Avaliação de programa de atividade física para escolares: desenvolvimento e validação de instrumento / Evaluation of physical activity program for students: development and validation of an instrument

Este estudo objetiva desenvolver e validar um instrumento para avaliar dimensões do planejamento e processo de implementação de um programa de intervenção voltado à promoção de atividade física em escolares. Foi conduzido um estudo metodológico realizado durante os meses de julho a dezembro de 2016, vinculado ao programa de intervenção intitulado de "Movimente". O estudo envolveu as fases teórica (construção do instrumento), empírica e analítica (validação de conteúdo por especialistas, com atribuição de pontuação para os itens e de semântica, por membros da comunidade escolar e alunos do 7º ao 9º ano). O instrumento é dividido em duas dimensões: planejamento e processo. Resultados mostram que a dimensão de planejamento foi composta por indicadores acerca da importância da discussão sobre temas de saúde no contexto escolar, interesse em participar do programa e de suas respectivas ações. A dimensão de processo englobou indicadores sobre conhecimento e avaliação do programa e de suas respectivas ações, bem como sobre o interesse em manter o mesmo. Todas as questões foram consideradas válidas (índices de validade acima de 0,90) e compreensíveis (escores acima de 0,82). Conclui-se que o instrumento apresentou qualidade satisfatória no que diz respeito a validade de conteúdo e semântica, sendo considerado apropriado para avaliação do Programa Movimente e programas e ou projetos similares

This study aims to develop and validate an instrument that evaluates dimensions of planning and im-plementation of an intervention program focused on physical activity promotion in schoolers. It was conducted a methodological study carried out during the months of July to December of 2016, part of the Movimente Program. The study included theoretical (instrument development), empirical and analytical phases (content validadion by specialists, with scores atribution to each item, and by par-ticipants with characteristics similar to those of the target population, including school community, and students from 7th to 9th grade school). The instrument is composed by two dimensions: planning and process. Results show that planning was composed by indicators related to the importance of discussing health topics on the school context; interest in take part of the Program and its respective actions. Dimension included indicatos related to awaraness and evaluation program, and interest on program maintenance. All questions were considered valid (validation scores greater then 0.90) and with a good semantic (scores greated than 0.82). In conclusion, the instrument showed a reasonable quality regarding semantic and content validity, being considered apropriate for evaluation of Movi-mente Program and similar programs of physical activitiy programs in schoolers

Análise temporal dos grupos de pesquisa da educação física no Brasil e sua vinculação com as linhas de pesquisa escola, esporte e saúde / Physical education research groups temporal analysis in brasil and its distribution at research lines school, sport and health / Análisis temporal de grupos de investigación en educación física en brasil y su distribución en líneas de investigación escuela, deporte y salud

Investigar grupos de pesquisa (GPs) possibilita visualizar como está o desenvolvimento científico de uma área do conhecimento. Este estudo objetivou descrever a trajetória dos GPs da educação física no Brasil, caracterizando sua distribuição geográfica e vinculação nas linhas de pesquisa Escola, Saúde e Esporte. Foi realizada busca parametrizada no painel Lattes do Diretório de GPs. Desde 1993 houve crescimento no número de GP. Houve maior concentração nas regiões sudeste (n=250), sul (n=181) e nos estados de São Paulo (n=126) e Paraná (n=72). Alocou-se maior número de GPs na temática Esporte (n=247), seguido da Escola (n=122) e Saúde (n=113). Incentiva-se a nucleação de GPs nas regiões com menor número, de modo a promover o desenvolvimento científico em todo o país (AU).

o investigate research groups (RG) enable to visualize how is going the scientific development of a knowledge area. The aim of this study was to analyze the trajectory of physical education RG in Brazil, and characterize its geography distribution, and its distribution by research line (school, health and sports). A parameterized search at the DGOB Lattes was made. Since 1993 increase the number of RG. Higher concentration were found in southeast (n=250), South (n=181) and in São Paulo (n=126) and Paraná (72) state. Higher number of RG were found in Sport (n=247), follow by school (n=122) and health (n=113). Incentive is needed to increase the RG number in regions with lower numbers with the aim to develop the science in all country (AU).

