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. 2016 Feb;50 Suppl 1(Suppl 1):4s.
doi: 10.1590/S01518-8787.2016050006683. Epub 2016 Feb 23.

ERICA: leisure-time physical inactivity in Brazilian adolescents

[Article in English, Portuguese]
Felipe Vogt Cureau  1 , Thiago Luiz Nogueira da Silva  2 , Katia Vergetti Bloch  2 , Elizabeth Fujimori  3 , Dilson Rodrigues Belfort  4 , Kênia Mara Baiocchi de Carvalho  5 , Elisa Brosina de Leon  6 , Mauricio Teixeira Leite de Vasconcellos  7 , Ulf Ekelund  8 , Beatriz D Schaan  1
Affiliations

ERICA: leisure-time physical inactivity in Brazilian adolescents

[Article in English, Portuguese]
Felipe Vogt Cureau et al. Rev Saude Publica. 2016 Feb.

Abstract
in English, Portuguese

OBJECTIVE To evaluate the prevalence of leisure-time physical inactivity in Brazilian adolescents and their association with geographical and sociodemographic variables. METHODS The sample was composed by 74,589 adolescents participating in the Study of Cardiovascular Risks in Adolescents (ERICA). This cross-sectional study of school basis with national scope involved adolescents aged from 12 to 17 years in Brazilian cities with more than 100 thousand inhabitants. The prevalence of leisure-time physical inactivity was categorized according to the volume of weekly practice (< 300; 0 min). The prevalences were estimated for the total sample and by sex. Poisson regression models were used to assess associated factors. RESULTS The prevalence of leisure-time physical inactivity was 54.3% (95%CI 53.4-55.2), and higher for the female sex (70.7%, 95%CI 69.5-71.9) compared to the male (38.0%, 95%CI 36.7-39.4). More than a quarter of adolescents (26.5%, 95%CI 25.8-27.3) reported not practicing physical activity in the leisure time, a condition more prevalent for girls (39.8%, 95%CI 38.8-40.9) than boys (13.4%, 95%CI 12.4-14.4). For girls, the variables that were associated with physical inactivity were: reside in the Northeast (RP = 1.13, 95%CI 1.08-1.19), Southeast (RP = 1.16, 95%CI 1.11-1.22) and South (RP = 1.12, 95%CI 1.06-1.18); have 16-17 years (RP = 1.06, 95%CI 1.12-1.15); and belong to the lower economic class (RP = 1.33, 95%CI 1.20-1.48). The same factors, except reside in the Southeast and South, were also associated with not practicing physical activity in the leisure time for the same group. In males, as well as the region, being older (p < 0.001) and declaring to be indigenous (RP = 0.37, 95%CI 0.19-0.73) were also associated with not practicing physical activities in the leisure time. CONCLUSIONS The prevalence of leisure-time physical inactivity in Brazilian adolescents is high. It presents regional variations and is associated with age and low socioeconomic status. Special attention should be given to girls and to those who do not engage in any physical activity during the leisure time, so that they can adopt a more active lifestyle.

OBJETIVO: Avaliar a prevalência de inatividade física no lazer em adolescentes brasileiros e sua associação com variáveis geográficas e sociodemográficas.

MÉTODOS: A amostra foi composta por 74.589 adolescentes participantes do Estudo de Riscos Cardiovasculares em Adolescentes (ERICA). Esse estudo transversal de base escolar com abrangência nacional envolveu adolescentes brasileiros de 12 a 17 anos de municípios com mais de 100 mil habitantes. A prevalência de inatividade física no lazer foi categorizada de acordo com o volume de prática semanal (< 300; zero min). As prevalências foram estimadas para o total da amostra analisada e por sexo. Modelos de regressão de Poisson foram utilizados para avaliar fatores associados.

RESULTADOS: A prevalência de inatividade física no lazer foi de 54,3% (IC95% 53,4-55,2), superior no sexo feminino (70,7%, IC95% 69,5-71,9) comparado ao masculino (38,0%, IC95% 36,7-39,4). Mais de um quarto dos adolescentes (26,5%, IC95% 25,8-27,3) referiram não praticar atividade física no lazer, condição mais prevalente no sexo feminino (39,8%, IC95% 38,8-40,9) que no masculino (13,4%, IC95% 12,4-14,4). Para o sexo feminino, as variáveis que se associaram à inatividade física foram: residir nas regiões Nordeste (RP = 1,13, IC95% 1,08-1,19), Sudeste (RP = 1,16, IC95% 1,11-1,22) e Sul (RP = 1,12, IC95% 1,06-1,18); ter 16-17 anos (RP = 1,12, IC95% 1,06-1,15); e pertencer à classe econômica mais baixa (RP = 1,33, IC95% 1,20-1,48). Os mesmos fatores, exceto residir no Sudeste e Sul, também associaram-se com não praticar atividade física no lazer no mesmo grupo. No sexo masculino, além da região, ser mais velho (p < 0,001) e declarar-se indígena (RP = 0,37, IC95% 0,19-0,73) associaram-se à prevalência de não praticar atividade física no lazer.

CONCLUSÕES: A prevalência de inatividade física no lazer em adolescentes brasileiros é elevada, apresenta variações regionais e está associada à idade e ao baixo nível socioeconômico. Especial atenção deve ser dada às meninas e aos que não praticam nenhuma atividade física no lazer, a fim de que estes possam adotar estilo de vida mais ativo.

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Conflict of interest statement

Conflict of interest: The authors declare no conflict of interest.

Figures

Figure 1
Figure 1. Prevalence of leisure-time physical inactivity (< 300 min/week) in adolescents from the 27 Brazilian capitals (green bars) and set of municipalities with more than 100 thousand inhabitants, not capitals of regions, according to sex. ERICA, 2013-2014.
Figure 2
Figure 2. Prevalence (%) of no physical activity during the leisure time (0 min/week) in adolescents of the 27 Brazilian capitals (green bars) and set of municipalities with more than 100,000 inhabitants, not capitals of regions, according to sex. ERICA, 2013-2014.
Figura 1
Figura 1. Prevalência (%) de inatividade física (< 300 min/semana) em adolescentes das 27 capitais brasileiras (barras verdes) e conjunto dos municípios com mais de 100 mil habitantes, não capitais das regiões, por sexo. ERICA, 2013-2014.
Figura 2
Figura 2. Prevalência de nenhuma atividade física (zero min/semana) em adolescentes das 27 capitais brasileiras (barras verdes) e conjunto dos municípios com mais de 100 mil habitantes, não capitais das regiões, por sexo. ERICA, 2013-2014.
See this image and copyright information in PMC

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