Associations Between Daily Variation in the Dietary Patterns of Working-age Adults and Their Intake of Food-groups and Nutrients

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  • 勤労者世代の食事パターンの日間の違いと食品群・栄養素等摂取量との関連
  • キンロウシャ セダイ ノ ショクジ パターン ノ ヒカン ノ チガイ ト ショクヒングン ・ エイヨウソ トウ セッシュリョウ ト ノ カンレン

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Abstract

Objective: We compared the variation in the dietary patterns of working-age adults with their intake of food groups and nutrients to examine the associations between dietary variation and an intake of separate nutrients.<br>Methods: We performed an analysis of data for 392 participants from the 2011 Saitama Prefecture Health and Nutrition Survey. Dietary patterns were extracted from 2-day dietary records for food group intake using factor analysis. Participants were divided into tertiles according to their score on the consumption of each dietary pattern on day 1 and 2 (6 groups per pattern) and based on their food groups and nutrients intake. Thirteen nutrients and food items, with intake within pre-specified, optimal ranges were evaluated using covariance analysis and multinomial logistic models, respectively.<br>Results: Factor analysis identified dietary patterns with 4 major food items: rice, seafood, noodles and bread, and meat and eggs. Participants in the highest tertile for the seafood-type dietary pattern on both days consumed significantly more sugar/sweeteners, beans, seaweed, seafood, potassium, and iron. They were also more likely to meet the optimal intake for protein (%energy) and saturated fatty acid (%energy) and achieved optimal intake for a large number of nutrients, compared to participants who did not score as high for the seafood-type dietary pattern.<br>Conclusion: Participants with high scores for the intake of the seafood-type dietary pattern achieved optimal intake for a large number of nutrients, despite the small variation in their dietary patterns between the 2 days.

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