Investigar grupos de investigación (GI) permite visualizar el desarrollo científico de un área de conocimiento. O el propósito de la investigación fue analizar la trayectoria de los GI de educación física en Brasil, caracterizando su distribución geográfica y lo vínculo con las líneas de investigación Escuela, Salud y Deporte. Se realizó una búsqueda paramétrica en el DGPB Lattes. Desde 1993, aumentado el número de GI. Mayor número en las regiones Sureste (n=250) y Sur (n=181) en los estados de São Paulo (n=126) y Paraná (72). Mayor número en los temas deporte (n=247), Escuela (n=122) y Salud (n=113). Se fomenta el aumento de GP en las regiones con menor número para promover el desarrollo científico en todo el país (AU).

Protocol paper for the Movimente school-based program: A cluster-randomized controlled trial targeting physical activity and sedentary behavior among Brazilian adolescents.

BACKGROUND: A better understanding of how multicomponent school-based interventions work and their effects on health and education outcomes are needed. This paper described the methods of the Movimente Program, a school-based intervention that aims to increase physical activity (PA) and decrease sedentary behavior (SB) among Brazilian students. METHODS: This is a cluster randomized controlled trial with adolescents from 7th to 9th grade in public schools from Florianopolis, Southern Brazil. After agreement, 6 schools were randomly selected to intervention or control groups (3 schools each), and all eligible students were invited to the study. The Movimente intervention program was performed during a school year and included 3 main components: Teacher training (including face-to-face meeting, social media platform, and handbook with lesson plans); improvements in the PA environment in school; and educational strategies. Control schools continued with their traditional schedule. Baseline (March/April 2017), postintervention (November/December 2017), and maintenance (June/July 2018) evaluations included PA and SB as primary outcomes (assessed by self-report and accelerometry). Secondary outcomes included psychosocial factors related to PA and SB (e.g., social support and self-efficacy), as well as health (e.g., quality of life and nutritional status) and education (e.g., academic achievement) outcomes. A program evaluation was performed based on the RE-AIM framework. Participants, intervention staffs, and evaluators were not blinded to group assignment, but a standardized evaluation protocol was applied independently of the trial allocation. RESULTS: Statistical analyses will include a multilevel approach for repeated measurements and mediation analysis. Any side effects of the intervention will be recorded. The sample size close to that expected (n = 1090) was reached (n = 999). The results of this trial will involve valuable information about the effect and the evaluation of a multicomponent intervention carried out in a middle-income country. CONCLUSION: By creating opportunities for adolescents to be active at school using multicomponent strategies, the Movimente program has the potential to enhance students health and academic performance which may encourage the school community (e.g., teachers, principals) to adopt the program. Also, this trial will provide evidence for practitioners, policy makers, and researchers on how multicomponent program may be implemented in a school setting. TRIAL REGISTRATION: The trial is registered at the Clinical Trial Registry (Trial ID: NCT02944318; date of registration: 18 October 2016).

[Fruit and vegetable consumption over a decade among adolescents in the State of Santa Catarina, Brazil]. / Consumo de frutas e verduras por adolescentes catarinenses ao longo de uma década.

Understanding the changes in the trends of fruit and vegetable consumption among adolescents is important in order to implement public health actions. The scope of this article is to investigate the changes over a ten-year period in the daily fruit and vegetable consumption among adolescents from Santa Catarina, according to sex, age and housing area. It is a secondary analysis of a panel survey entitled "Lifestyle and Risk Behavior of Adolescents in the State of Santa Catarina, Brazil (ComPAC)." Adolescents (15-19 years of age) of state schools in 2001 (n=5.028) and 2011 (n=6.529) answered a questionnaire about fruit and vegetable consumption as well as about sociodemographic aspects. Descriptive statistics and logistic regression were applied, according to sex, age and housing area. There was a decrease in daily fruit (39.1% and 16.6%) and vegetable (40.1% and 20.6%) consumption. Different prevalence levels were observed when analyzing subgroups, mainly among girls. From 2001 to 2011, daily vegetable consumption among boys and adolescents in rural areas remained the same. The decrease in daily consumption of fruit and vegetables among adolescents aged 15 to 19 in Santa Catarina highlights the need for the development of strategies to reverse this scenario.

