Pinho Lucinéia de, Silveira Marise Fagundes, Botelho Ana Cristina de Carvalho, Caldeira Antônio Prates
Departament of Physiopathology, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, MG, Brazil.
Health Sciences, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, MG, Brazil.
J Pediatr (Rio J). 2014 May-Jun;90(3):267-72. doi: 10.1016/j.jped.2013.04.006. Epub 2014 Feb 15.
to identify the dietary patterns of adolescents attending public municipal schools in Northern Minas Gerais, Brazil, and to test the association between these patterns and socioeconomic variables and nutritional status of the adolescents.
this was an analytical, cross-sectional study with randomized sample of 474 adolescents of both genders, between 11 and 17 years of age, attending municipal public schools in the urban area of Montes Claros, MG, Brazil. The parents provided demographic and economic data. The nutritional status (body mass index - BMI) of the adolescents was determined at school, and their dietary habits were assessed though the administration of the Food Frequency Questionnaire for Adolescents (FFQA). Based on 26 categories extracted from FFQA, dietary patterns were determined using principal component analysis (PCA) and associated to anthropometric and socioeconomic factors using multiple regression analysis.
the three dietary patterns identified, "junk food," "healthy," and "traditional", explained 23.26%, 6.90%, and 5.24% of data variability, respectively. Adolescents with per capita family income exceeding half a minimum wage were more likely to consume the "junk food" pattern (OR=1.66; 95% CI=1.07-2.56), and overweight adolescents had lower chances of eating the "healthy" food pattern (OR=0.56, 95% CI=0.35-0.91).
deviations from the "healthy" patterns were not associated to low income, but rather to bad eating habits in the studied population. Overweight adolescents did not adhere to the "healthy" dietary pattern, emphasizing the need for nutritional education among them.
确定巴西米纳斯吉拉斯州北部公立市立学校青少年的饮食模式，并检验这些模式与青少年社会经济变量和营养状况之间的关联。
这是一项分析性横断面研究，对巴西米纳斯吉拉斯州蒙特斯克拉罗斯市区市立公立学校的474名11至17岁的青少年进行随机抽样，男女不限。家长提供人口统计学和经济数据。在学校测定青少年的营养状况（体重指数 - BMI），并通过青少年食物频率问卷（FFQA）评估他们的饮食习惯。基于从FFQA中提取的26个类别，使用主成分分析（PCA）确定饮食模式，并使用多元回归分析将其与人体测量和社会经济因素相关联。
确定的三种饮食模式“垃圾食品”“健康食品”和“传统食品”分别解释了数据变异性的23.26%、6.90%和5.24%。家庭人均收入超过半个最低工资的青少年更有可能采用“垃圾食品”模式（OR = 1.66；95% CI = 1.07 - 2.56），超重青少年选择“健康”食品模式的可能性较低（OR = 0.56，95% CI = 0.35 - 0.91）。
与“健康”模式的偏差与低收入无关，而是与研究人群的不良饮食习惯有关。超重青少年没有坚持“健康”饮食模式，这凸显了对他们进行营养教育的必要性。
