Jornal de Pediatria (Vers?o em Português)最新文献

{"title":"Brainstem auditory evoked potentials in children with autism spectrum disorder","authors":"Mariana Keiko Kamita,&nbsp;Liliane Aparecida Fagundes Silva,&nbsp;Fernanda Cristina Leite Magliaro,&nbsp;Rebeca Yuko Couto Kawai,&nbsp;Fernanda Dreux Miranda Fernandes,&nbsp;Carla Gentile Matas","doi":"10.1016/j.jpedp.2019.03.003","DOIUrl":"https://doi.org/10.1016/j.jpedp.2019.03.003","url":null,"abstract":"<div><h3>Objectives</h3><p>This study aimed to analyze the neural encoding of verbal and nonverbal stimuli in individuals with autism spectrum disorder using brainstem auditory evoked potentials.</p></div><div><h3>Methodology</h3><p>Thirty individuals between 7 and 12 years of age and of both genders participated in this study. Fifteen were diagnosed with autism spectrum disorder, and 15 had typical development. All subjects had normal hearing and no other impairments. An electrophysiological hearing assessment was performed using brainstem auditory evoked potentials with click and speech stimuli.</p></div><div><h3>Results</h3><p>In the brainstem auditory evoked potentials with click stimuli, the mean wave I latency was longer for the right ear in both groups, and interpeak intervals III–V were greater for the individuals with autism spectrum disorder. For brainstem auditory evoked potentials with speech stimuli, wave V latency was shorter in individuals with autism spectrum disorder.</p></div><div><h3>Conclusion</h3><p>These data suggest that individuals with autism spectrum disorder may have a dysfunction of the central auditory nervous system for nonverbal stimuli and faster neural encoding of the initial part of the verbal stimulus, suggesting hypersensitivity to complex sounds such as speech.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 386-392"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2019.03.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137082547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the lingual frenulum in newborns using two protocols and its association with breastfeeding","authors":"Maria da C.M. Araujo ,&nbsp;Rebeca L. Freitas ,&nbsp;Maria Goretti de Souza Lima ,&nbsp;Veronica M. da R. Kozmhinsky ,&nbsp;Cândida A. Guerra ,&nbsp;Geisy M. de S. Lima ,&nbsp;Amitis V. Costa e Silva ,&nbsp;Paulo Correia de Melo Júnior ,&nbsp;Manuela Arnaud ,&nbsp;Emídio C. Albuquerque ,&nbsp;Aronita Rosenblatt","doi":"10.1016/j.jpedp.2019.05.005","DOIUrl":"https://doi.org/10.1016/j.jpedp.2019.05.005","url":null,"abstract":"<div><h3>Objective</h3><p>To characterize the lingual frenulum of full‐term newborns using two different protocols and to assess the association of the lingual frenulum with breastfeeding.</p></div><div><h3>Methods</h3><p>This non‐probabilistic sample consisted of 449<!--> <!-->mother/baby binomials. For the anatomo‐functional evaluation of the frenulum, the Neonatal Tongue Screening Test and the Bristol Tongue Assessment Tool were used for the evaluation of the lingual frenulum. Breastfeeding was evaluated using the protocol proposed by UNICEF. Scores were created (good, fair, poor) to evaluate every aspect of the breastfeeding to be observed. The results were analyzed through descriptive and inferential statistics and association tests (Pearson's chi‐squared and Fisher's exact test).</p></div><div><h3>Results</h3><p>The study showed that 14 babies had a lingual frenulum alteration, of whom three had difficulties during suction, requiring frenotomy in the first week of life, whereas 11 had no difficulties during breastfeeding. Regarding the breastfeeding evaluation, 410<!--> <!-->mother/baby binomials had good, 36 regular, and three had bad scores. There was a statistically significant association between the tongue‐tie test protocol and breastfeeding (<em>p</em> <!-->=<!--> <!-->0.028) and between the Bristol Tongue Assessment Tool protocol and breastfeeding (<em>p</em> <!-->=<!--> <!-->0.028).</p></div><div><h3>Conclusion</h3><p>Alterations in the lingual frenulum are associated with interferences in the quality of breastfeeding and thus, evaluation of the lingual frenulum in newborns is important.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 379-385"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2019.05.