ArticlePloS one2025
Associations between the Global Diet Quality Score and risk of type 2 diabetes: Tehran lipid and glucose study.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Association of diet quality and fiber intake with carotid intima-media thickness in a young adult population of the Tehran lipid and Glucose study.Nutrition & metabolism · 2026Article
- Food-based healthy diet metrics, type 2 diabetes and insulin resistance in Brazilian Longitudinal Study of Adults Health (ELSA-Brasil): a prospective study of over 12 000 Brazilians.The British journal of nutrition · 2026Article
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5 authors.
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Abstract
backgroundPrevious studies reported that focusing on healthy lifestyle, especially high diet quality is necessary for preventing type 2 diabetes (T2D). This study investigated the association between the innovative index, the Global Diet Quality Score (GDQS), and the risk of Type 2 Diabetes incidence.
methodsIn this secondary analysis, we included elective adult participants (n = 5948) from the third and fourth survey of the Tehran Lipid and Glucose Study. Participants checked out until the sixth phase with an average follow-up of 6.65 years. Expert nutritionists collected dietary data using a valid and reliable semi-quantitative food frequency questionnaire. The GDQS were calculated, including healthy and unhealthy food group scores. Biochemical and anthropometric characteristics were assessed during the first and follow-up surveys. Multivariable Cox proportional hazards regression models were used to estimate the progression of T2D in association with the GDQS.
resultsThis study was implemented on 2,688 men and 3,260 women, respectively with the mean (SD) age of 41.5(14.1) and 39.3(13.02) years. A total of 524 subjects were found to have had T2D incidence. The healthy component of GDQS was conversely associated with T2D incidence [HR: 1, 0.91 (0.84-0.98), 0.91 (0.84-0.98), 0.84 (0.77-0.92) P trend = <0.001] in an adjusted model. The unhealthy component of GDQS was conversely associated with T2D incidence in an adjusted model [HR: 1, 0.86 (0.80-0.92), 0.93 (0.86-1.01), 0.89 (0.81-0.98) P trend = 0.009].
conclusionThe results of this study suggested that higher adherence to the healthy component of GDQS and lower intake of the unhealthy component decreased the risk of T2D incidence.
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