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- W2617179772 abstract "Objectives Previous studies have indicated that only a small proportion of Portuguese adolescents attain sufficient levels of physical activity for health. However, it is unknown whether the levels of moderate to vigorous physical activity (MVPA) have changed over a considerable time period in this country. Therefore, the aims of the present study were to examine the 10-year trend changes in self-reported MVPA among adolescents and also investigate differences by sex and age. Design and method This study compared two cross-sectional cohorts of youngsters aged 12–18 years, recruited in 2006 (N = 1010; 461 boys and 549 girls) and in 2016 (N = 1096; 461 boys and 635 girls), using identical procedures and instruments. The outcome variable, MVPA, was assessed by using the PACE+ screening measure. Results Main results showed a considerable decline in the overall levels of physical activity between 2006 and 2016 (−10.8%), as well as a small and declining proportion of adolescents achieving the international physical activity recommendations (2006: 10.7%; 2016: 8.1%). Age and sex-specific comparisons by time periods indicated that the 13- and 14-year-old male adolescents reported lower levels of MVPA in 2016 than their counterparts in 2006, and that the MVPA decline between the subgroups of 12- and 18-year-olds was higher in girls, in both 2006 and 2016. Conclusions This study provides evidence of a secular decrease in self-reported MVPA levels among Portuguese adolescents. These results reinforce the need for interventions and policies aimed at promoting a more active lifestyle throughout adolescence." @default.
- W2617179772 created "2017-06-05" @default.
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- W2617179772 date "2018-02-01" @default.
- W2617179772 modified "2023-09-30" @default.
- W2617179772 title "Physical activity levels in Portuguese adolescents: A 10-year trend analysis (2006–2016)" @default.
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- W2617179772 doi "https://doi.org/10.1016/j.jsams.2017.05.015" @default.
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