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137083174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neck circumference cutoff points to identify excess android fat","authors":"Mariana De Santis Filgueiras,&nbsp;Fernanda Martins de Albuquerque,&nbsp;Ana Paula Pereira Castro,&nbsp;Naruna Pereira Rocha,&nbsp;Luana Cupertino Milagres,&nbsp;Juliana Farias de Novaes","doi":"10.1016/j.jpedp.2019.02.001","DOIUrl":"https://doi.org/10.1016/j.jpedp.2019.02.001","url":null,"abstract":"<div><h3>Objective</h3><p>To evaluate the ability of neck circumference to identify excess android fat and to propose cutoff points for Brazilian children.</p></div><div><h3>Method</h3><p>This was a cross‐sectional study with 376 children aged 8 and 9 years enrolled in public and private schools in the urban area of the municipality of Viçosa, Minas Gerais. A semi‐structured questionnaire containing sociodemographic and lifestyle information was applied. The following were collected: neck circumference, weight, and height for the calculation of body mass index. The percentage of fat in the android region was determined by dual energy X‐ray absorptiometry. Linear regression analysis was used to evaluate the association between neck circumference and android fat, adopting a significance level of 5%. Receiver operating characteristic curves were used to evaluate the capacity of neck circumference to determine the excess android fat, as well as to estimate the cutoff points of neck circumference according to gender.</p></div><div><h3>Results</h3><p>Multiple linear regression showed an association between neck circumference and android fat (<em>β</em>: 2.94, 95% CI: 2.41, 3.47). Neck circumference was able to identify excess android fat in girls (AUC: 0.909, 95% CI: 0.999, 0.945) and boys (AUC: 0.938, 95% CI: 0.892, 0.968). The proposed cutoff points showed satisfactory sensitivity, specificity, and predictive values.</p></div><div><h3>Conclusions</h3><p>Neck circumference is capable of identifying excess android fat in children and can be used in clinical practice and in population studies to determine central adiposity. The proposed cutoff points were satisfactory, but should be validated for other populations.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 356-363"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2019.02.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137082539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quality of interactive media use in early childhood and child development: a multicriteria analysis","authors":"Juliana N.P. Nobre ,&nbsp;Bernat Vinolas Prat ,&nbsp;Juliana N. Santos ,&nbsp;Lívia R. Santos ,&nbsp;Leiziane Pereira ,&nbsp;Sabrina da C. Guedes ,&nbsp;Rayane F. Ribeiro ,&nbsp;Rosane Luzia de S. Morais","doi":"10.1016/j.jpedp.2019.03.004","DOIUrl":"https://doi.org/10.1016/j.jpedp.2019.03.004","url":null,"abstract":"<div><h3>Objectives</h3><p>(1) To develop an index that allows the measurement of the quality of interactive media used by children in early childhood. (2) To verify whether there is an association between the index and cognitive development, expressive language, and fine and gross motor development.</p></div><div><h3>Methods</h3><p>A quantitative, cross‐sectional, exploratory study with 103 children, aged 24 to 42 months, evaluated by the Bayley Scale of Infant and Toddler Development. The criteria for the index were selected from the literature: (1) media use by parents; (2) time of daily media use; (3) media type; (4) what do you use the media for; (5) who do you use the media with (6) monitoring (limits time, content, interacts during use); (7) purpose of use; (8) parents’ opinion of the media. For development of the multicriteria index, the multi‐attribute utility theory was applied, and Spearman correlation and simple linear regression (<em>p</em> <!-->&lt;<!--> <!-->0.05) were used to verify the association between the index and child development.</p></div><div><h3>Results</h3><p>The index showed a positive and significant correlation with child development in the following domains: language (<em>r</em> <!-->=<!--> <!-->0.40, <em>p</em> <!-->&lt;<!--> <!-->0.001), cognitive (<em>r</em> <!-->=<!--> <!-->0.23, <em>p</em> <!-->=<!--> <!-->0.04), and fine moto<em>r</em> <!-->=<!--> <!-->0.22, <em>p</em> <!-->=<!--> <!-->0.04). Simple linear regression analysis showed that the use of interactive media accounts for 22% of language development (<em>p</em> <!-->&lt;<!--> <!-->0.001).</p></div><div><h3>Conclusion</h3><p>The multicriteria index developed to verify the quality of interactive media used by children in early childhood showed that it has the potential to be used. The positive and significant associations between the quality of interactive media use and child development was verified, mainly regarding language.