Background To test for cross-sectional (at age 11) and longitudinal associations between objectively measured free-living physical activity (PA) and academic attainment in adolescents.Method Data from 4755 participants (45% male) with valid measurement of PA (total volume and intensity) by accelerometry at age 11 from the Avon Longitudinal Study of Parents and Children (ALSPAC) ...
Introduction:
Attention-Deficit Hyperactivity Disorder (ADHD) is the most common mental health problem in childhood and adolescence. Its diagnosis is commonly performed in a subjective manner since current objective measurements are either expensive or time-consuming. However, subjective methods tend to overestimate the severity of the pathology. In this paper, we propose ...
Introduction:
Laboratory-based polysomnograpy (PSG) is the gold standard technique for assessment and quantification of sleep. Wrist and hip actigraphy have been widely used to quantify sleep and physical activity, respectively. It remains unclear whether hip actigraphy is also a valid measure of sleep.
Purpose: To compare sleep varialbes simultaneously derived ...
Background:
Eating breakfast is believed to promote a healthy body weight. Yet, few studies have examined the contribution of energy balance–related behavioral factors to this relation in minority youth.
Objective:
We assessed the associations between breakfast consumption and dietary intake, physical activity (PA), and adiposity before and after accounting ...
Background:
The present study investigated associations in gender dyads of parents’ and adolescents’ time spent on television and video viewing (TV/DVD), and computer and electronic game use (PC/games) at the ages of 11 and 13 years. Possible mediating effects of parental modelling and parental regulation in the relationship between parental ...
Commentary:
Rona Macniven, Prevention Research Collaboration, University of Sydney
Adolescence is known to be a period of time where physical activity levels decline and weight increases so it is therefore an optimum opportunity for health interventions. This international study looked at the science around inflammatory biomarkers present in blood samples ...
Introduction Self-reported sleep duration is widely used but may not provide accurate information. Correlations between objective estimates of sleep and self-reported data only demonstrate if a relationship is present but do not determine if the two measures agree. We sought to determine levels of agreement between two self-reported average weekday ...
Background:
Physical activity (PA) is suggested to contribute to fat loss not only through increasing energy expenditure “per se” but also increasing muscle mass; therefore, it would be interesting to better understand the specific associations of PA with the different body’s components such as fat mass and muscle mass. ...
Physical activity can benefit the health of youth with Type 1 diabetes. Despite the
benefits some studies have found patients do not always meet the physical activity
recommendation of 60 minutes of moderate-to-vigorous physical activity (MVPA) per
day. Physical activity and sedentary behaviour have not been measured previously in
Scottish youth with ...
In recent years, the risks associated with sedentary behavior (i.e. obesity, Type
II diabetes) have become more recognized. Knowledge of the time-of-day when
individuals are most sedentary may be beneficial when designing program
interventions to promote and increase physical activity.
Purpose To examine time-of-day patterns of sedentary behavior in ...