Compreender mudanças no consumo de frutas e verduras por adolescentes é importante para criação de ações de saúde pública. O objetivo deste artigo é investigar mudanças, em dez anos, no consumo diário de frutas e verduras por adolescentes, de acordo com sexo, idade e área de moradia. Estudo de painel (análise secundária) da pesquisa "Estilo de vida e comportamentos de risco de jovens catarinenses". Adolescentes (15-19 anos) de escolas estaduais, em 2001 (n = 5.028) e 2011 (n = 6.529), responderam questionário sobre consumo de frutas e verduras e aspectos sociodemográficos. Estatística descritiva e regressão logística (2001 vs 2011), estratificada para sexo, idade e área de moradia. Houve diminuição no consumo diário de frutas (39,1% e 16,6%) e de verduras (40,1% e 20,6%). Diferentes prevalências são observadas de acordo com subgrupos, principalmente entre moças. A chance para consumo diário de verduras entre rapazes e adolescentes de área rural continuou a mesma. A diminuição na prevalência do consumo diário de frutas e verduras por adolescentes catarinenses de 15 a 19 anos aponta necessidade de criação de estratégias para reversão deste cenário.

Consumo de frutas e verduras por adolescentes catarinenses ao longo de uma década / Fruit and vegetable consumption over a decade among adolescents in the State of Santa Catarina, Brazil

Resumo Compreender mudanças no consumo de frutas e verduras por adolescentes é importante para criação de ações de saúde pública. O objetivo deste artigo é investigar mudanças, em dez anos, no consumo diário de frutas e verduras por adolescentes, de acordo com sexo, idade e área de moradia. Estudo de painel (análise secundária) da pesquisa "Estilo de vida e comportamentos de risco de jovens catarinenses". Adolescentes (15-19 anos) de escolas estaduais, em 2001 (n = 5.028) e 2011 (n = 6.529), responderam questionário sobre consumo de frutas e verduras e aspectos sociodemográficos. Estatística descritiva e regressão logística (2001 vs 2011), estratificada para sexo, idade e área de moradia. Houve diminuição no consumo diário de frutas (39,1% e 16,6%) e de verduras (40,1% e 20,6%). Diferentes prevalências são observadas de acordo com subgrupos, principalmente entre moças. A chance para consumo diário de verduras entre rapazes e adolescentes de área rural continuou a mesma. A diminuição na prevalência do consumo diário de frutas e verduras por adolescentes catarinenses de 15 a 19 anos aponta necessidade de criação de estratégias para reversão deste cenário.

Abstract Understanding the changes in the trends of fruit and vegetable consumption among adolescents is important in order to implement public health actions. The scope of this article is to investigate the changes over a ten-year period in the daily fruit and vegetable consumption among adolescents from Santa Catarina, according to sex, age and housing area. It is a secondary analysis of a panel survey entitled "Lifestyle and Risk Behavior of Adolescents in the State of Santa Catarina, Brazil (ComPAC)." Adolescents (15-19 years of age) of state schools in 2001 (n=5.028) and 2011 (n=6.529) answered a questionnaire about fruit and vegetable consumption as well as about sociodemographic aspects. Descriptive statistics and logistic regression were applied, according to sex, age and housing area. There was a decrease in daily fruit (39.1% and 16.6%) and vegetable (40.1% and 20.6%) consumption. Different prevalence levels were observed when analyzing subgroups, mainly among girls. From 2001 to 2011, daily vegetable consumption among boys and adolescents in rural areas remained the same. The decrease in daily consumption of fruit and vegetables among adolescents aged 15 to 19 in Santa Catarina highlights the need for the development of strategies to reverse this scenario.

Change in overweight and obesity over a decade according to sociodemographic factors in Brazilian adolescents.

The aims were to examine changes in the prevalence of overweight and obesity among students from 2001 to 2011, and to verify if these changes differ according to age group, area of residence, and family income. We analyzed two cross-sectional surveys conducted in 2001 and 2011 with brazilian adolescents. Sociodemographic and anthropometric characteristics were self-reported using a questionnaire. Multinomial logistic regression was used to analyze changes in overweight and obesity between the two surveys. The nutritional status was the outcome of the present study and the surveys (2001 and 2011) were the exposure. The odds of being overweight and obese were higher among boys and girls in urban areas in the 2011 survey compared to the 2001. Boys and girls with higher income were also more likely to present overweight and obesity in the second survey compared to the first. An increase of overweight and obesity was observed over a decade. We suggest that future interventions consider the area of residence and the family income to strengthen the effectiveness of actions developed to prevent and control these indicators among adolescents.

