Mediators of the effect of the JUMP-in intervention on physical activity and sedentary behavior in Dutch primary schoolchildren from disadvantaged neighborhoods
Background: Important health benefits can be achieved when physical activity in children from low socio-economic status is promoted and sedentariness is limited. By specifying the mediating mechanisms of existing interventions…
Differences in weight status and energy-balance related behaviors among schoolchildren across Europe
The ENERGY-Project
Background: Current data on the prevalence of overweight and energy-balance behaviors among European children is necessary to inform overweight prevention interventions. Methodology/Principal Findings: A school-based survey among 10-12 year old…
Physical activity and performance at school
A systematic review of the literature including a methodological quality assessment
Objective: To describe the prospective relationship between physical activity and academic performance. Studies had to report at least 1 physical activity or physical fitness measurement during childhood or adolescence. Main…
Determinants of physical activity and exercise in healthy older adults
A systematic review
The health benefits of regular physical activity and exercise have been widely acknowledged. Unfortunately, a decline in physical activity is observed in older adults. Knowledge of the determinants of physical…
Physical activity questionnaires for youth
A systematic review of measurement properties
Because of the diversity in available questionnaires, it is not easy for researchers to decide which instrument is most suitable for his or her specific demands. Therefore, we systematically summarized…
Physical activity questionnaires for adults
A systematic review of measurement properties
Many questionnaires have been developed to measure physical activity (PA), but an overview of the measurement properties of PA questionnaires is lacking. A summary of this information is useful for…
Self-administered physical activity questionnaires for the elderly
A systematic review of measurement properties
Objective: To systematically review and appraise studies examining selfadministered physical activity questionnaires (PAQ) for the elderly. This article is one of a group of four articles in Sports Medicine on…
Qualitative attributes and measurement properties of physical activity questionnaires
A checklist
The large number of available physical activity (PA) questionnaires makes it difficult to select the most appropriate questionnaire for a certain purpose. This choice is further hampered by incomplete reporting…
Ethnic differences in bmi among Dutch adolescents
What is the role of screen viewing, active commuting to school, and consumption of soft drinks and high-caloric snacks?
Background: The threats posed by the rising prevalence of overweight and obesity on public health have been widely acknowledged. Several population groups, which deserve special attention because of their higher…
Why did soft drink consumption decrease but screen time not?
Mediating mechanisms in a school-based obesity prevention program
Objectives: This paper aims to identify the mediating mechanisms of a school-based obesity prevention program (DOiT). Methods: The DOiT-program was implemented in Dutch prevocational secondary schools and evaluated using a…