Determinants of student’s MVPA level in school and neighborhood environment changing with age: a 12-month follow-up study in Ningxia province

Abstract Background The benefits of physical activity have been identified in children and adolescents. However, the prevalence of physical inactivity in school-aged children and adolescents was high in China. Most time of students spends in neighborhood and school, and these play an important role in student’s MVPA level. Therefore, we will investigate the impact of implementing the national health promotion policy on PA behavior in school-aged children and adolescents and the effects that influence the changes in PA behavior in this study. Methods This is a longitudinal study with a 12-month follow-up. The study sample came from 2016 and 2017 Physical Activity and Fitness in China—The Youth Study, total 1611 students (aged 7–18 years) from 31 primary, junior high, and high schools were included in this study. The physical and social environment in school and neighborhood were measured by questionnaire at baseline and after 12 months. Multiple logistic regression was used to examine the relationship of influential factors and moderate- and vigorous MVPA. Results There is no significant difference in MVPA level between 2016 and 2017. Student’s attitudes to PA, neighborhood facilities, and organizations were improved significantly after 12 months. The influential factors changed after 12 months. In 2016 the top three contributors were attitude to MVPA(OR 3.08 with 95% CL 1.22, 7.76), neighborhood PA facilities(OR 1.52, 95% CL 1.24, 1.86) and age(OR 1.38, 95% CL 1.13, 1.69), and in 2017 the top three factors were student’s attitude to PA(OR 4.28, 95%CL 1.788,10.245), school extra time for PA(OR 2.29, 95% CL 1.56, 3.36) and the frequency of sports events in neighborhood(OR 1.84, 95% CL 1.34, 2.53). Conclusions The single health policy is not effective for student’s MVPA promotion. There may be some factors mediate the relationship between neighborhood environment and MVPA level with age and grade increasing. In the future, more studies are needed to explore the change of influential factors and mediators with age. The findings of this study may provide some evidence for future policy-making.

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Physical self-esteem – a ten-year follow-up study from early adolescence to early adulthood

International Journal of Adolescent Medicine and Health ◽

10.1515/ijamh-2014-0001 ◽

2015 ◽

Vol 27 (1) ◽

pp. 31-39 ◽

Cited By ~ 5

Author(s):

Anders Raustorp ◽

Magnus Lindwall

Keyword(s):

Physical Activity ◽

Longitudinal Design ◽

Early Adulthood ◽

Self Esteem ◽

Physical Strength ◽

Body Attractiveness ◽

Significant Difference ◽

Self Worth ◽

The Impact

Abstract Introduction: One variable that has been consistently associated with adolescents’ physical activity is perceived activity competence. Perceived physical (or sport) competence is considered a sub-domain to the physical self-esteem or self-worth (i.e., a person’s valuation of what is good and worthy in their self-description). Objective: This study aimed to describe levels of and inter-correlations among physical self-esteem, physical activity, and body mass index in a longitudinal design spanning adolescence to early adulthood. Materials and methods: At mean ages of 12.7, 15.7, 17.7 and 22.7 years, we measured perceived physical self-esteem in 39 (22 boys) Swedish adolescents. Physical activity (steps/day) for four consecutive schooldays, height, and weight were also measured. Results: No significant difference between the four time points for any variable of perceived physical self-esteem was seen, neither in boys nor girls. In general, all physical self-variables revealed non-linear trajectories across time, where the general trend was an increase during the younger ages followed by a decrease during older ages. At ages 12 and 15 years in boys and girls physical condition and physical strength as well as body attractiveness and physical strength, respectively, had the strongest correlations to physical self-esteem. At age 17 and 22 years sports competence had the strongest correlation to self-esteem in girls, while body attractiveness and physical strength had the strongest correlation to self-esteem in boys. Conclusion: An overall stability in physical self-esteem was found. However the impact of a sub-domain upon physical self-esteem vary during adolescence and early adulthood. Such information may be useful when creating physical activity programs that support and develop physical self-esteem.

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Prevalence and Risk Factors of Metabolic-Associated Fatty Liver Disease in School-Age Children and Adolescents in Shenyang, China

10.21203/rs.3.rs-70922/v1 ◽

2020 ◽

Author(s):

Guan Lin ◽

Zhang Xinhe ◽

Tian Haoyu ◽

Jin Xing ◽

Li Dan ◽

...

