Results 261 to 270 of about 17,725,252 (297)

Contemporaneous trajectories of physical activity and screen time in adolescents

Applied Physiology, Nutrition, and Metabolism, 2021
Adolescents often report low moderate-to-vigorous physical activity (MVPA) and high screen time. We modeled sex-specific MVPA and screen time trajectories during adolescence and identified contemporaneous patterns of evolution. Data were drawn from 2 longitudinal investigations.
Riglea, Teodora, Dor, Isabelle, O'Loughlin, Jennifer, Belanger, Mathieu, Sylvestre, Marie-Pierre   +4 more
openaire   +3 more sources

Associations between screen-time, physical activity and depressive symptoms differ based on gender and screen-time mode

European Child & Adolescent Psychiatry, 2022
Higher levels of physical activity (PA) and screen time (ST) are associated with positive and negative mental health outcomes among adolescents, respectively. Research is needed to determine the interrelationship between ST and PA with depressive symptoms and the influence of ST modes.
Chloe Forte, Darragh O’Sullivan, Cillian P. McDowell, Mats Hallgren, Catherine B. Woods, Matthew P. Herring   +5 more
openaire   +2 more sources

Energy Expenditure of Sedentary Screen Time Compared With Active Screen Time for Children

Pediatrics, 2006
OBJECTIVE. We examined the effect of activity-enhancing screen devices on children's energy expenditure compared with performing the same activities while seated. Our hypothesis was that energy expenditure would be significantly greater when children played activity-promoting video games, compared with sedentary video games.
Lorraine, Lanningham-Foster, Teresa B, Jensen, Randal C, Foster, Aoife B, Redmond, Brian A, Walker, Dieter, Heinz, James A, Levine   +6 more
openaire   +2 more sources

A Longitudinal Analysis Examining the Associations of Tummy Time With Active Playtime, Screen Time, and Sleep Time

Journal of Physical Activity and Health, 2021
Background: Evidence links tummy time (ie, the time spent in awake prone positioning that is encouraged and supervised by an adult) to infants’ health outcomes such as gross motor and total development. However, the associations between tummy time and other movement and sleep behaviors as the child develops remain unknown.
Limin, Buchanan, Huilan, Xu, Lyndel, Hewitt, Sarah, Taki, Li Ming, Wen   +4 more
openaire   +2 more sources

Screen Time and Physical Activity in Youth: Thief of Time or Lifestyle Choice?

Journal of Physical Activity and Health, 2012
Background:This study aimed to examine the relationship between screen time and physical activity (PA) in children and adolescents but also to determine specific elements of PA that were most closely associated with screen time.Methods:We studied a cross-sectional sample of 6176 10.0–15.9 year olds (53% boys, 12.9 ± 1.5 years) who completed the ...
Sandercock, Gavin RH, Ogunleye, Ayodele, Voss, Christine   +2 more
openaire   +3 more sources

Preschoolers’ Physical Activity, Screen Time, and Compliance with Recommendations

Medicine & Science in Sports & Exercise, 2012
Little evidence exists about the prevalence of adequate levels of physical activity and of appropriate screen-based entertainment in preschool children. Previous studies have generally relied on small samples. This study investigates how much time preschool children spend being physically active and engaged in screen-based entertainment. The study also
Hinkley, Trina, Salmon, Jo, Okely, Anthony D, Crawford, David, Hesketh, Kylie   +4 more
openaire   +3 more sources

Physical Activity, Screen Time, and Sleep in Children With ADHD

Journal of Physical Activity and Health, 2019
Background: Children with attention deficit hyperactivity disorder (ADHD) are at increased risk for poor health and obesity. The authors describe obesity-related movement behaviors in children with ADHD, determine higher risk groups, and compare with children with other disorders. Methods: Physical activity (PA), sleep, and screen time of children with
Pooja S, Tandon, Tyler, Sasser, Erin S, Gonzalez, Kathryn B, Whitlock, Dimitri A, Christakis, Mark A, Stein   +5 more
openaire   +2 more sources

Activated Coagulation Time As Screening Test

JAMA: The Journal of the American Medical Association, 1972
To The Editor.— A great many physicians at present use the activated coagulation time of whole blood (ACT) 1 as a means of monitoring heparin therapy of thromboembolic disease, 2 or control of heparin in the renal dialysis unit. Some use it to monitor the response of the hemophilic patient to infusions of factor VIII, 3 while in many laboratories this
openaire   +2 more sources

Patterns of Physical Activity and Screen Time Among Brazilian Children

Journal of Physical Activity and Health, 2018
To investigate the patterns of physical activity (PA) and screen time among children and adolescents attended by the Brazilian National Health System.This cross-sectional study was conducted in the city of Bauru, São Paulo, Brazil. The sample was composed of 270 children and adolescents attending 5 basic health care units.
Muniz de Araujo, Lia Grego, Turi, Bruna Camilo, Locci, Bruna, Asahi Mesquita, Camila Angelica, Fonsati, Natalia Bonicontro, Monteiro, Henrique Luiz   +5 more
openaire   +3 more sources

Leisure Time Physical Activity, Screen Time, Social Background, and Environmental Variables in Adolescents

Pediatric Exercise Science, 2007
This study analyzes the relationships between leisure time physical activity (LTPA), sedentary behaviors, socioeconomic status, and perceived environmental variables. The sample comprised 815 girls and 746 boys. In girls, non-LTPA participants reported significantly more screen time.
Jorge Mota, Helena Gomes, Mariana Almeida, José Ribeiro, Maria Santos   +4 more
openaire   +3 more sources