Abstract
Physical activity (PA) is associated with multiple beneficial health outcomes. Unfortunately, current studies report an alarming decrease of PA throughout all age groups. This study aims to assess general feasibility and PA levels of kindergarten and primary school children with wearable technology specifically manufactured for young children. From April 2017 to August 2017, a total of 59 children (7.1 ± 1.7 years, 34 girls) recorded their PA for seven consecutive day wearing a wearable bracelet (Garmin vivofit jr). Afterward, they filled out a short, child-oriented questionnaire to rate the feasibility. The general feasibility of the devices was rated as rather well regarding size, materials, and wearing comfort. Moreover, children achieved a mean of 83 ± 18 min of moderate-to-vigorous physical activity (MVPA) and 12.202 ± 2.675 steps per day on a weekly average. Therefore, 52 (88.1%) children, and almost all boys (96%), fulfilled the WHO criteria of 60 min of MVPA per day on a weekly average. Wearables bracelets seem to be feasible devices for PA assessment even in young children. Nevertheless, their potential to increase PA for primary and secondary prevention of cardiovascular disease, as well as the long-term compliance needs to be clarified in further studies.
Highlights
Being physically active is one of the most important cornerstones for people of all ages to maintain physical and mental health [1]
Children achieved a mean of 83 ± 18 min of moderate-to-vigorous physical activity (MVPA) and a total 12.202 ± 2.675 steps on a weekly average of 7 days
There was a slight incline in MVPA from Monday to Friday that was more present in boys (Figure 1)
Summary
Being physically active is one of the most important cornerstones for people of all ages to maintain physical and mental health [1]. Since the first PA recommendations for adults were published in 1995 from the Center for Disease Control (CDC) [3], several modifications have been issued and specific recommendations addressed, in particular for children and elderly people [4, 5]. Many countries have established national recommendations and guidelines to increase PA throughout the population. This was mainly caused by a lot of sectional and epidemiological studies reporting continuously decreasing PA in adults, adolescents, and children [6]. Wearables in Children measuring PA is challenging and methodologies range from labor intensive direct observation, over secondary measures of heart rate monitoring or accelerometry, to subjective measures of self-report [7]
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