Background: Several reviews of mobile health (mHealth) physical activity (PA) interventions
suggest their beneficial effects on behavior change in adolescents and adults. Owing to the …

Background Children and adolescents increasingly do not meet physical activity (PA)
recommendations. Hence, insufficient PA (IPA) and sedentary behavior (SB) among children …

Background The success of a mobile phone app in changing health behavior is thought to
be contingent on engagement, commonly operationalized as frequency of use. Objective …

Background Globally, just one in five adolescents meet physical activity guidelines and three-
quarters of the school day is spent sitting. It is unclear which types of school-based …

Background: Commercial off-the-shelf activity trackers (eg, Fitbit) allow users to self-monitor
their daily physical activity (PA), including the number of steps, type of PA, amount of sleep …

Physical activity is one of the ways to promote a healthy and balanced life. There is growing
evidence that physical activity can be promoted through the use of mHealth applications …

Abstract Background According to the Physical Activity Guidelines Advisory Committee
Scientific Report, limited evidence is available on sedentary behaviors (screen time) and …

Background: Regular physical activity (PA) has many benefits for children and adolescents,
yet many do not meet PA recommendations. Social context is important for promoting or …

Background Sociodemographic disparities in adolescent physical activity have been
documented but mostly rely on self-reported data. Our objective was to examine differences …

Social influencers are widely known as the promotors of purchase behavior as well as for
their potential to change health behaviors among individuals in their social networks. For …