (type, frequency, and duration of moderate-to vigorous PA – MVPA) and sedentary behavior over a typical week. They also reported how they rated their child’s activity. Validity and reliability (one month apart) of parental-report measures were assessed using Spearman correlations, Bland-Altman plots, intraclass correlations (ICC), and Wilcoxon tests.Results Half of participants were boys. The mean (SD) age of children was 4.2 (0.6) years. Validity: Medians of time spent in MVPA during school time and out-of-school hours assessed by accelerometer (versus questionnaire) were 51.5 min (vs. 60.0 min) and 43.0 min (vs. 58.6 min), respectively. Measures derived from accelerometer and questionnaire were significantly correlated (r>0.50). The questionnaire overestimated daily time spent in MVPA (mean difference +22.2 min/day compared to accelerometer). Highest values of accelerometer measures were observed for children considered as “quite or very active” by their parents. Reliability: No difference between the two waves was identified for all indicators of time spent in MVPA, and sedentary behavior. The ICC for total MVPA and TV viewing were 0.45 (95% CI: 0.07; 0.71) and 0.90 (95% CI: 0.79; 0.96), respectively.Conclusions The designed questionnaire might be a useful tool for assessing preschoolers’ PA in large epidemiological studies.
Abstract Introduction Accurate assessment of physical activity (PA) in preschoolers is challenging. We aimed to compare a direct measure of PA in preschoolers with parental-report measures.Methods A total of 40 preschoolers in Spain and Greece worn an Actigraph GT3x accelerometer for at least 3 days. Their parents filled out a questionnaire about their child’s PA (type, frequency, and duration of moderate-to vigorous PA – MVPA) and sedentary behavior over a typical week. They also reported how they rated their child’s activity. Validity and reliability (one month apart) of parental-report measures were assessed using Spearman correlations, Bland-Altman plots, intraclass correlations (ICC), and Wilcoxon tests.Results Half of participants were boys. The mean (SD) age of children was 4.2 (0.6) years. Validity: Medians of time spent in MVPA during school time and out-of-school hours assessed by accelerometer (versus questionnaire) were 51.5 min (vs. 60.0 min) and 43.0 min (vs. 58.6 min), respectively. Measures derived from accelerometer and questionnaire were significantly correlated (r>0.50). The questionnaire overestimated daily time spent in MVPA (mean difference +22.2 min/day compared to accelerometer). Highest values of accelerometer measures were observed for children considered as “quite or very active” by their parents. Reliability: No difference between the two waves was identified for all indicators of time spent in MVPA, and sedentary behavior. The ICC for total MVPA and TV viewing were 0.45 (95% CI: 0.07; 0.71) and 0.90 (95% CI: 0.79; 0.96), respectively.Conclusions The designed questionnaire might be a useful tool for assessing preschoolers’ PA in large epidemiological studies.
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