Keyword(s):

Liver Disease ◽

Fatty Liver ◽

Children And Adolescents ◽

Fatty Liver Disease ◽

Transient Elastography ◽

Normal Diet ◽

School Age Children ◽

School Aged Children ◽

Significant Difference ◽

The Impact

Abstract Background: Metabolic-associated fatty liver disease (MAFLD) refers to abnormal accumulation of fat in the liver for metabolic dysfunction. With modern socioeconomic conditions and changes in dietary patterns, the prevalence of MAFLD is increasing, to the detrimental of children’s learning and quality of life. We investigated the prevalence and influencing factors of metabolic-associated fatty liver disease (MAFLD) in school-aged children and adolescents in Shenyang, China. Methods: In 2019, we collected demographic, anthropometric and liver health assessments from a random sample of Shenyang’ s school-aged children (7-12 years old) and adolescents (13-18 years old). Experienced hepatologists used transient elastography to diagnose the presence of fatty liver in the students. A random subsample was selected to complete a questionnaire to explore the impact of lifestyle habits on fatty liver disease.Results: The overall prevalence of MAFLD in these students was 23.83%, with a non-significant difference between children (22.73%) and adolescents (24.43%). The prevalence of MAFLD was significantly higher among boys than among girls. Compared with non-overweight students, a significantly higher proportion of the overweight group had fatty liver. Moreover, questionnaire responses on exercise habits, normal diet, and parental factors were associated with fatty liver.Conclusions: MAFLD is very prevalent in children and adolescents in Shenyang city. Due to the close relationship between MAFLD and obesity, lifestyle plays a major role in the occurrence of MAFLD.Trial registration: the First Affiliated Hospital of China Medical University, [2020]2020-258-2. Registered 6 June 2020 - Retrospectively registered.

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Seizure Impact on the School Attendance in Children with Epilepsy: Prospective Study in the Pediatrics Neurology Clinic at Tikur Anbessa Specialized Hospital,Addis Ababa, Ethiopia

10.21203/rs.2.11162/v1 ◽

2019 ◽

Author(s):

Oumer Hassen ◽

Ayalew moges Beyene

Keyword(s):

Prospective Study ◽

Children And Adolescents ◽

Behavioral Problems ◽

School Attendance ◽

Addis Ababa ◽

School Absenteeism ◽

School Aged Children ◽

Neurology Clinic ◽

The Impact

Abstract Abstract Background: Epilepsy is the most common chronic neurological disease seen in Pediatrics Neurology Units in developing countries and like other chronic disorders it has been found to negatively affect school attendance and academic performance influencing school life of children. An educational underachievement can also be due to comorbid learning and behavioral problems in these children. The impact of epilepsy on school attendance may also contribute to the academic difficulties of children with epilepsy. The purpose of this study is to assess school absenteeism and determine which factors influence school absenteeism in school aged children and adolescents with epilepsy. Methods: A hospital based prospective study was conducted among school aged children and adolescents with epilepsy between the ages of 7-18 years attending at the Paediatric Neurology Clinic and their primary caretakers. A sample of 183 children and adolescents were included in the study. The participants (children and their parents/caregivers) gave information concerning the socio-demographic data, primary caregiver’s information like educational status, information concerning child’s seizure and epilepsy status disclosures to teachers and peer. And medical cards were thoroughly reviewed. Descriptive statistics and bi-variate logistic regression analysis was done to assess determinants of school absenteeism. Results: The prevalence of school absenteeism among children aged 7-18years at PNC follow up was 69.4%.Among other factors female sex with AOR 2.19(95% CI 1.03-4.84), having symptomatic seizure AOR 2.51(95% CI 1.09-5.86), having seizure at school and having longer duration of seizure were statistically significant association with school absenteeism. Conclusion: This study demonstrated the school absenteeism is very common among children aged 7-18 years at PNC follow up (69.4%) and that seizure has a significant impact on children’s school attendance. Keywords: Epilepsy; School; Childhood; Absenteeism; Ethiopia Trial registration: N/A

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Puberty could regulate the effects of outdoor time on refractive development in Chinese children and adolescents

British Journal of Ophthalmology ◽

10.1136/bjophthalmol-2019-315636 ◽

2020 ◽

pp. bjophthalmol-2019-315636

Author(s):

Jingjing Wang ◽

Tianyu Cheng ◽

Bo Zhang ◽

Shuyu Xiong ◽

Huijuan Zhao ◽

...

Keyword(s):

