Research Topics
| Calum MattocksSummaryAffiliation: University of Bristol Country: UK Publications
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Detail Information
Publications
Intraindividual variation of objectively measured physical activity in childrenCalum Mattocks
Department of Social Medicine, University of Bristol, United Kingdom
Med Sci Sports Exerc 39:622-9. 2007..This study examined the seasonal and intraindividual variation in objectively measured physical activity in 11- to 12-yr-olds...- Calibration of an accelerometer during free-living activities in childrenCalum Mattocks
Department of Social Medicine, University of Bristol, Bristol, UK
Int J Pediatr Obes 2:218-26. 2007..The aims of this study were to develop an equation to predict energy expenditure and to derive cut-points for moderate and vigorous physical activity intensity from the Actigraph accelerometer output in children aged 12 years... - Early life determinants of physical activity in 11 to 12 year olds: cohort studyCalum Mattocks
Department of Social Medicine, University of Bristol, Bristol BS8 1TQ
Br J Sports Med 42:721-4. 2008..To examine factors in early life (up to age 5 years) that are associated with objectively measured physical activity in 11-12 year olds... 
Early life determinants of physical activity in 11 to 12 year olds: cohort studyCalum Mattocks
Department of Social Medicine, University of Bristol, Bristol BS8 1TQ
BMJ 336:26-9. 2008..To examine factors in early life (up to age 5 years) that are associated with objectively measured physical activity in 11-12 year olds...- Use of accelerometers in a large field-based study of children: protocols, design issues, and effects on precisionCalum Mattocks
Dept of Social Medicine, University of Bristol, UK
J Phys Act Health 5:S98-111. 2008..Objective methods can improve accuracy of physical activity measurement in field studies but uncertainties remain about their use... - Physical activity and blood pressure in childhood: findings from a population-based studySam D Leary
Department of Oral and Dental Science, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ UK
Hypertension 51:92-8. 2008..03 (95% CI -0.54, 0.48) mm Hg per 15 minutes/d MVPA. In conclusion, higher levels of PA were associated with lower BP, and results suggested that the volume of activity may be more important than the intensity... - Objectively measured physical activity and fat mass in a large cohort of childrenAndy R Ness
Department of Oral and Dental Science, University of Bristol, United Kingdom
PLoS Med 4:e97. 2007..Previous studies have been unable to characterise the association between physical activity and obesity, possibly because most relied on inaccurate measures of physical activity and obesity... - Re-evaluation of accelerometer thresholds for MVPA at age 16 in subjects previously studied at age 12Alex Griffiths
School of Oral and Dental Science, University of Bristol, Bristol, United Kingdom
J Phys Act Health 9:1163-7. 2012..A study deriving a threshold for moderate- to vigorous-intensity physical activity (MVPA) in terms of accelerometer counts in 12-year-old children was repeated with a subset of the same children at 16 years... - Objective measurement of levels and patterns of physical activityChris J Riddoch
Sport and Exercise Science, School for Health, University of Bath, Bath, UK
Arch Dis Child 92:963-9. 2007..To measure the levels and patterns of physical activity, using accelerometers, of 11-year-old children participating in the Avon Longitudinal Study of Parents and Children (ALSPAC)... - Comparison of two methods to assess PAEE during six activities in childrenKirsten Corder
1MRC Epidemiology Unit, Cambridge, United Kingdom
Med Sci Sports Exerc 39:2180-8. 2007..Three PAEE-prediction models derived using the current data, and five previously published prediction models were cross-validated to estimate PAEE in this sample...