[Assistance programs for physical activity in Brazilian schools: a review based on the RE-AIM model]. / Programas de intervenção para atividade física nas escolas brasileiras: revisão com base no modelo RE-AIM.

The analysis of physical activity (PA) assistance programs is of major importance to ensure progress in the area. The Reach, Efficacy, Adoption, Implementation and Maintenance (RE-AIM) tool has been broadly disseminated in the literature. This study set out to identify PA assistance programs among Brazilian students and analyze them using the RE-AIM tool. The search was conducted in the Lilacs, SportDiscus, SciELO, Scopus, Web of Science, EBSCOhot, PsycINFO and PubMed databases. After thoroughly researching titles, abstracts and studies, 15 articles (seven PA assistance programs) were included. The programs were conducted in the past decade at public schools in the South and Southeast of Brazil. Multicomponent (education and teacher training) strategies were used with positive results in the practice of PA. With respect to the results of the RE-AIM tool, it was found that the most reported dimensions were "reach" (74%), followed by "efficacy" (48%), "adoption" (43%), "implementation" (35%) and "maintenance" (5%). The indicators most frequently mentioned were those related to the internal validity of the program: demographic and behavioral information of the target population, method of identification of the target population, sample size, participation rate and number of organizational units involved.

Analisar programas de intervenção para atividade física (AF) é de grande importância para auxiliar o avanço na área. A ferramenta RE-AIM vem sendo amplamente difundida na literatura. Neste sentido, o presente estudo objetivou identificar programas de intervenção para AF em escolares brasileiros e analisá-los por meio da ferramenta RE-AIM. A busca foi realizada nas bases Lilacs, SportDiscus, SciELO, Scopus, Web of Science, EBSCOhot, Psycinfo e PubMed. Após leitura de títulos, resumos e estudos na íntegra, foram inclusos 15 artigos (sete programas de intervenção para AF). Verificou-se que os programas foram realizados nos últimos dez anos, em escolas públicas, com a maior parte nas regiões Sul e Sudeste do Brasil. Foram utilizadas estratégias multicomponentes (educativas e treinamento de professores), com resultados positivos na prática de AF. Quanto às dimensões do RE-AIM, verificou-se que "alcance" foi a mais relatada (74%), seguida de "efetividade/eficácia" (48%), "adoção" (43%), "implementação" (35%) e "manutenção" (5%). Os indicadores mais mencionados foram aqueles referentes à validade interna do programa: informação demográfica e comportamental da população alvo, método de identificação da população-alvo, tamanho da amostra, taxa de participação e número de unidades organizacionais envolvidas.

Programas de intervenção para atividade física nas escolas brasileiras: revisão com base no modelo RE-AIM / Assistance programs for physical activity in Brazilian schools: a review based on the RE-AIM model

Resumo Analisar programas de intervenção para atividade física (AF) é de grande importância para auxiliar o avanço na área. A ferramenta RE-AIM vem sendo amplamente difundida na literatura. Neste sentido, o presente estudo objetivou identificar programas de intervenção para AF em escolares brasileiros e analisá-los por meio da ferramenta RE-AIM. A busca foi realizada nas bases Lilacs, SportDiscus, SciELO, Scopus, Web of Science, EBSCOhot, Psycinfo e PubMed. Após leitura de títulos, resumos e estudos na íntegra, foram inclusos 15 artigos (sete programas de intervenção para AF). Verificou-se que os programas foram realizados nos últimos dez anos, em escolas públicas, com a maior parte nas regiões Sul e Sudeste do Brasil. Foram utilizadas estratégias multicomponentes (educativas e treinamento de professores), com resultados positivos na prática de AF. Quanto às dimensões do RE-AIM, verificou-se que "alcance" foi a mais relatada (74%), seguida de "efetividade/eficácia" (48%), "adoção" (43%), "implementação" (35%) e "manutenção" (5%). Os indicadores mais mencionados foram aqueles referentes à validade interna do programa: informação demográfica e comportamental da população alvo, método de identificação da população-alvo, tamanho da amostra, taxa de participação e número de unidades organizacionais envolvidas.

