Tracking of objectively measured physical activity from childhood to adolescence: the European youth heart study.

摘要: A number of studies have investigated tracking physical activity from childhood to adolescence and, in general, these been based on methods with some degree subjectivity (e.g., questionnaires). The aim the present study was evaluate using accelerometry, taking into account major sources variation activity. Both a crude and an adjusted model fitted, model, analyses were corrected for seasonal variation, within-week registration during night time sleep, within instrumental measurement error, day-to-day In all, 208 subjects included analyses. Stability coefficients estimated low (i.e., 0.18 0.19 boys girls, respectively) only borderline significant. However, highly significant stability 0.53 0.48 respectively, observed. It concluded that behavior tends track moderately adolescence.