Associations between sitting time and weight in young adult Australian women |
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| Authors: | Katrien A. De Cocker Jannique G.Z. van Uffelen Wendy J. Brown |
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| Affiliation: | 1. Healthy Active Living and Obesity Research Group, Children''s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, ON, Canada;2. School of Human Kinetics, University of Ottawa, 125 University Avenue, Ottawa, ON, Canada;1. Institute for Sport and Physical Activity Research, School of Sport Science and Physical Activity, University of Bedfordshire, Bedford, United Kingdom;2. Institute for Health Research, University of Bedfordshire, Luton, United Kingdom;3. Exercise is Medicine Department, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar;1. School of Sport, Exercise & Health Sciences, Loughborough University, UK;2. The NIHR Leicester-Loughborough Diet, Lifestyle and Physical Activity Biomedical Research Unit, UK;3. Institute of Sport, Exercise & Active Living, Victoria University, Melbourne, Australia;1. Laboratório de Neurociências, Programa de Pós-Graduação em Ciências da Saúde, Unidade Acadêmica de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil;2. Programa de Pós-graduação em Saúde Coletiva, Universidade do Extremo Sul Catarinense, Criciúma, SC, Brazil;3. Translational Psychiatry Program, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA;4. Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA;5. Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA |
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| Abstract: | ObjectiveSedentary behaviour may be a contributor to weight gain in today's young adult women, who are gaining weight faster than women in their mothers' generation. The aim was to examine the relationships between sitting time and weight in young women.MethodData were from women born in 1973–1978 who completed surveys in 2000, 2003 and 2006 for the Australian Longitudinal Study on Women's Health. Associations between concurrent changes in sitting-time and weight, and prospective associations between these variables, were examined using ANOVA and linear regressions, stratified by BMI-category in 2000 (n = 5562).ResultsAmong overweight and obese women, percentage weight change from 2000 to 2006 was higher in those whose sitting time increased (> 20%) than in those whose sitting time decreased (> 20%) over the same period (p < 0.05). Conversely, percentage change in sitting time was significantly higher in those who gained weight (> 5%) than in those who lost weight (> 5%) (p < 0.05). There were no prospective associations between (change in) sitting time and weight change, or between (change in) weight and change in sitting time.ConclusionThe results confirm associations between concurrent changes in weight and changes in sitting time in overweight and obese women, but no prospective relationships were found. |
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