Abstract The analysis of physical activity (PA) assistance programs is of major importance to ensure progress in the area. The Reach, Efficacy, Adoption, Implementation and Maintenance (RE-AIM) tool has been broadly disseminated in the literature. This study set out to identify PA assistance programs among Brazilian students and analyze them using the RE-AIM tool. The search was conducted in the Lilacs, SportDiscus, SciELO, Scopus, Web of Science, EBSCOhot, PsycINFO and PubMed databases. After thoroughly researching titles, abstracts and studies, 15 articles (seven PA assistance programs) were included. The programs were conducted in the past decade at public schools in the South and Southeast of Brazil. Multicomponent (education and teacher training) strategies were used with positive results in the practice of PA. With respect to the results of the RE-AIM tool, it was found that the most reported dimensions were "reach" (74%), followed by "efficacy" (48%), "adoption" (43%), "implementation" (35%) and "maintenance" (5%). The indicators most frequently mentioned were those related to the internal validity of the program: demographic and behavioral information of the target population, method of identification of the target population, sample size, participation rate and number of organizational units involved.

Change in overweight and obesity over a decade according to sociodemographic factors in Brazilian adolescents / Mudança no sobrepeso e obesidade após uma década de acordo com fatores sociodemográficos em adolescentes brasileiros

Abstract The aims were to examine changes in the prevalence of overweight and obesity among students from 2001 to 2011, and to verify if these changes differ according to age group, area of residence, and family income. We analyzed two cross-sectional surveys conducted in 2001 and 2011 with brazilian adolescents. Sociodemographic and anthropometric characteristics were self-reported using a questionnaire. Multinomial logistic regression was used to analyze changes in overweight and obesity between the two surveys. The nutritional status was the outcome of the present study and the surveys (2001 and 2011) were the exposure. The odds of being overweight and obese were higher among boys and girls in urban areas in the 2011 survey compared to the 2001. Boys and girls with higher income were also more likely to present overweight and obesity in the second survey compared to the first. An increase of overweight and obesity was observed over a decade. We suggest that future interventions consider the area of residence and the family income to strengthen the effectiveness of actions developed to prevent and control these indicators among adolescents.

Resumo Os objetivos do estudo foram examinar as mudanças na prevalência de sobrepeso e obesidade entre os estudantes de 2001 a 2011 e verificar se essas alterações diferem de acordo com a faixa etária, a área de residência e a renda familiar. Analisamos dois levantamentos transversais realizados em 2001 e 2011 com adolescentes brasileiros. As características sociodemográficas e antropométricas foram autorrelatadas por meio de um questionário. Regressão logística multinomial foi utilizada para analisar as mudanças no sobrepeso e obesidade entre os dois inquéritos. O estado nutricional foi considerado o desfecho do presente estudo e os inquéritos (2001 e 2011) foram as exposições. As razões de chance de sobrepeso e obesidade foram maiores entre os meninos e meninas em áreas urbanas no inquérito de 2011 em comparação com 2001. Meninos e meninas com maior renda também apresentaram maior chance de sobrepeso e obesidade no segundo inquérito. Sugerimos que futuras intervenções considerem a área de residência e a renda familiar para fortalecer a eficácia das ações desenvolvidas para prevenir e controlar esses indicadores entre os adolescentes.

Effect of a Multicomponent Intervention on Lifestyle Factors among Brazilian Adolescents from Low Human Development Index Areas: A Cluster-Randomized Controlled Trial.

