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Effects of social and environmental determinants on overweight and obesity among Brazilian schoolchildren from a developing region / Efectos de los determinantes sociales y ambientales sobre la obesidad y el sobrepeso en escolares de una región en desarrollo del Brasil
Guedes, Dartagnan Pinto; Rocha, Giselle Divino; Silva, António José Rocha Martins; Carvalhal, Isabel Mourão; Coelho, Eduarda Maria.
  • Guedes, Dartagnan Pinto; State University of Londrina. Department of Physical Education and Sport. BR
  • Rocha, Giselle Divino; State University of Londrina. Department of Physical Education and Sport. BR
  • Silva, António José Rocha Martins; University of Trás-os-Montes and Alto Douro. Research Center in Sport, Health and Human Development. Vila Real. PT
  • Carvalhal, Isabel Mourão; University of Trás-os-Montes and Alto Douro. Research Center in Sport, Health and Human Development. Vila Real. PT
  • Coelho, Eduarda Maria; University of Trás-os-Montes and Alto Douro. Research Center in Sport, Health and Human Development. Vila Real. PT
Rev. panam. salud pública ; 30(4): 295-302, oct. 2011. tab
Article in English | LILACS | ID: lil-606842
ABSTRACT

OBJECTIVE:

To identify the social and environmental determinants most strongly associated with overweight and obesity in Brazilian schoolchildren from a developing region.

METHODS:

Data were collected from a community-based survey of schoolchildren from the Valley of Jequitinhonha, Minas Gerais, Brazil. The sample was composed of 5 100 school children aged 6-18 years. Overweight and obesity were defined by body mass index based on the current method recommended by the World Health Organization in 2007. Social and environmental determinants were collected by using a structured questionnaire.

RESULTS:

The prevalence of overweight and obesity was 11.1 percent and 2.7 percent in girls and 8.2 percent and 1.5 percent in boys, respectively. The chance of overweight was higher in schoolchildren who engaged in remunerated work (odds ratio [OR] = 2.19, 95 percent confidence interval [CI] 1.30- 3.26), whose parents had higher education levels (OR = 1.52, 95 percent CI 1.12-2.07), who had two or fewer siblings (OR = 1.74, 95 percent CI 1.21-2.49), and who were in a high economic class (OR = 1.93, 95 percent CI 1.32-2.85). Schoolchildren who traveled by car to school (OR = 1.50, 95 percent CI 1.14-1.91), lived < 5 km from school (OR = 1.64, 95 percent CI 1.06-2.39), and consumed foods sold in the school cafeteria (OR = 1.56, 95 percent CI 1.19-2.16) presented high odds of being overweight.

CONCLUSIONS:

The background from a particular region of a country should be considered when implementing preventive measures regarding overweight and obesity, especially for very poor, developing regions like the Valley of Jequitinhonha. Measures taken should consider a multilevel intervention that includes the family, school, and physical environment.
RESUMEN

OBJETIVO:

Identificar los determinantes sociales y ambientales más firmemente asociados con el sobrepeso y la obesidad en niños que asisten a la escuela en una región en desarrollo del Brasil.

MÉTODOS:

Se recopilaron los datos de una encuesta comunitaria llevada a cabo en niños inscritos en escuelas del valle de Jequitinhonha, Minas Gerais (Brasil). La muestra estuvo integrada por 5 100 escolares de 6 a 18 años de edad. El sobrepeso y la obesidad se definieron según el índice de masa corporal, con base en el método actualmente recomendado por la Organización Mundial de la Salud (2007). Los determinantes sociales y ambientales se recopilaron mediante un cuestionario estructurado.

RESULTADOS:

La prevalencia del sobrepeso y de la obesidad fue de 11,1 por ciento y 2,7 por ciento en niñas y de 8,2 por ciento y 1,5 por ciento en niños, respectivamente. Las probabilidades de tener sobrepeso fueron mayores en los escolares que desempeñaban un trabajo remunerado (razón de probabilidades [RP] = 2,19; intervalo de confianza [IC] de 95 por ciento, 1,30-3,26); en aquellos cuyos padres tenían niveles superiores de educación (RP = 1,52; IC de 95 por ciento, 1,12-2,07); en quienes tenían dos o menos hermanos (RP = 1,74; IC de 95 por ciento, 1,21-2,49); y en los de clase económica alta (RP = 1,93; IC de 95 por ciento, 1,32-2,85). Presentaron altas probabilidades de tener sobrepeso los niños que viajaban en automóvil a la escuela (RP = 1,50; IC de 95 por ciento, 1,14-1,91), los que vivían a < 5 km de la escuela (RP = 1,64; IC de 95 por ciento, 1,06-2,39) y los que consumían los alimentos que se venden en la cafetería de la escuela (RP = 1,56; IC de 95 por ciento, 1,19-2,16).

CONCLUSIONES:

Deben tenerse en cuenta las características de cada región particular de un país cuando se ejecutan medidas preventivas del sobrepeso y la obesidad, especialmente en las regiones muy pobres y en desarrollo, como el valle de Jequitinhonha en Brasil. Las medidas que se adopten deben considerar una intervención en varios niveles que incluya a la familia, la escuela y el entorno físico.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Schools / Social Environment / Students / Epidemiologic Factors / Overweight / Obesity Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Qualitative research / Risk factors Limits: Adolescent / Child / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. panam. salud pública Journal subject: Public Health Year: 2011 Type: Article Affiliation country: Brazil / Portugal Institution/Affiliation country: State University of Londrina/BR / University of Trás-os-Montes and Alto Douro/PT

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Full text: Available Index: LILACS (Americas) Main subject: Schools / Social Environment / Students / Epidemiologic Factors / Overweight / Obesity Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Qualitative research / Risk factors Limits: Adolescent / Child / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Rev. panam. salud pública Journal subject: Public Health Year: 2011 Type: Article Affiliation country: Brazil / Portugal Institution/Affiliation country: State University of Londrina/BR / University of Trás-os-Montes and Alto Douro/PT