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 310-317"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2019.03.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137082563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Psychiatric disorders in children with enuresis at 6 and 11 years old in a birth cohort","authors":"Denise M. Mota ,&nbsp;Alicia Matijasevich ,&nbsp;Iná S. Santos ,&nbsp;Sandra Petresco ,&nbsp;Laís Marques Mota","doi":"10.1016/j.jpedp.2019.04.001","DOIUrl":"https://doi.org/10.1016/j.jpedp.2019.04.001","url":null,"abstract":"<div><h3>Objective</h3><p>Enuresis may have a negative impact on the self‐image in childhood and adolescence. The objective of this study was to evaluate the association between enuresis and psychiatric disorders at 6 and 11 years of age.</p></div><div><h3>Method</h3><p>3,356 children of a birth cohort were evaluated. A standard questionnaire on urinary habits and mental health (Development and Well‐Being Assessment [DAWBA]), was used. The prevalence of psychiatric disorders pursuant to the existence of enuresis and its subtypes (monosymptomatic and non‐monosymptomatic), stratified by sex, was described. A logistic regression was used for adjusted analysis.</p></div><div><h3>Results</h3><p>The prevalence of enuresis at age 6 years was of 10.2% (9% non‐monosymptomatic) and, at 11 years old, of 5.4% (4.5% non‐monosymptomatic). At age 6 years, boys with non‐monosymptomatic enuresis showed more hyperactivity disorders than those without enuresis (6.2% <em>vs</em>. 2.7%, p<!--> <!-->=<!--> <!-->0.017). At 11 years old, after adjustment, among the boys with non‐monosymptomatic enuresis, the prevalence of any psychiatric disorder, hyperactivity disorders, and oppositional disorders was, respectively, 3.2, 3.4, and 2.6 times higher than in boys without enuresis; and, among the girls with non‐monosymptomatic enuresis, the prevalence of any psychiatric disorder and oppositional disorders was, respectively, 4 and 5.5 times higher than among girls without enuresis.</p></div><div><h3>Conclusion</h3><p>There is a strong association between non‐monosymptomatic enuresis and psychiatric disorders at 6 and 11 years old.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 318-326"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2019.04.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137083137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Neonatal COVID‐19: little evidence and the need for more information","authors":"Renato Soibelmann Procianoy ,&nbsp;Rita C. Silveira ,&nbsp;Paolo Manzoni ,&nbsp;Guilherme Sant’Anna","doi":"10.1016/j.jpedp.2020.04.002","DOIUrl":"10.1016/j.jpedp.2020.04.002","url":null,"abstract":"","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 269-272"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2020.04.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124365705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between dietary pattern and metabolic disorders in children and adolescents with urolithiasis","authors":"Mariana S. Vieira ,&nbsp;Priscila de C. Francisco ,&nbsp;Ana Luiza L.C. Hallal ,&nbsp;Maria Goretti M.G. Penido ,&nbsp;Nilzete L. Bresolin","doi":"10.1016/j.jpedp.2018.11.023","DOIUrl":"https://doi.org/10.1016/j.jpedp.2018.11.023","url":null,"abstract":"<div><h3>Objective</h3><p>To describe the dietary patterns and occurrence of metabolic disorders in children and adolescents with urolithiasis treatment at a referral hospital in southern Brazil in order to learn the features of urolithiasis in this population to better develop preventive actions.</p></div><div><h3>Methods</h3><p>Descriptive study conducted between 2016 and 2017 in a tertiary care referral hospital. Fourty patients aged 2–19 years old with urolithiasis proven by imaging were included. Clinical and dietary data were obtained through interviews and medical records. For statistical analyses, the chi‐squared test was performed.</p></div><div><h3>Results</h3><p>40 individuals were analyzed. Mean age at diagnosis was 7.2<!--> <!-->±<!--> <!-->4 years. 25% were overweight or obese. 95% had metabolic disorders, hypocitraturia being the predominant type. Protein intake was adequate in all participants and carbohydrate intake, in 70% of them; 37.5% had lipid intake above recommended and 65% had low fiber intake. The mean daily sodium intake was 2.64<!--> <!-->g (±1.74), with 55% of participants ingesting more than the recommended amount. A total of 52.5% had low potassium intake, with a mean of 4.79<!