Roles of age, sex, and weight status in the muscular fitness of Chinese Tibetan children and adolescents living at altitudes over 3600 m: A cross‐sectional study

2021 ◽  
Author(s):  
Feng Zhang ◽  
Cunjian Bi ◽  
Xiaojian Yin ◽  
Qi Chen ◽  
Yuan Liu ◽  
...  
Keyword(s):  
Children And Adolescents ◽  
Weight Status ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Muscular Fitness ◽  
Cross Sectional

scholarly journals Body fatness or anthropometry for assessment of unhealthy weight status? Comparison between methods in South African children and adolescents

2012 ◽  
Vol 16 (11) ◽  
pp. 2005-2013 ◽  
Author(s):  
Eva Craig ◽  
John Reilly ◽  
Ruth Bland
Keyword(s):  
Body Composition ◽  
Children And Adolescents ◽  
Body Fat ◽  
Weight Status ◽  
Cross Sectional Study ◽  
Overweight And Obesity ◽  
Sectional Study ◽  
Cross Sectional ◽  
Body Fatness ◽  
Unhealthy Weight

AbstractObjectiveA variety of methods are available for defining undernutrition (thinness/underweight/under-fat) and overnutrition (overweight/obesity/over-fat). The extent to which these definitions agree is unclear. The present cross-sectional study aimed to assess agreement between widely used methods of assessing nutritional status in children and adolescents, and to examine the benefit of body composition estimates.DesignThe main objective of the cross-sectional study was to assess underweight, overweight and obesity using four methods: (i) BMI-for-age using WHO (2007) reference data; (ii) BMI-for-age using Cole et al. and International Obesity Taskforce cut-offs; (iii) weight-for-age using the National Centre for Health Statistics/WHO growth reference 1977; and (iv) body fat percentage estimated by bio-impedance (body fat reference curves for children of McCarthy et al., 2006). Comparisons were made between methods using weighted kappa analyses.SettingRural South Africa.SubjectsIndividuals (n 1519) in three age groups (school grade 1, mean age 7 years; grade 5, mean age 11 years; grade 9, mean age 15 years).ResultsIn boys, prevalence of unhealthy weight status (both under- and overnutrition) was much higher at all ages with body fatness measures than with simple anthropometric proxies for body fatness; agreement between fatness and weight-based measures was fair or slight using Landis and Koch categories. In girls, prevalence of unhealthy weight status was also higher with body fatness than with proxies, although agreement between measures ranged from fair to substantial.ConclusionsMethods for defining under- and overnutrition should not be considered equivalent. Weight-based measures provide highly conservative estimates of unhealthy weight status, possibly more conservative in boys. Simple body composition measures may be more informative than anthropometry for nutritional surveillance of children and adolescents.

scholarly journals Accelerometer-Measured Physical Activity in Children and Adolescents at Altitudes over 3500 Meters: A Cross-Sectional Study in Tibet

2019 ◽  
Vol 16 (5) ◽  
pp. 686 ◽  
Author(s):  
Ming-jian Nie ◽  
Chao-qun Fan ◽  
Rui-zhe Sun ◽  
Jing-jing Wang ◽  
Qiang Feng ◽  
...  
Keyword(s):  
Physical Activity ◽  
Children And Adolescents ◽  
Weight Status ◽  
Cross Sectional Study ◽  
The Tibetan Plateau ◽  
Sectional Study ◽  
Cross Sectional ◽  
Body Weight Status ◽  
Significant Difference ◽  
Weak Negative Correlation

