Associations of Dietary Patterns and Dietary Index with Iron Deficiency Across Different Stages Among Children Aged 9-17 Years in Guangzhou, China: A Cross-Sectional Study.

Nutrients · 2026 · PMC13210202 · PMID 42197079

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marginally significantno p-value reported

The cereal–tuber–legume pattern showed a marginally significant overall association ( p -overall = 0.089) but a significant nonlinear relationship ( p -nonlinear = 0.046), with IDS risk increasing gradually and peaking within a score range of approximately 1–2.5 ( Figure 4 b).

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