Longitudinal examination of objectively-measured physical activity and sedentary time among children with and without significant movement impairments |
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| Institution: | 1. Department of Family Medicine, McMaster University, Hamilton, ON, Canada;2. Michael G. DeGroote School of Medicine, Niagara Regional Campus, McMaster University, St. Catharines, ON, Canada;3. Department of Kinesiology, McMaster University, Hamilton, ON, Canada;4. Department of Health Sciences, Brock University, St. Catharines, ON, Canada;1. Avansplus, University for Professionals, Breda, The Netherlands;2. Department of Health and Rehabilitation Sciences, Division of Physiotherapy, Faculty of Health Sciences, University of Cape Town, South Africa;1. Graduate Institute of Clinical Medical Science, China Medical University, Taichung City 404, Taiwan;2. CanChild Centre for Childhood Disability Research, Departments of Family Medicine, Psychiatry & Behavioural Neurosciences & Kinesiology, McMaster University, Hamilton, ON, Canada;3. School of Psychology, The University of Sydney, Sydney, NSW 2006, Australia;4. Department of Recreation Sport & Health Promotion, National Pingtung University of Science & Technology, Taiwan;5. Institute of Sport Performance, National Taiwan University of Physical Education & Sport, Taichung City 404, Taiwan;1. Department of Health and Rehabilitation Sciences, University of Cape Town, South Africa;2. Developmental and Clinical Neuropsychology, University of Groningen, Grote Kruisstraat 2-1, 9712 TS Groningen, The Netherlands;1. Department of Kinesiology, McMaster University, Hamilton, ON, Canada;2. Department of Family Medicine, McMaster University, Hamilton, ON, Canada;3. Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada;4. CanChild Centre for Childhood Disability Research, Canada;5. School of Rehabilitation Sciences, McMaster University, Hamilton, ON, Canada;6. Departments of Psychiatry and Behavioral Neurosciences and Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada;1. Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada;2. CanChild Centre for Childhood Disability Research, Canada;3. School of Rehabilitation Sciences, McMaster University, Hamilton, ON, Canada;4. Department of Health Sciences, Brock University, St. Catharines, ON, Canada;5. Department of Family Medicine, McMaster University, Hamilton, ON, Canada;6. Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON, Canada;7. Department of Kinesiology, McMaster University, Hamilton, ON, Canada;8. Offord Centre for Child Studies, McMaster University, Hamilton, ON, Canada;1. Bachelor Program Cesar Kinetics Therapy, University of Applied Sciences, Child Development and Exercise Center, University Medical Center and Children’s Hospital, Utrecht, Netherlands;2. Child Development and Exercise Center, University Medical Center and Children’s Hospital, Utrecht, Netherlands;3. Department of Child, Family, & Education Studies, Utrecht University, Netherlands;4. Department of Child, Family & Education Studies, Utrecht University, Department of Neonatology, University Medical Center and Children’s Hospital, Utrecht, Netherlands |
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| Abstract: | BackgroundChildren with Developmental Coordination Disorder (DCD) tend to be less active than typically-developing (TD) children. Current evidence, however, is based on cross-sectional and self-reported activity, and little is known about sedentary time among children with significant movement impairments such as DCD. The current study examines the longitudinal patterns of objectively measured physical activity and sedentary time in children with and without possible DCD (pDCD).MethodsData is from a longitudinal nested case-control study, with 103 participants (n = 60 males ages = 12 and 13 at baseline). Participants averaging ?16th percentile on the Movement Assessment Battery for Children were considered having significant movement impairments and pDCD (n = 49). All participants wore accelerometers for seven days.ResultsThere were significant main effects for time (Estimate = ?23.98, p < .01) and gender (Estimate = 59.86, p < .05) on total physical activity, and time spent being sedentary (Estimate = 15.58, p < .05). Significant main effects for pDCD (Estimate = ?5.38, p < .05) and gender (Estimate = 26.89, p < .01), and time by gender interaction (Estimate = ?7.50, p < .05) were found for moderate-to-vigorous physical activity (MVPA). Sedentary time did not differ between children with and without DCD.ConclusionsResults suggest children with pDCD engaged in less MVPA compared to TD children. Consistent patterns of MVPA over time, however, suggest that the divergence in MVPA occurs earlier in childhood. Further longitudinal research following a younger cohort is necessary to identify the specific point that differences in MVPA emerge. |
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| Keywords: | DCD Physical activity MVPA Sedentary Accelerometry Movement impairments |
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