Inverse Association between Oxidative Balance Score and Incident Type 2 Diabetes Mellitus.

Area of Science:

• Nutritional Epidemiology
• Metabolic Disease Research
• Oxidative Stress Studies

Background:

• Type 2 diabetes mellitus (T2DM) is a significant global health concern.
• Lifestyle factors like diet and exercise are crucial for T2DM prevention.
• The oxidative balance score (OBS) integrates pro- and antioxidant exposures to assess overall oxidative status.

Purpose of the Study:

• To investigate the association between the oxidative balance score (OBS) and the incidence of type 2 diabetes mellitus (T2DM).
• To evaluate OBS as a potential biomarker for T2DM risk in a large prospective cohort.

Main Methods:

• Analysis of data from 7369 participants in the Korean Genome and Epidemiology Study (KoGES).
• Prospective cohort study design with a mean follow-up of 13.6 years.
• Sex-specific Cox proportional hazard regression models were used to calculate hazard ratios (HR) and 95% confidence intervals (CI) for T2DM incidence across OBS tertiles.

Main Results:

• During follow-up, 908 men and 880 women developed T2DM.
• In men, the fully-adjusted HR for T2DM was 0.83 (95% CI: 0.70-0.99) for the highest OBS tertile compared to the lowest.
• In women, the fully-adjusted HR for T2DM was 0.78 (95% CI: 0.65-0.94) for the highest OBS tertile compared to the lowest.

Conclusions:

• A higher oxidative balance score (OBS) is associated with a reduced risk of developing type 2 diabetes mellitus (T2DM).
• Promoting lifestyle modifications that enhance antioxidant properties may serve as an effective preventive strategy against T2DM.