Physical Activity

Identifying Influence Agents That Promote Physical Activity Through the Simulation of Social Network Interventions: Agent-Based Modeling Study

Background: Social network interventions targeted at children and adolescents can have a substantial effect on their health behaviors, including physical activity. However, designing successful social network interventions is a considerable research …

Comparing the Measurement of Different Social Networks: Peer Nominations, Online Communication, and Proximity Data (Preprint)

The current study compared peer nominated networks with more unobtrusive measures of peer connections: Online communication networks and proximity networks based on smartphones’ Bluetooth signals measuring peer proximity. The three networks were …

Testing a Social Network Intervention using Vlogs to Promote Physical Activity among Adolescents: A Randomized Controlled Trial (Preprint)

There is a need to stimulate physical activity among adolescents, but unfortunately, they are hard to reach with traditional mass media interventions. Given the popularity and the networked structure of social media, social network intervention seems …

An integrated model of fruit, vegetable, and water intake in young adolescents

OBJECTIVE: In this study, we tested an integrated model for why young adolescents consume fruit, vegetables, and water. The model was based on evidence from studies applying three dominant theoretical approaches, including planned behavior, social …

Using Simulations for Exploring Interventions in Social Networks: Modeling Physical Activity Behaviour in Dutch School Classes

The reduction of childhood obesity through the promotion of a healthy lifestyle is one of the most important public health challenges at the moment. It is known that the unhealthy habits of children can cause unavoidable side effects in their early …

A randomized controlled trial testing a social network intervention to promote physical activity among adolescents

The current study examined the effectiveness of a social network intervention to promote physical activity among adolescents. Social network interventions utilize peer influence to change behavior by identifying the most influential individuals …

Youth’s social network structures and peer influences: study protocol MyMovez project–Phase I

Youth are an important target group for social network interventions, because they are particularly susceptible to the adaptation of healthy and unhealthy habits and behaviors of others. They are surrounded by ‘social influence agents’ (i.e., role …