Factors associated with objectively measured total sedentary time and screen time in children aged 9–11 years

Ferrari, Gerson Luis de Moraes; Pires, Carlos; Solé, Dírceu; Matsudo, Victor Keihan Rodrigues; Katzmarzyk, Peter T.; Fisberg, Mauro

doi:10.1016/j.jped.2017.12.003

Cited by 19 publications

(13 citation statements)

References 25 publications

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“…25,26 In both sexes, the number of steps/day was positively associated to MVPA, and negatively, to ST. Although treated as independent variables, there is a negative relationship between PA and ST. 27 These results suggest that both ST and steps/ day can be considered when strategic planning and program implementation are prepared to reduce risks in children.…”

Section: Discussionmentioning

confidence: 91%

“…The study's transversal design does not allow establishing a cause and effect relationship; sample is not representative; São Caetano do Sul City has a high HDI, besides PA and healthy eating policy and practice programs that help decrease ST and obesity of children in the city. 12,17,27 In contrast, the use of an accelerometer as an instrument for objective measurement of the number of steps, in addition to considering the vast amount of lifestyle, and home and school environment variables, were certainly study's strengths.…”

Section: Discussionmentioning

confidence: 99%

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Lifestyle and Anthropometric Indicators Have Greater Associations With Steps/Day in Boys Than in Girls

Victo

Ferrari

Pires

et al. 2021

Rev. paul. pediatr.

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Objective: To verify the association of lifestyle, anthropometric, sociodemographic, family and school environment indicators with the number of steps/day in children. Methods: The sample consisted of 334 children (171 boys) from nine to 11 years old. Participants used the Actigraph GT3X accelerometer to monitor the number of steps/day, moderate to vigorous physical activity (MVPA) and sedentary time (ST) for seven consecutive days. Height, body weight, body mass index (BMI), waist circumference (WC), and body fat were also measured. Lifestyle indicators such as diet, environment, neighborhood, and parental schooling level were obtained with questionnaires. For the identification of variables associated to the number of steps/day, multiple linear regression models were used. Results: The mean steps/day of boys and girls were statistically different (10,471 versus 8,573; p<001). Among boys, the variables associated to the number of steps/day were: MVPA (β=0.777), ST (β=-0.131), BMI (β=-0.135), WC (β=-0.117), and BF (β=-0.127). Among girls, the variables associated to the number of steps/day were: MVPA (β=0.837), ST (β=-0.112), and parents’ educational level (β=0.129). Conclusions: Lifestyle indicators, body composition variables and parental educational level influence the number of steps/day of children, and MVPA and ST are common for both sexes.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Lifestyle and Anthropometric Indicators Have Greater Associations With Steps/Day in Boys Than in Girls

Victo

Ferrari

Pires

et al. 2021

Rev. paul. pediatr.

Self Cite

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“…The lack of differences may be due to SB being self-reported, as opposed to more objective data such as from an accelerometer [33,37]. Another possible explanation of the lack of sex differences might be the low sample size in the Special Eurobarometers as previous studies reported that girls and boys engage differently in sedentary activities, with boys reporting more TV or computer games, and girls reporting more time in communication or social media activities [17,18]. Thus, further studies are needed to verify or reject the findings reported in our study.…”

Section: Discussionmentioning

confidence: 99%

“…Alongside this, the electronic revolution has transformed people's movement patterns, significantly increasing the amount of daily time in front of the screen (e.g., televisions, computers, smartphones, etc.) [17,18], and by sex, girls usually report a slightly higher prevalence of SB than boys [3]. Furthermore, there seem to be sex differences in how SB is accumulated, with boys reporting more screen time (televisions or computer games) and girls spending more time in communication-based SB (surfing the internet, texting, talking on the phone) [17,18].…”

Section: Introductionmentioning

confidence: 99%

“…[17,18], and by sex, girls usually report a slightly higher prevalence of SB than boys [3]. Furthermore, there seem to be sex differences in how SB is accumulated, with boys reporting more screen time (televisions or computer games) and girls spending more time in communication-based SB (surfing the internet, texting, talking on the phone) [17,18]. For those reasons, concerns among parents, health care professionals, governments, educators, and researchers about SB's effects on young people's health have increased.…”

Section: Introductionmentioning

confidence: 99%

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No changes in adolescent’s sedentary behaviour across Europe between 2002 and 2017

et al. 2021

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Background Public health organizations have been alerted to the high levels of sedentary behaviour (SB) among adolescents as well as to the health and social consequences of excess sedentary time. However, SB changes of the European Union (EU) adolescents over time have not been reported yet. This study aimed to identify SB of the EU adolescents (15–17 years) in four-time points (2002, 2005, 2013 and 2017) and to analyse the prevalence of SB according to the sex. Methods SB of 2542 adolescents (1335 boys and 1207 girls) as a whole sample and country-by-country was analysed in 2002, 2005, 2013, and 2017 using the Sport and Physical Activity EU Special Eurobarometers’ data. SB was measured using the sitting time question from the short version of the International Physical Activity Questionnaire (IPAQ), such that 4h30min of daily sitting time was the delineating point to determine excess SB behaviour (≥4h30min of sitting time) or not (≤4h30min of sitting time). A χ2 test was used to compare the prevalence of SB between survey years. Furthermore, SB prevalence between sexes was analysed using a Z-Score test for two population proportions. Results The prevalence of SB among EU adolescents across each of the four survey years ranged from 74.2 and 76.8%, rates that are considered high. High levels of SB were also displayed by both sexes (girls: 76.8 to 81.2%; boys: 71.7 to 76.7%). No significant differences in the prevalence of SB among years (p > 0.05) were found for the whole sample, and for either girls or boys. Also, no significant differences in the prevalence of SB between girls and boys were found. Conclusion The SB prevalence in European adolescents is extremely high (76.8% in 2017) with no differences between girls and boys. No significant improvements have been seen between 2002 and 2017. Eurobarometer should increase the adolescents’ sample to make possible benchmarking comparisons among the EU countries and extend the survey to the younger children population.

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Psychological Correlates of Sedentary Screen Time Behaviour Among Children and Adolescents: a Narrative Review

Mougharbel

Goldfield

2020

Curr Obes Rep

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Factors associated with objectively measured total sedentary time and screen time in children aged 9–11 years

Abstract: Several associated factors were identified in the association between total sedentary time and screen time in children; however, only the healthy dietary pattern was common between sedentary time and screen time.

Cited by 19 publications

References 25 publications

Lifestyle and Anthropometric Indicators Have Greater Associations With Steps/Day in Boys Than in Girls

Lifestyle and Anthropometric Indicators Have Greater Associations With Steps/Day in Boys Than in Girls

No changes in adolescent’s sedentary behaviour across Europe between 2002 and 2017

Psychological Correlates of Sedentary Screen Time Behaviour Among Children and Adolescents: a Narrative Review

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