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September 3, 2026BMC Endocrine DisordersOpen Access

Association between PCA-derived dietary pattern and metabolic control among adults with diabetes in Guangdong Province: a cross-sectional study

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Authors

XCXuanrong ChenHDHongrong DengZLZhigu Liu

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Overview

Cross-sectional study reveals improved blood pressure and glycemic control with prudent diet adherence in diabetic adults, highlighting the clinical value of tailored dietary patterns.

Key Points

  • To identify dominant dietary patterns among adults with diabetes mellitus and examine their associations with achieving metabolic control targets.
  • Secondary cross-sectional analysis of 1,465 adults with diabetes mellitus across four regions of Guangdong, China, from the 2018–2020 China National Diabetic Chronic Complications Study (ChiCTR1800014432).
  • Dietary intake and medical history were evaluated using structured questionnaires, with primary dietary patterns extracted via principal component analysis (PCA).
  • Multivariable logistic regression assessed associations between dietary pattern adherence tertiles and target attainment for glycated hemoglobin (HbA1c), blood pressure (BP), and LDL-C.
  • Intermediate adherence (T2) to a prudent dietary pattern was associated with higher odds of HbA1c target attainment compared to the lowest tertile (T1) (adjusted OR = 1.428, 95% CI 1.074–1.898; p = 0.014).
  • Highest adherence (T3) to the prudent dietary pattern was significantly associated with blood pressure target attainment compared to T1 (adjusted OR = 1.439, 95% CI 1.042–1.989; p = 0.027), showing the most consistent association across sensitivity analyses.
  • No statistically significant associations were identified between prudent dietary adherence and LDL-C target attainment or the simultaneous attainment of all three metabolic targets after multivariable adjustment.

Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/6a9934ea636c6408cfa7cb4fhttps://doi.org/10.1186/s12902-026-02501-w
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 11530-P: The Relationship between Dietary Patterns and Metabolic Control among Adult Diabetic Patients in Guangdong Province2026
  2. 265-PUB: Relationship between Dietary and Metabolic Control in Patients with DM in Guangdong Province2024
  3. 3The prevalence of comorbidities and the metabolic control status in patients with diabetes mellitus in Guangdong Province of China: a cross-sectional study2026 · 1 citations
  4. 4Trends in Glycemic and Cardiovascular Risks Control in Cantonese Adults in Primary Healthcare Settings: 2018 to 20222025
  5. 5Associations of nutrient intake, dietary behaviours, and patterns with metabolic profiles and obesity measures: findings from a cross-sectional study in a southern Chinese population2025 · 2 citations