Relação entre o consumo de macronutrientes e a menarca em adolescentes

Relationship between consumption of macronutrients and the menarche in adolescents

Resumos

OBJETIVO: Identificar a relação da ingestão de macronutrientes e a idade da menarca em jovens de Curitiba. METODOLOGIA: Foram avaliadas 400 meninas divididas em dois grupos de acordo com a ingesta de gordura saturada da alimentação. Mensurou-se a estatura e o peso corporal, calculou-se o IMC. A idade da menarca foi obtida por autorrelato. Para avaliar o consumo alimentar das jovens participantes, o questionário de frequência de consumo alimentar (QFCA) foi aplicado. Para análise dos dados foi utilizada a estatística descritiva, o teste t de student e regressão linear stepwise, com nível de significância de 0,05. RESULTADOS: Diferenças significativas não foram observadas para as variáveis de composição corporal, apenas para a idade da menarca sendo menor no grupo de meninas que ingeriam menos de 10% de ácidos graxos saturados (G2). Foi observada uma maior ingestão pelo grupo das meninas que ingerem mais de 10% de ácidos graxos saturados (G1) nas variáveis calorias consumidas, proteínas, gordura total, colesterol e AGSA. Na regressão linear para a idade da menarca, observou-se o consumo de ácido graxo saturado com valores r=0,232 e r²=0,05. CONCLUSÃO: Dos macronutrientes avaliados, os ácidos graxos saturados apresentaram correlação com a idade da menarca.

menarca; nutrição do adolescente; ácidos graxos

OBJECTIVE: Identify the relationship between macronutrient intake and age at menarche in young girls of Curitiba-PR. METHODOLOGY: A total of 400 girls divided into two groups according to the intake of saturated fat diet. Was measured height and weight, and after, calculated BMI. The age of menarche was obtained by self-report. To assess the nutritional intake of young participants, the questionnaire frequency of food consumption (FFQ) was applied. For data analysis we used descriptive statistics, Student's t test and stepwise linear regression with a significance level of 0.05. RESULTS: Significant differences were observed for body composition variables, only age at menarche was lower in the group of girls who consumed less than 10% of saturated fatty acids (G2). There was a higher intake of protein, total fat, cholesterol and AGSA by the group of girls who eat more than 10% of saturated fatty acids (G1). By linear regression analysis it was found that consumption of saturated fatty acids may influence age of menarche and r=0.232 and r²=0.05. CONCLUSION: Of the nutrients studied, the saturated fatty acids presented correlated with age at menarche.

menarche; adolescent nutrition; fatty acids; metabolic syndrome

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Datas de Publicação

• Publicação nesta coleção
  08 Ago 2013
• Data do Fascículo
  Jun 2013

Histórico

• Recebido
  22 Jan 2013
• Aceito
  15 Maio 2013