There is a scarcity of studies on the physical activity (PA) of children and adolescents who live at high altitudes. This study aimed to objectively assess PA of children and adolescents living in the Tibet at altitudes over 3500 m and to examine its difference by ethnicity, gender, age/grade, and body weight status groups. A sample of 397 students aged 9–18 years were recruited from 7 schools in Lhasa, Tibet. PA was measured using accelerometers (ActiGraph GT3X) for seven consecutive days and moderate to vigorous PA (MVPA) was identified using the Evenson (2008) cut-points. Participant MVPA was 62.3 min/day, with 65.5 min/day during weekdays and 54.1 min/day on weekends. Indigenous Tibetans were more active than Hans, and boys had more MVPA than girls. Age had a significantly weak negative correlation with MVPA. There was no significant difference in MVPA between the non-overweight and overweight/obese groups. Overall, only 9.1% (13.8% in boys and 4.5% in girls) accumulated at least 60 min of MVPA per day. Compared to their counterparts in other regions, the daily MVPA of children and adolescents living on the Tibetan Plateau at altitudes over 3500 m was relatively high. However, the proportion of meeting the WHO’s PA recommendations was extremely low.

scholarly journals Associations Between Children’s Physical Activity, Pain and Injuries

2021 ◽  
pp. 003151252110284
Author(s):  
João Paulo de Aguiar Greca ◽  
Thomas Korff ◽  
Jennifer Ryan
Keyword(s):  
Physical Activity ◽  
Generalized Estimating Equations ◽  
Weight Status ◽  
Cross Sectional Study ◽  
Moderating Effect ◽  
Sectional Study ◽  
Cross Sectional ◽  
Excessive Weight ◽  
Objectively Measured ◽  
Children’S Physical Activity

Our aim in this study was to investigate the relationships between physical activity (PA), pain, and injury among children. Secondarily, we examined whether these relationships differed between children with normal versus excessive weight or obesity. This was a cross-sectional study of 102 children (57 girls) aged 8–12 years old. We assessed the prevalence of moderate and vigorous PA using accelerometry over a seven-day period. We examined the associations between moderate PA, vigorous PA, pain presence, and injury presence using generalized estimating equations with a logit link and binomial distribution. We adjusted the obtained models for potential confounders and explored the moderating effect of weight status. We found no association between moderate PA and pain, but time spent in vigorous PA was associated with pain. Neither moderate or vigorous PA were associated with injury, and there was no moderating effect of weight status in these relationships. In summary, we found that objectively measured vigorous PA is associated with pain among 8–12 year old children. While these results should be replicated in longitudinal studies, they suggest that an association between vigorous PA and pain should be considered when developing PA interventions for children.

scholarly journals Comparing self-perceived global self-esteem and physical self-esteem among children and adolescents in Southeastern Sweden, investigated in 2000 and 2017

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Anders Raustorp ◽  
Andreas Fröberg
Keyword(s):  
Children And Adolescents ◽  
Self Esteem ◽  
Cross Sectional Study ◽  
Children And Youth ◽  
Sectional Study ◽  
Self Perception ◽  
Cross Sectional ◽  
Grade Levels ◽  
Grade 5 ◽  
Grade 8

AbstractObjectivesTo compare self-perceived global self-esteem (GSE) and physical self-esteem (PSE) among children and adolescents aged 11 and 14 years in Southeastern Sweden, investigated in 2000 and 2017.MethodsThe present study consists of two independent cross-sectional study-cohorts from Southeastern Sweden, investigated in 2000 and 2017. The same protocol, procedures, and instruments were used in 2000 and 2017. In October 2000, data for self-perceived GSE and PSE, and anthropometry were collected from 11-years old children (Grade 5) (n=74) and 14-years old adolescents (Grade 8) (n=84). In October 2017, children (n=186) and adolescents (n=140) from the same grade-levels, schools and classrooms provided data for the same variables as in 2000. GSE and PSE were assessed with the Children and Youth Physical Self-Perception Profile (CY-PSPP).ResultsSelf-perceived GSE was higher in 2017 as compared to 2000 among both 11-years old boys (p<0.001) and girls (p<0.001) and 14-years old boys (p=0.008) and girls (p<0.001). Similarly, self-perceived PSE was higher in 2017 as compared to 2000 among both 11-years old boys (p<0.001) and girls (p=0.023) and 14-years old boys (p=0.025) and girls (p=0.002).ConclusionsSelf-perceived GSE and PSE among children and adolescents aged 11 and 14 years in Southeastern Sweden were higher in 2017 as compared to 2000. These results are not in agreement with the increased psychological ill-health as being reported among children and adolescents during the last decade in Sweden.

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