Physical activity and sedentary behaviour trajectories in middle childhood, and the association of these with adiposity.

McFall, Suzanne Elizabeth (2017). Physical activity and sedentary behaviour trajectories in middle childhood, and the association of these with adiposity. University of Birmingham. M.Sc.

[img]
Preview
McFall17MSc.pdf
PDF - Accepted Version

Download (1MB)

Abstract

Background: The prevalence of overweight/obesity increases substantially throughout the middle childhood years. The contribution of physical activity and sedentary behaviour to the development of overweight/obesity is unclear. It is also unknown whether the impacts of physical activity and sedentary behaviour on weight differ by sex.

Purpose: To assess changes in physical activity and sedentary behaviour between the ages of 5-6 and 8-9 years, and the association of these changes with adiposity.

Methods: Longitudinal investigation using an ethnically diverse sample of 1467 children. Separate multilevel linear regression models were constructed with the change in each physical activity/sedentary behaviour measure as the explanatory and follow-up adiposity as the outcome variable.

Results: Physical activity decreased throughout the study period, whilst sedentary time increased. A decrease in moderate-vigorous physical activity (MVPA) was associated with an increase in all adiposity measures in the overall sample and in girls. An increase in TV viewing time was associated with an increase in BMI z-score in the overall sample.

Conclusion: Preventing the decline in MVPA and the increase in TV viewing time during middle childhood could reduce the incidence of overweight/obesity in this age group.

Type of Work: Thesis (Masters by Research > M.Sc.)
Award Type: Masters by Research > M.Sc.
Supervisor(s):
Supervisor(s)EmailORCID
Pallan, MirandaUNSPECIFIEDUNSPECIFIED
Adab, PeymaneUNSPECIFIEDUNSPECIFIED
Licence:
College/Faculty: Colleges (2008 onwards) > College of Medical & Dental Sciences
School or Department: School of Health and Population Studies, Department of Public Health, Epidemiology and Biostatictics
Funders: None/not applicable
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
R Medicine > RJ Pediatrics > RJ101 Child Health. Child health services
URI: http://etheses.bham.ac.uk/id/eprint/7230

Actions

Request a Correction Request a Correction
View Item View Item

Downloads

Downloads per month over past year