If the trends verified from 2006 to 2012 are maintained, in ten years, around two-thirds of the adults in Brazilian state capitals will be overweight, and a quarter will be obese. This perspective requests urgent response from government and intersectoral actions to combat the obesogenic environment.
<p class="MsoBodyText" style="margin-top: 6.0pt; margin-right: 0cm; margin-bottom: .0001pt; margin-left: 0cm; text-align: justify; line-height: 200%;">Descrever as tendências temporais dos indicadores de atividade física da população adulta das capitais brasileiras entre 2006 e 2013. Foram analisados os dados do Sistema de Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico (VIGITEL), referentes aos anos de 2006 a 2013 em uma amostra anual de cerca de 54.000 adultos nas capitais brasileiras. Foram analisadas tendências dos indicadores de atividade física no tempo livre e no deslocamento para o trabalho/escola, além de inatividade física nos quatro domínios e tempo assistindo televisão. Foi utilizada modelagem de regressão linear simples para avaliar a tendência, considerando significativo um coeficiente de regressão diferente de zero (p<0,05). Houve aumento nos percentuais de ativos no tempo livre, redução no percentual de ativos no deslocamento para o trabalho/escola e estabilidade na tendência dos percentuais de indivíduos que assistem à TV por no mínimo três horas diárias e de indivíduos fisicamente inativos. Compreender o cenário nacional de mudanças nos indicadores de atividade física torna-se desejável para o planejamento de ações que fomentem a promoção de atividade física e assim contribuam com a redução de um dos principais fatores de risco para doenças crônicas. </p>
Objective: To analyze trend estimates on the prevalence of risk and protective behaviors for chronic noncommunicable diseases in adolescents, according to data from the National School Health Survey in 2009, 2012 and 2015. Methods: Data from the three cross-sectional studies in Brazilian capitals and the Federal District were used. In total, 173,310 adolescents enrolled in the ninth grade of elementary school were interviewed, with average age of 14 years. The prevalence of indicators of protective (consumption of beans and fruit; physical education classes at school; practice of physical activity for 60 minutes or more) and risk factors (consumption of candies and soft drinks; use of cigarettes and alcohol in the last 30 days; drug testing) were estimated through linear regression. Results: There was a significant increase (p < 0.05) in the prevalence of fruit consumption and in the reduction of bean, soft drinks and candies consumption, as well as the consumption of alcoholic beverages and cigarettes. However, an increase in the prevalence of illicit drug experimentation was observed. Discussion: Despite the tendency to reduce risk factors, prevalences are high when compared with other sociocultural realities. Conclusion: The school is an important area of access to the adolescent public, and it is necessary to encourage school health promotion programs to reduce health risk behaviors, as well as to stimulate protective ones.
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