Children And Adolescents ◽

Axial Length ◽

Chinese Children ◽

Related Factors ◽

Refractive Development ◽

Significant Difference ◽

Length Changes ◽

The Impact ◽

The Relationship ◽

Chinese Children And Adolescents

AimTo explore the impact of puberty on refractive development and its interaction with outdoor time in children and adolescents.MethodsIn this 2-year observational study, students aged 7–13 years were selected with cluster sampling. All participants underwent cycloplegic refraction and axial length measurements once every year. Information of related factors was acquired through proper questionnaire or inquiry. The level of testosterone/estradiol was detected from the saliva of the subjects using the ELISA kit. Multiple linear regression and generalised estimating equation (GEE) were used to analyse the relationship among puberty, outdoor activities and refractive indicators.ResultsA total of 776 children and adolescents were included, with an average baseline age of 9.64±1.54 years and 53.6% boys. There were 350 myopes (55.2% of the 634 cyclopleged subjects) at baseline. There was a significant difference in the mean axial length changes and outdoor time among different puberty groups (for axial length: p=0.017, for outdoor time: p=0.015). Myopic parents, less outdoor time and more changes in estradiol were associated with greater changes in axial length and spherical equivalent (SE) (axial length changes: parental myopia β=0.230, outdoor time β=−0.250, changes in estradiol β=0.261; SE changes: parental myopia β=−0.267, outdoor time β=0.256, changes in estradiol β=−0.297). In the GEE model, the interaction between outdoor time and puberty was significantly associated with axial length (p=0.024, β=1.199).ConclusionsThis study implies puberty may play a regulating role on the relationship between outdoor time and refractive development among Chinese children and adolescents, which provides clues for in-depth mechanism interpretation and efficient intervention strategies.

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Physical Activity and Survival in Elderly People: A Five-Year Follow-Up Study

Journal of Aging and Physical Activity ◽

10.1123/japa.6.2.133 ◽

1998 ◽

Vol 6 (2) ◽

pp. 133-1440 ◽

Cited By ~ 14

Author(s):

Sanna Sihvonen ◽

Taina Rantanen ◽

Eino Heikkinen

Keyword(s):

Physical Activity ◽

Statistical Power ◽

Age Groups ◽

Activity Level ◽

Activity Levels ◽

Significant Difference ◽

Old Men ◽

The Relationship ◽

Baseline Physical Activity

Changes in physical activity levels were followed over 5 years and the relationship between baseline physical activity and survival was investigated among residents of Jyväskylä. Baseline interviews were carried out for 109 men and 204 women age 75, and 67 men and 178 women age 80. At the time of the follow-up interviews 5 years later. 23 men and 37 women who were age 75 at baseline and 23 men and 50 women who were age 80 at baseline had died. Activity decreased significantly over the 5-year period in all groups. A greater proportion of women than men decreased their activity level in both age groups. Physical activity was significantly associated with better survival (p = .006) in the 80-year-old women, and a similar significant difference (p = .024) was observed among 75-year-old men. The differences in the survival curves in the other groups, although similar, were not statistically significant due to the small number of subjects and lack of statistical power.

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Relationships Between Motor Proficiency and Academic Performance in Mathematics and Reading in School-Aged Children and Adolescents: A Systematic Review

International Journal of Environmental Research and Public Health ◽

10.3390/ijerph15081603 ◽

2018 ◽

Vol 15 (8) ◽

pp. 1603 ◽

Cited By ~ 12

Author(s):

Kirstin Macdonald ◽

Nikki Milne ◽

Robin Orr ◽

Rodney Pope

Keyword(s):

Physical Activity ◽

Systematic Review ◽

Academic Performance ◽

Children And Adolescents ◽

Motor Skill ◽

Early Years ◽

Motor Proficiency ◽

Gross Motor ◽

School Aged Children ◽

The Impact

Positive associations exist between physical activity, cognition, and academic performance in children and adolescents. Further research is required to examine which factors underpin the relationships between physical activity and academic performance. This systematic review aimed to identify, critically appraise, and synthesize findings of studies examining relationships between motor proficiency and academic performance in mathematics and reading in typically developing school-aged children and adolescents. A systematic search of electronic databases was performed to identify relevant studies. Fifty-five eligible articles were critically appraised and key data was extracted and synthesized. Findings support associations between several components of motor proficiency and academic performance in mathematics and reading. There was evidence that fine motor proficiency was significantly and positively associated with academic performance in mathematics and reading, particularly during the early years of school. Significant positive associations were also evident between academic performance and components of gross motor proficiency, specifically speed and agility, upper-limb coordination, and total gross motor scores. Preliminary evidence from a small number of experimental studies suggests motor skill interventions in primary school settings may have a positive impact on academic performance in mathematics and/or reading. Future research should include more robust study designs to explore more extensively the impact of motor skill interventions on academic performance.

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Seizure Impact on the School Attendance in Children with Epilepsy: Prospective Study in the Pediatrics Neurology Clinic at Tikur Anbessa Specialized Hospital,Addis Ababa, Ethiopia

10.21203/rs.2.11162/v2 ◽

2019 ◽

Author(s):

Oumer Hassen ◽

Ayalew moges Beyene

Keyword(s):

Prospective Study ◽

Children And Adolescents ◽

Behavioral Problems ◽

School Attendance ◽

Addis Ababa ◽

School Absenteeism ◽

School Aged Children ◽

Neurology Clinic ◽

The Impact

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PO-279 Bidirectional Associations Between Physical Activity and Adiposity From Childhood to Early Adulthood

Exercise Biochemistry Review ◽

10.14428/ebr.v1i5.12883 ◽

2018 ◽

Vol 1 (5) ◽

Author(s):