Promoting healthy lifestyle factors (e.g., physical activity, healthy eating, less screen time) among young people is a relevant and challenging step toward reducing non-communicable diseases. This study aimed to evaluate the effect of a multicomponent intervention on lifestyle factors among adolescents from schools in low Human Development Index (HDI < 0.500) areas. The Fortaleça sua Saúde program was conducted with 548 adolescents aged 11⁻18 years old in the intervention group and 537 in the control group. The four-month intervention included strategies focused on training teachers, new opportunities for physical activity in the school environment, and health education strategies for the school community (including parents). Moderate- to-vigorous physical activity level (≥420 min/week), TV watching and computer use/gaming (<2 h/day), daily consumption of fruit juice, fruit, vegetables, soft drinks, savory foods and sweets, and current alcohol and tobacco use were measured before and after intervention. McNemar's test and logistic regression (odds ratio [OR] and a 95% confidence interval [95% CI]) were used, considering p < 0.05. In the intervention schools, a significant increase occurred in the number of adolescents who met physical activity guidelines (5.3%; 95% CI = 0.8; 9.8) and who reported using computer for <2 h a day (8.6%; 95% CI = 3.8; 13.4) after intervention. No changes were observed in the control schools. At the end of the intervention, adolescents from intervention schools were more likely to practice physical activity at recommended levels (OR = 1.44; 95% CI = 1.00; 2.08) than adolescents from control schools. No significant change was observed for the other lifestyle factors. In conclusion, this multicomponent intervention was effective in promoting physical activity among adolescents from vulnerable areas. However, other lifestyle factors showed no significant change after intervention. This study is registered at Clinicaltrials.gov NCT02439827.

Clustering of diet, physical activity and sedentary behavior among Brazilian adolescents in the national school - based health survey (PeNSE 2015).

BACKGROUND: There is a lack of evidence regarding clusters of health-related behaviors among adolescents from low, lower-middle, and upper-middle income countries. This study aimed to identify clustering patterns of health-related behaviors (diet, physical activity [PA] and sedentary behavior [SB]) and association with sociodemographic variables among a population-based sample of Brazilian adolescents. METHODS: Cross-sectional data from the 2015 National School-Based Health Survey (PeNSE). A total of 102,072 (females: 51.7%) students in ninth-grade (age: 14.3 ± 1.1 years-old) enrolled in public and private schools were investigated in this study. Healthy and unhealthy diet, PA and SB were measured using a validated questionnaire. Two-step cluster analysis was conducted to identify lifestyle patterns. The methodology for complex analysis and weighting was used to inferential statistical procedures. Multinomial logistic regression assessed associations between sociodemographic factors and the clusters. RESULTS: Three reliable and meaningful clusters were identified and labelled as follows: (1) health-promoting SB and diet (32.6%); (2) health-promoting PA and diet (44.9%), and (3) health-risk (22.5%). Compared to boys, girls were less likely to be in clusters 1 (OR = 0.85; 95% CI = 0.78-0.93, p < 0.001) and 2 (OR = 0.43; 95% CI = 0.40-0.46, p < 0.001) than the health-risk cluster. Higher socioeconomic status was positively associated with health-promoting PA and diet, and negatively related to health-promoting SB and diet. Older adolescents were more likely to be in cluster 1 than in cluster 3, compared to younger adolescents. CONCLUSION: Approximately one-quarter of the population (health-risk cluster) reported engaging in multiple risk behaviors. Interventions may need to be tailored to specific adolescent groups, especially considering sociodemographic differences.

Behavior change stages related to physical activity in adolescents from Santa Catarina: prevalence and associated factors / Estágios de mudança de comportamento para atividade física em adolescentes catarinenses: prevalência e fatores associados

Abstract Objective: Verify the prevalence and sociodemographic and economic factors associated with behavior change stages for habitual physical activity practice in adolescents from Santa Catarina. Methods: Secondary analysis of a study on the Behavior of Adolescents from Santa Catarina (CompAC 2). Cross-sectional school-based study of 6,529 high-school students (males, n=2,903) from the state of Santa Catarina public education system in 2011, aged 15 to 19 years. Multinomial logistic regression (crude and adjusted) was used to measure the association. Results: The highest and lowest prevalence rates were found in the maintenance (43.9%) and precontemplation stages (7.0%), respectively. The stages of action, preparation and contemplation showed similar results: 16.2%; 17.0% and 15.6%; respectively. Male adolescents show higher prevalence in the maintenance stage in relation to females and these show a higher prevalence in preparation, contemplation and precontemplation. All the assessed variables (gender, age, area of residence, employment status, family income, maternal education and school grade), with the exception of school shift, were associated with at least one of the stages. Conclusions: A large proportion of adolescents are in the pre-adoption stages and most of these have the intention to start regular physical activity. With the exception of school shift, the assessed variables were associated with stages in different ways, showing different profiles in relation to sociodemographic and economic characteristics in each subgroup.

