2019
DOI: 10.1590/1980-549720190048
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Identificação de padrões alimentares: comparação das técnicas de análise de componentes principais e de principais eixos fatoriais

Abstract: RESUMO: Introdução: O padrão alimentar tem como base conceitual o fato de que os alimentos consumidos em conjunto são tão importantes quanto o consumo de alimentos ou nutrientes isoladamente. Objetivos: Identificar padrões alimentares em amostra de profissionais de enfermagem e explorar a diferença entre os padrões encontrados, utilizando para isso duas técnicas: componentes principais (CP) e principais eixos fatoriais (PAF). Método: O presente estudo foi baseado nos dados de 309 participantes de enferma… Show more

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Cited by 8 publications
(6 citation statements)
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“…As suggested in a previous analysis 20 , food groups with factor loading ≥ 0.20 were considered to significantly contribute to the pattern. Together, the four dietary patterns explained 34.3% of total variance -a value considered reasonable according to the literature 21 . The factor score for each dietary pattern was calculated by adding food groups intake weighted by their factor loadings.…”
Section: Identification Of Food Patternssupporting
confidence: 68%
“…As suggested in a previous analysis 20 , food groups with factor loading ≥ 0.20 were considered to significantly contribute to the pattern. Together, the four dietary patterns explained 34.3% of total variance -a value considered reasonable according to the literature 21 . The factor score for each dietary pattern was calculated by adding food groups intake weighted by their factor loadings.…”
Section: Identification Of Food Patternssupporting
confidence: 68%
“…país, mais especificamente nos estados do Rio Grande do Sul 24,25 , São Paulo [26][27][28] , Rio de Janeiro 29 , Espírito Santo 30 e Ceará 31 . Além disso, dados do estudo ELSA-Brasil 32 e do Inquérito Nacional de Alimentação (INA) 33 também foram incluídos.…”
Section: Discussionunclassified
“…37 This method was chosen because of its ability to estimate usual dietary intake by removing intraindividual variance at the population and individual levels and because it only requires at least two R24h in a random subsample of the people to produce the usual intake estimates. 36,38 The intake in grams for each food group was analysed, with 20.7% of the participants answering a second R24h (n = 257). The procedure was developed following the software guidelines, 39 and it was assumed that the participants were habitual consumers of all food groups because there is no data on the consumption frequency in PANA 2019.…”
Section: Characterisation Of the Dietary Patterns Of The Population O...mentioning
confidence: 99%