Petri Wiklund ◽

Shenglong Le ◽

Xiaowei Ojanen ◽

Yan Zhang ◽

Sulin Cheng

Keyword(s):

Physical Activity ◽

Children And Adolescents ◽

Physical Inactivity ◽

Early Adulthood ◽

Temporal Stability ◽

Activity Level ◽

Path Coefficients ◽

Significant Difference ◽

Bidirectional Associations

Objective Inverse association between physical activity and adiposity in children and adolescents have been documented in numerous studies. However, few studies have examined the direction of causation between these two variables. We aimed to examine the prospective bidirectional associations between physical activity and adiposity from childhood to early adulthood. Methods A total of 396 girls (mean age, 11.2 years at baseline) participated in a longitudinal study with 1, 2, 4, and 7 year follow-ups. Body height and weight were measured, body composition was assessed by DXA and BMI and fat mass index (FMI) were calculated. Leisure-time physical activity (LTPA) and physical inactivity was obtained from questionnaire and physical activity score and inactivity time was calculated. A bivariate cross-lagged panel model was used to estimate the bidirectional associations between physical activity and measures of adiposity across follow-up waves. We further examined whether persistently high or persistently low physical activity or change of physical activity level from low to high and high to low during pubertal years had differential effects on adiposity. For this, the study participants were first divided into two groups according to the median values of their LTPA scores at baseline and at the 7 year follow-up visit. Then four activity groups were formed: consistently high (CH), consistently low (CL), change from high to low (HL), and change from low to high (LH). Analysis of variance (ANOVA) with least significant difference post hoc test was used to compare differences in adiposity between the LTPA groups. Results BMI at each measurement wave strongly predicted subsequent BMI (standardized path coefficients ranged from 0.87 to 0.95, p < 0.001 for all). Similar pattern was observed for LTPA and physical inactivity, though the path coefficients tended to be notably smaller. This auto-regressive part of the model indicates that the temporal stability of BMI from childhood to early adulthood is higher than the temporal stability of LTPA or physical inactivity over the same time period. The cross-lagged effects indicated that higher BMI at baseline and at 4-year follow-up predicted lower LTPA at 2-year and 7-year follow-ups, respectively (p<0.05 for both), but LTPA did not predict subsequent BMI at any time point. Similarly, higher FMI at baseline and at 2-year follow-up predicted lower LTPA at subsequent follow-up waves (p<0.05 for both). No associations were found between sedentary time and adiposity between any time points. The difference in participation in LTPA between consistently high and consistently low PA groups were on average 4 hours per week (p<0.001); however, no significant difference in FMI was found at baseline, 2-year or 7-year follow-up). Similarly, no significant difference in FMI was found between the groups whose LTPA level changed from high to low or from low to high. Conclusions Our results suggest that reduced physical activity in children and adolescents is the result of increased fatness rather than its cause. Current physical activity recommendations may not be sufficient to combat pediatric obesity.

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Relationship between Thyroglobulin and Tumor Detectabilily with Thallium-201 in Differentiated Thyroid Cancer

Nuklearmedizin ◽

10.1055/s-0038-1632238 ◽

2000 ◽

Vol 39 (01) ◽

pp. 10-15 ◽

Cited By ~ 1

Author(s):

S. P. Müller ◽

Ch. Reiners ◽

A. Bockisch ◽

Katja Brandt-Mainz

Keyword(s):

Thyroid Cancer ◽

Differentiated Thyroid Cancer ◽

Roc Analysis ◽

Tsh Suppression ◽

Significant Difference ◽

Test Specificity ◽

The Relationship ◽

Tumor Scintigraphy ◽

Tsh Stimulation

Summary Aim: Tumor scintigraphy with 201-TICI is an established diagnostic method in the follow-up of differentiated thyroid cancer. We investigated the relationship between thyroglobulin (Tg) level and tumor detectability. Subject and methods: We analyzed the scans of 122 patients (66 patients with proven tumor). The patient population was divided into groups with Tg above (N = 33) and below (N = 33) 5 ng/ml under TSH suppression or above (N = 33) and below (N = 33) 50 ng/ml under TSH stimulation. Tumor detectability was compared by ROC-analysis (True-Positive-Fraction test, specificity 90%). Results: There was no significant difference (sensitivity 75% versus 64%; p = 0.55) for patients above and below 5 ng/ml under TSH suppression and a just significant difference (sensitivity 80% versus 58%; p = 0.04) for patients above and below 50 ng/ml under TSH stimulation. In 18 patients from our sample with tumor, Tg under TSH suppression was negative, but 201-TICI-scan was able to detect tumor in 12 patients. Conclusion: Our results demonstrate only a moderate dependence of tumor detectability on Tg level, probably without significant clinical relevance. Even in patients with slight Tg elevation 201-TICI scintigraphy is justified.

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