Resumo Objetivo: Verificar as prevalências e os fatores sociodemográficos e econômicos associados aos estágios de mudança de comportamento para prática habitual de atividade física em adolescentes catarinenses. Métodos: Análise secundária de estudo sobre o Comportamento do Adolescente Catarinense (CompAC 2). Estudo transversal de base escolar composto por 6.529 escolares (sexo masculino, n=2.903) do ensino médio da rede pública estadual de Santa Catarina em 2011, entre 15 a 19 anos. Para medida de associação, usou-se regressão logística multinomial (bruta e ajustada). Resultados: As prevalências mais elevadas e mais baixas foram verificadas nos estágios de manutenção (43,9%) e pré-contemplação (7%), respectivamente. Os estágios de ação, preparação e contemplação apresentaram resultados semelhantes entre si: 16,2%, 17% e 15,6%, respectivamente. Adolescentes do sexo masculino estão em maior prevalência no estágio de manutenção em relação aos do sexo feminino e essas apresentam maior prevalência em preparação, contemplação e pré-contemplação. Todas as variáveis investigadas (sexo, idade, área de moradia, situação ocupacional, renda familiar, escolaridade materna e série escolar), com exceção do turno de estudo, apresentaram associação com pelo menos um dos estágios. Conclusões: Grande parcela dos adolescentes encontra-se nos estágios de pré-adoção e a maioria desses tem a intenção de iniciar a prática regular de atividade física. Com exceção do turno de estudo, as variáveis investigadas estiveram associadas aos estágios de diferentes formas, apresentaram perfis distintos em relação às características sociodemográficas e econômicas em cada subgrupo.

Overweight in Brazilian industry workers: Prevalence and association with demographic and socioeconomic factors and soft drink intake / Excesso de peso em trabalhadores de indústrias no Brasil: prevalência e associação com fatores demográficos, socioeconômicos e consumo de refrigerantes

Objective: To estimate the prevalence of overweight in industry workers and its association with demographic and socioeconomic factors and soft drink intake (including type). Methods: This is a nationwide cross-sectional cohort survey of "Lifestyle and leisure habits of industry workers" conducted between 2006 and 2008 in 24 Brazilian federate units. The participants answered a previously tested questionnaire and self-reported their weight and height. Statistical analyses consisted of crude and adjusted Poisson regression. Results: Males and females had overweight prevalences of 45.7% (95%CI=45.1; 46.2) and 28.1% (95%CI=27.4; 28.9) respectively. Older and married individuals and those working in medium-sized and large factories were more likely to be overweight. Males with higher education levels and gross family incomes were also more likely to be overweight, but not females. Finally, men (PR=1.24; 95%CI=1.13; 1.36) and women (PR=1.40; 95%CI=1.22; 1.61) who consumed diet/light soft drinks were also more likely to be overweight than those who did not consume soft drinks. Conclusion: More than one-third of the workers were overweight according to their self-reported weight and height, and the prevalence of overweight was higher in males. Demographic and socioeconomic variables and diet/light soft drink intake were associated with overweight. These data may be helpful for the development of actions that reduce the risk of overweight in this population. .

Objetivo: Estimar a prevalência de excesso de peso e sua associação com fatores demográficos, socioeconômicos e com o consumo e tipo de refrigerante ingerido. Métodos: Trata-se de um inquérito nacional, de corte transversal, sobre o "Estilo de vida e hábitos de lazer de trabalhadores da indústria", realizado nos anos de 2006 a 2008, em 24 unidades federativas do Brasil. As informações foram obtidas por meio de um questionário previamente testado, inclusive a informação sobre o excesso de peso (autorrelato do peso e da estatura). Regressões de Poisson bruta e ajustada foram realizadas. Resultados: A prevalência de excesso de peso foi de 45,7% (IC95%=45,1; 46,2) nos homens e 28,1% (IC95%=27,4; 28,9) nas mulheres. Identificou-se que o aumento da idade, ser casado e o tamanho das empresas (médio e grande porte) associaram-se a maiores probabilidades para o excesso de peso. Quanto maior a escolaridade e a renda familiar bruta entre os homens, maior a probabilidade de excesso de peso, tendo sido observada situação contrária entre as mulheres. Homens (RP=1,24; IC95%=1,13; 1,36) e mulheres (RP=1,40; IC95%; 1,22; 1,61) que relataram consumir refrigerantes diet/light também apresentaram maior excesso de peso quando comparados àqueles que relataram não consumir refrigerantes. Conclusões: Em seus autorrelatos, mais de um terço dos trabalhadores foram classificados com excesso de peso, com maior prevalência entre os homens. Variáveis demográficas, socioeconômicas e consumo de refrigerantes diet/light se mostraram associados ao excesso de peso. Tais informações podem auxiliar na elaboração de ações direcionadas para redução da probabilidade do excesso de peso nesse grupo. .

