{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T23:04:39Z","timestamp":1773270279682,"version":"3.50.1"},"reference-count":28,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","license":[{"start":{"date-parts":[[2022,1,1]],"date-time":"2022-01-01T00:00:00Z","timestamp":1640995200000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background:<\/jats:title>\n            <jats:p>Strategic health interventions must be guided by effective surveillance systems that monitor population trends and patterns, therefore we aimed to provide youth's (6\u201314 years) national prevalence estimates of physical activity (PA), active outdoor play (AOP), sedentary behaviur (SB), and structured PA (SPA).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>Measures of moderate-to-vigorous PA, SB, AOP, and SPA, were obtained for 719 participants in 2 groups (6\u20139 and 10\u201314\u200ayears) using diaries and questionnaires. National estimates were calculated, by sex, region, and parental education.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>While 54% (95%CI: 47.4\u201361.3) of youth meet PA recommendations, the prevalence is lower for the older group (<jats:italic toggle=\"yes\">P<\/jats:italic>\u200a\n                                 <jats:italic toggle=\"yes\">=<\/jats:italic>\u200a.034). Similarly, AOP decreases with age both on weekends, from 94.3% (95%CI: 90.8\u201397.8) to 68.7% (95%CI: 62.2\u201375.1), and on weekdays from 84% (95%CI: 76.5\u201391.5) to 64.8% (95%CI: 59\u201370.6). Watching TV for \u22652\u200ah\/day is extremely high on weekends [71.3% (95%CI: 65.4\u201377.2)] and more prevalent in boys than girls on weekdays (<jats:italic toggle=\"yes\">P<\/jats:italic>\u200a=\u200a.043). Higher parental education significantly increased SPA and active time. Time in SB was greater in boys [7.26\u200ah (95%CI: 6.87\u20137.65)] than girls [6.48\u200ah (95%CI: 6.09\u20136.87)] and increased with age (<jats:italic toggle=\"yes\">P<\/jats:italic>\u200a&lt;\u200a.001).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>Almost half of the youth failed to achieve PA guidelines, whereas 71% exceeded recommended TV time on weekends, suggesting the urgency of intervention measures.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1097\/j.pbj.0000000000000161","type":"journal-article","created":{"date-parts":[[2022,2,8]],"date-time":"2022-02-08T17:25:31Z","timestamp":1644341131000},"page":"e161","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":6,"title":["Active and sedentary behaviors in youth (6\u201314 years old): Data from the IAN-AF survey (2015\u20132016)"],"prefix":"10.1097","volume":"7","author":[{"given":"Andreia Nogueira","family":"Pizarro","sequence":"first","affiliation":[{"name":"Research Center in Physical Activity and Health (CIAFEL), Faculty of Sport, University of Porto, Porto, Portugal"}]},{"given":"Daniela","family":"Correia","sequence":"additional","affiliation":[{"name":"Public Health and Forensic Sciences, and Medical Education Department, Faculty of Medicine, University of Porto, Porto, Portugal"},{"name":"EPIUnit, Institute of Public Health, University of Porto, Porto, Portugal"}]},{"given":"Carla","family":"Lopes","sequence":"additional","affiliation":[{"name":"Public Health and Forensic Sciences, and Medical Education Department, Faculty of Medicine, University of Porto, Porto, Portugal"},{"name":"EPIUnit, Institute of Public Health, University of Porto, Porto, Portugal"}]},{"given":"Pedro J.","family":"Teixeira","sequence":"additional","affiliation":[{"name":"Interdisciplinary Study Centre for Human Performance (CIPER), Faculty of Human Kinetics (FMH), University of Lisbon, Cruz Quebrada, Portugal."}]},{"given":"Jorge","family":"Mota","sequence":"additional","affiliation":[{"name":"Research Center in Physical Activity and Health (CIAFEL), Faculty of Sport, University of Porto, Porto, Portugal"}]}],"member":"276","published-online":{"date-parts":[[2022,1]]},"reference":[{"issue":"(6 Suppl. 3)","key":"R2-20241001","doi-asserted-by":"crossref","first-page":"S197","DOI":"10.1139\/apnm-2015-0663","article-title":"Systematic review of the relationships between objectively measured physical activity and health indicators in school-aged children and youth","volume":"41","author":"Poitras","year":"2016","journal-title":"Appl Physiol Nutr Metab."},{"issue":"(1)","key":"R3-20241001","doi-asserted-by":"crossref","first-page":"e22","DOI":"10.17269\/cjph.105.4154","article-title":"Active play: an important physical activity strategy in the fight against childhood 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