Micronutrient intake and HbA1c in Saudi Arabian patients with type 2 diabetes: a cross-sectional analysis
Main Article Content
Keywords
diabetes type 2, HbA1c, macronutrients dietary intake, micronutrients dietary intake
Abstract
Diabetes is a major global health concern, with a high and increasing prevalence of type 2 diabetes mellitus (T2DM) in Saudi Arabia. Glycated hemoglobin (HbA1c) is a key marker for long-term glycemic control. Despite the crucial role of diet, research on micronutrient intake within traditional Saudi diets is limited. This study investigated the association between micronutrient intake and HbA1c in Saudi T2DM patients. This cross-sectional study involved 196 adult T2DM patients in Riyadh, Saudi Arabia. Dietary intake was assessed via 24-hour recalls, and HbA1c levels were biochemically measured. Participants were categorized into controlled (HbA1c < 8.0%) and uncontrolled (HbA1c ≥ 8.0%) groups. Group comparisons were conducted using t-tests and Chi-square tests. Logistic regression analysis was used to examine adjusted associations between nutrient intakes and elevated HbA1c, controlling for age and sex. Patients with uncontrolled HbA1c had significantly higher sodium intake and lower intakes of potassium, vitamin C, pantothenic acid, and selenium (all p ≤ 0.05). Adjusted logistic regression showed that higher vitamin C and selenium intakes were associated with lower odds of elevated HbA1c. Conversely, higher vitamin D and thiamine intakes were associated with increased odds. Pantothenic acid showed contradictory associations between mean differences and adjusted odds. This study identifies distinct dietary patterns linked to glycemic control. Uncontrolled HbA1c was associated with higher sodium and lower potassium, vitamin C, pantothenic acid, and selenium intakes. Adjusted analyses indicated that higher vitamin C and selenium intakes were linked to improved odds, while higher vitamin D and thiamine were linked to worse odds. The complex role of pantothenic acid warrants further investigation. These findings underscore the nuanced role of micronutrients in glycemic regulation, suggesting their potential for tailored dietary interventions in T2DM.
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