Behaviors associated to sleep among high school students: cross-sectional and prospective analysis / Comportamentos associados ao sono em estudantes do ensino médio: análises transversal e prospectiva

The association between health behaviors and sleep patterns in youths has been tested using cross-sectional data, and prospective evidence is needed. The aim of this study was to investigate the cross-sectional and prospective associations between behavioral variables and sleep quality and duration. A secondary analysis was conducted using data that were collected in March and December 2006 from a random sample of high school students (aged 14-24 years) from Recife and Florianopolis, Brazil, for the "Saúde na Boa" intervention. Data on the perception of sleep quality and duration and lifestyle variables were obtained through self-reported questionnaires. Data were analyzed using crude and adjusted binary logistic regressions. The percentages of students reporting poor sleep quality and insufficient sleep duration were 45.7% and 76.7%, respectively, considering the cross-sectional data, and 45.8% and 77.5%, respectively, considering the longitudinal data. There was a cross-sectional association between lower physical activity (OR = 0.74, 95% CI: 0.55, 0.99) and higher snack consumption (OR = 1.67, 95% CI: 1.18, 2.36) and negative sleep quality. Excessive TV watching (OR = 0.48, 95% CI: 0.30, 0.75) and higher levels of soft drink consumption (OR = 1.84, 95% CI: 1.19, 2.84) were associated with insufficient sleep duration. However, no behavioral variables were associated with sleep quality and duration in the prospective analysis. The prevalence of self-reported poor sleep quality and duration were similar in the cross-sectional and longitudinal analyses. Some behaviors were associated with sleep patterns in the cross-sectional analyses, but these findings were not confirmed in the prospective analyses.

A associação entre comportamentos de saúde e sono tem sido testada em jovens com dados transversais, mas evidências prospectivas são necessárias. O objetivo do estudo foi verificar associações transversais e prospectivas entre variáveis comportamentais e percepções de qualidade e duração de sono. Análise secundária transversal e longitudinal dos dados da pesquisa "Saúde na Boa", desenvolvido de março a dezembro de 2006, com amostra aleatória de estudantes de ensino médio (14-24 anos) de 20 escolas públicas de Recife e Florianópolis. A percepção da qualidade e da duração do sono e as variáveis do estilo de vida foram obtidas por autorrelato. Utilizaram-se regressões logísticas binárias brutas e ajustadas. Nos dados transversais e longitudinais, 45,7% e 45,8% dos jovens relataram má qualidade e 76,7% e 77,5% reportaram duração insuficiente do sono, respectivamente. Na análise transversal, a menor prática de atividade física (OR = 0,74; IC 95%: 0,55; 0,99) e o maior consumo de salgados (OR = 1,67; IC 95%: 1,18; 2,36) estiveram associados à qualidade negativa do sono, enquanto o tempo excessivo de televisão (OR = 0,48; IC 95%: 0,30; 0,75) e de consumo de refrigerantes (OR = 1,84; IC 95%: 1,19; 2,84) associaram-se à duração insuficiente do sono. Na análise prospectiva, nenhum dos comportamentos estudados se manteve associado à qualidade e duração do sono. As prevalências de percepção de qualidade e duração do sono se mantiveram estáveis nos dois momentos analisados. Alguns comportamentos se associaram às percepções de sono em análises transversais, mas estes achados não se confirmaram em análises prospectivas.