Physical Activity Levels in Brazilian Adolescents: A Secular Trend Study (2007–2017/18)

Pinto, André de Araújo; Fernandes, Rômulo Araújo; Silva, Kelly Samara da; Silva, Diego Augusto Santos; Beltrame, Thais Silva; Cardoso, Fernando Luíz; Pelegrini, Andréia

doi:10.3390/ijerph192416901

Cited by 4 publications

(1 citation statement)

References 24 publications

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“…This finding is in line with those of studies investigating trends in walking as a form of active commuting to school among adolescents in the Czech Republic (Pavelka et al 2017), Spain (Chillón et al 2013), Australia (Salmon et al 2005), and Brazil (Coll et al 2014). Unfortunately, the reduction in walking observed here corroborates the decrease in PA in adolescents from several countries (Conger et al 2022;Pinto, Marques and Pelegrini, 2023), including Brazil (Pinto et al 2022).…”

Section: Discussionsupporting

confidence: 92%

Secular Trends and Sociodemographic Correlates of Walking among Adolescents in Southern Brazil (2007–2017/2018)

Pinto,

Bim,

Marques

et al. 2024

Physical Activity and Health

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Walking is an important and popular form of physical activity for health, whose trends of decline among Brazilian adolescents over the years remain unknown. The purpose of this study was to analyze the secular trend and sociodemographic correlates of walking among adolescents in southern Brazil (2007-2017/18). Two cross-sectional surveys, conducted in 2007 and 2017/18, gathered data from 1967 adolescents in Florianopolis, Brazil, using a standard protocol. We collected data on the weekly frequency and duration of walking practice. Gender, age, and socioeconomic status (SES) were modeled in logistic regression analysis. Overall, the weekly volume (time) spent walking declined by 43.1% over the years. In all gender, age, and SES subgroups, walking declined from 31.5% to 51.7%.

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Section: Discussionsupporting

confidence: 92%

Secular Trends and Sociodemographic Correlates of Walking among Adolescents in Southern Brazil (2007–2017/2018)

Pinto,

Bim,

Marques

et al. 2024

Physical Activity and Health

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Trends of physical activity and recreational screen time among Chinese children and adolescents: a national study from 2017 to 2019

Guo,

Koh,

Wang

2024

BMC Public Health

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Background The prevalence of physical inactivity and sedentary behavior among children and adolescents is a growing public health concern. This study aims to examine the trends in Physical Activity (PA) and Recreational Screen Time (RST) amongst children and adolescents in China, considering variations in genders, school levels, areas (urban versus rural), and regions (north versus south). The findings provide a foundation to guide policy and strategy making for future health promotion and development. Methods An annual national cross-sectional survey was conducted in China from 2017 to 2019 cumulatively involving 52,503 (48% female) children and adolescents from grades 4 to 12 (aged 12.72 ± 2.12). Data on PA and RST were collected through self-administered questionnaires. Weighted least squares regression was used to analyze the trends and differences in PA and RST among the participants’ profiles. Results There was an annual decreased in PA compliance rate of approximately 3.43% (95% CI: 0.79-6.08%) for primary school students, primarily among males residing in rural areas, and in northern regions. Middle school students experienced a yearly decrease of about 5.23% (95% CI: 2.55-7.92%) in PA compliance across all genders, regions, and urban areas. Similarly, the RST compliance rates for primary school students declined by approximately 3.18% (95% CI: 1.57-4.78%) annually for all genders and areas, but only in the northern regions. Conclusions This research highlights a downward trend in PA and RST compliance amongst Chinese children and adolescents, with variations based on school level, gender, area, and region. Urgent policies and interventions are imperative to promote PA while mitigating excessive RST within these populations.

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Positive secular trend in excess body weight in adolescents: A comparative study of 2007 and 2017/2018 data

de Souza,

Miranda,

Bim

et al. 2024

PLoS ONE

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Background This study aimed to compare the prevalence of excess weight in adolescents living in Florianópolis, Santa Catarina, Brazil, from 2007 to 2017/2018 and assess associations with physical activity level, screen time, muscle strength, and cardiorespiratory fitness. Methods Two cross-sectional surveys were conducted with adolescents (14 to 19 years old). The body mass index was calculated from measurements of body weight (kg) and height (m2). Information on sociodemographic variables (sex, age, and economic level), screen time, and physical activity was collected using questionnaires. Motor tests were used to measure cardiorespiratory fitness and muscle strength. Results A positive secular trend in excess weight was observed in adolescents between 2017/2018 and 2007. Boys who spent more than 4h a day on screen-based activities and those with inadequate cardiorespiratory fitness were 1.96 and 3.03 times more likely, respectively, to have excess weight in 2017/2018 than in 2007. Boys (OR = 1.77) and girls (OR = 1.74) with inadequate muscle strength were more likely to have excess weight in 2017/2018 than their peers in 2007. Furthermore, boys and girls with adequate cardiorespiratory fitness had 64% and 90% lower chances, respectively, of having excess weight in 2017/2018 than in 2007. Conclusions A decade of observation revealed a positive secular trend in excess weight in adolescents, with significant associations with muscle strength, cardiorespiratory fitness, and screen time.

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Physical Activity Levels in Brazilian Adolescents: A Secular Trend Study (2007–2017/18)

Cited by 4 publications

References 24 publications

Secular Trends and Sociodemographic Correlates of Walking among Adolescents in Southern Brazil (2007–2017/2018)

Secular Trends and Sociodemographic Correlates of Walking among Adolescents in Southern Brazil (2007–2017/2018)

Trends of physical activity and recreational screen time among Chinese children and adolescents: a national study from 2017 to 2019

Positive secular trend in excess body weight in adolescents: A comparative study of 2007 and 2017/2018 data

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