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Physical Activity, Sedentary Time, and Obesity in an International Sample of Children
| Content Provider | Scilit |
|---|---|
| Author | Katzmarzyk, Peter Barreira, Tiago Broyles, Stephanie T. Champagne, Catherine M. Chaput, Jean-Philippe Fogelholm, Mikael Hu, Gang Johnson, William Kuriyan, Rebecca Kurpad, Anura Lambert, Estelle V. Maher, Carol Maia, Jose Matsudo, Victor Olds, Tim Onywera, Vincent Sarmiento, Olga L. Standage, Martyn Tremblay, Mark S. Tudor-Locke, Catrine Zhao, Pei Church, Timothy S. |
| Copyright Year | 2015 |
| Description | Journal: Medicine & Science In Sports & Exercise To determine the relationships between moderate-to-vigorous physical activity (MVPA), vigorous physical activity (VPA), sedentary time, and obesity in children from 12 countries representing a wide range of human development. The sample included 6539 children age 9–11 yr. Times in MVPA, VPA, and sedentary behaviors were assessed by accelerometry. The body mass index (BMI; kg·m−2) was used to classify children as obese based on z-scores (> +2 SD) from World Health Organization reference data. The mean (SD) times spent in MVPA, VPA, and sedentary behavior were 60 (25) min·d−1, 18 (11) min·d−1, and 513 (69) min·d−1, respectively. The overall proportion of the sample that was obese ranged from 5.2% to 24.6% across sites. The odds ratios for obesity were significant for MVPA (0.49; 95% CI, 0.44–0.55), VPA (0.41; 0.37–0.46), and sedentary time (1.19; 1.08–1.30) in the overall sample. The associations of MVPA and VPA with obesity were significant in all 12 sites, whereas the association between sedentary time and obesity was significant in five of the 12 sites. There was a significant difference in BMI z-scores across tertiles of MVPA (P Conclusions Greater MVPA and VPA were both associated with lower odds of obesity independent of sedentary behavior. Sedentary time was positively associated with obesity, but not independent of MVPA. Attaining at least 55 min·d−1 of MVPA is associated with lower obesity in this multinational sample of children, which supports current guidelines. |
| Related Links | https://purehost.bath.ac.uk/ws/files/134501066/Physical_Activity_Sedentary_Time_and_Obesity_in.7.pdf https://core.ac.uk/download/pdf/38146797.pdf |
| Ending Page | 2069 |
| Page Count | 8 |
| Starting Page | 2062 |
| ISSN | 01959131 |
| e-ISSN | 15300315 |
| DOI | 10.1249/mss.0000000000000649 |
| Journal | Medicine & Science In Sports & Exercise |
| Issue Number | 10 |
| Volume Number | 47 |
| Language | English |
| Publisher | Ovid Technologies (Wolters Kluwer Health) |
| Publisher Date | 2015-10-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Medicine & Science In Sports & Exercise Sport Sciences Sedentary Time |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science |