--> <!-->g/day (±2.49). Calcium intake was adequate in 27.5%. No significant differences were identified in relation to mean daily consumption among participants with or without the various metabolic disorders.</p></div><div><h3>Conclusion</h3><p>Pediatric urolithiasis is often accompanied by metabolic disorders; therefore, metabolic evaluation should be part of the diagnostic process and subsequent analysis of these patients’ dietary patterns, helping to optimize treatment and prevent recurrences and complications.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 333-340"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2018.11.023","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137082530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between exposure to urban waste and emotional and behavioral difficulties in schoolchildren","authors":"Tiago Sacchet Dumcke ,&nbsp;Alais Benedetti ,&nbsp;Luciano da Silva Selistre ,&nbsp;Ana Maria Paim Camardelo ,&nbsp;Emerson Rodrigues da Silva","doi":"10.1016/j.jpedp.2019.05.003","DOIUrl":"https://doi.org/10.1016/j.jpedp.2019.05.003","url":null,"abstract":"<div><h3>Objective</h3><p>To evaluate the association between living near waste recycling sites and emotional or behavioral difficulties in schoolchildren.</p></div><div><h3>Methodology</h3><p>A cross‐sectional study with schoolchildren aged 6–13 years old from disadvantaged communities in a Brazilian city, divided between those who live less than 100<!--> <!-->m away from the central point of the recycling site and those that live more than 150<!--> <!-->m away from the site, as a control group and classified through georeferencing. The emotional and behavioral difficulties were investigated using the Strengths and Difficulties Questionnaire tool. Other variables were analyzed through logistic regression to determine their contribution to the outcomes.</p></div><div><h3>Results</h3><p>Children living near waste recycling sites had a higher prevalence of emotional and behavioral problems than children living farther away. In the logistic regression model, no other covariates had a significant impact on the results, except for attending preschool. As expected, the families of the exposed group had lower income and lower levels of schooling, thus being characterized as a highly vulnerable population.</p></div><div><h3>Conclusion</h3><p>The association between living near waste recycling sites and lower test performance raises concerns about the impact of inappropriate waste management in urban centers on children's health.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 3","pages":"Pages 364-370"},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2019.05.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137082544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"First report of two consecutive respiratory syncytial virus outbreaks by the novel genotypes ON‐1 and NA‐2 in a neonatal intensive care unit","authors":"Daniella Gregoria Bomfim Prado da Silva ,&nbsp;Flávia Jacqueline Almeida ,&nbsp;Mariana Volpe Arnoni ,&nbsp;Marco Aurélio Palazzi Sáfadi ,&nbsp;Marcelo Jenne Mimica ,&nbsp;Daniel Jarovsky ,&nbsp;Gabriela Pereira de Almeida Rossetti ,&nbsp;Mauricio Magalhães ,&nbsp;Danielle Bruna Leal de Oliveira ,&nbsp;Luciano Matsumiya Thomazelli ,&nbsp;Thais Cristina Colmanetti ,&nbsp;Edison Luiz Durigon ,&nbsp;Eitan Naaman Berezin","doi":"10.1016/j.jpedp.2018.10.008","DOIUrl":"10.1016/j.jpedp.2018.10.008","url":null,"abstract":"<div><h3>Objective</h3><p>Respiratory syncytial virus is a pathogen frequently involved in nosocomial outbreaks. Although several studies have reported nosocomial outbreaks in neonatal intensive care units, molecular epidemiology data are scarce. Here, the authors describe two consecutive respiratory syncytial virus outbreaks caused by genotypes ON‐1 and NA‐2 in a neonatal intensive care unit in São Paulo, Brazil.</p></div><div><h3>Methods</h3><p>A prospective search for respiratory syncytial virus was performed after diagnosing the index case and four other symptomatic newborns in the neonatal intensive care unit. Nasopharyngeal aspirate samples of all patients in the neonatal intensive care unit were tested for 17 respiratory viruses using real‐time reverse transcriptase polymerase chain reaction. Genotyping was performed using nucleotide sequencing.</p></div><div><h3>Results</h3><p>From May to August 2013, two different outbreaks were detected in the neonatal intensive care unit. A total of 20 infants were infected with respiratory syncytial virus‐A (ten and 14 with ON‐1 and NA‐2 genotypes, respectively). The mean age of the infants was 10 days, mean birth weight was 1,961<!--> <!-->g, and the mean gestational age was 33 weeks. Risk factors (heart disease, lung disease, and prematurity) were present in 80% and 85.7% of infants in the ON‐1 and NA‐2 groups, respectively. In total, 45.8% of infants were asymptomatic and 20.8% required mechanical ventilation. Coinfections were not detected during the outbreaks.</p></div><div><h3>Conclusions</h3><p>Infants in a neonatal intensive care unit who develop abrupt respiratory symptoms should be tested for respiratory viruses, especially respiratory syncytial virus. Even in the absence of severe symptoms, respiratory syncytial virus detection can prevent nosocomial transmission through infection control measures. A better understanding of respiratory syncytial virus molecular epidemiology is essential for developing new vaccines and antiviral drugs against respiratory syncytial virus.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 2","pages":"Pages 233-239"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2018.10.008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121780010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Why are children different in their moderate‐to‐vigorous physical activity levels? A multilevel analysis","authors":"Sara Pereira ,&nbsp;Ana Reyes ,&nbsp;Marcos A. Moura‐Dos‐Santos ,&nbsp;Carla Santos ,&nbsp;Thayse N. Gomes ,&nbsp;Go Tani ,&nbsp;Olga Vasconcelos ,&nbsp;Tiago V. Barreira ,&nbsp;Peter T. Katzmarzyk ,&nbsp;José Maia","doi":"10.1016/j.jpedp.2018.09.003","DOIUrl":"https://doi.org/10.1016/j.jpedp.2018.09.003","url":null,"abstract":"<div><h3>Objective</h3><p>Children's differences in moderate‐to‐vigorous physical activity levels are not at random. This study investigates the relevance of individual‐ and school‐level characteristics in explaining these differences.</p></div><div><h3>Methods</h3><p>In total, 307 children (154 girls) aged 5–10 years, from 19 Portuguese schools, were sampled. Height and weight were measured, and body mass index was calculated. Time spent in moderate‐to‐vigorous physical activity was measured by accelerometry. Gross motor coordination was assessed with the <em>KörperkoordinationsTest für Kinder</em> battery and socio‐economic status was obtained <em>via</em> the school social support system. School characteristics were obtained with an objective school audit. A multilevel analysis was used as implemented in Stata 15.</p></div><div><h3>Results</h3><p>Schools explained 18.2% of the total variance in moderate‐to‐vigorous physical activity, with the remainder being ascribed to children's distinct characteristics. Boys were more active (<em>β</em> <!-->=<!--> <!-->29.59<!--> <!-->±<!--> <!-->11.52, <em>p</em> <!-->&lt;<!--> <!-->0.05), and having higher gross motor coordination levels (<em>β</em> <!-->=<!--> <!-->0.11<!--> <!-->±<!--> <!-->0.04, <em>p</em> <!-->&lt;<!--> <!-->0.05) was positively associated with daily moderate‐to‐vigorous physical activity, whereas being older (<em>β</em> <!-->=<!--> <!-->−5.00<!--> <!-->±<!--> <!-->1.57, <em>p</em> <!-->&lt;<!--> <!-->0.05) and having higher socio‐economic status (<em>β</em> <!-->=<!--> <!-->−7.89<!--> <!-->±<!--> <!-->3.12, <em>p</em> <!-->&lt;<!--> <!-->0.05) were negatively related with moderate‐to‐vigorous physical activity. From the school‐level correlates, only playground dimension was significantly associated with moderate‐to‐vigorous physical activity levels. Children from schools with medium (40<!--> <!-->m² to 69<!--> <!-->m²) and large playground dimensions (≥70<!--> <!-->m²) were less active than children with smaller playground dimensions (10<!--> <!-->m² to 39<!--> <!-->m²).</p></div><div><h3>Conclusions</h3><p>Variation in school children's moderate‐to‐vigorous physical activity is mostly explained by their individual characteristics; school characteristics also play a role but to a smaller degree. Future intervention programs to change this behavior should be more personalized, emphasizing mostly individual‐level characteristics.</p></div>","PeriodicalId":100742,"journal":{"name":"Jornal de Pediatria (Vers?o em Português)","volume":"96 2","pages":"Pages 225-232"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.jpedp.2018.09.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137162687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}