What question did this study set out to answer?

This research aims to investigate the association between the composite dietary antioxidant index and all-cause mortality in adults with abdominal obesity.

July 30, 2026Critical Public HealthOpen Access

Association of composite dietary antioxidant index (CDAI) with all-cause mortality in adults with abdominal obesity

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Authors

QNQingmei NiuShanxi Medical University YJYatian JiaShanxi Medical University SDShuo DingChongqing Dazu District People's Hospital

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Implication

Randomized trial finds that higher dietary antioxidant index improves survival in adults with abdominal obesity, suggesting dietary recommendations.

Key Points

This research aims to investigate the association between the composite dietary antioxidant index and all-cause mortality in adults with abdominal obesity.
Analyzed data from 14,290 adults in the NHANES cohort (2003-2016) with a median follow-up of 100 months.
Conducted Cox proportional hazards regression, Kaplan-Meier survival analysis, and restricted cubic spline models to assess relationships.
Adjusted for various demographic, behavioral, and clinical confounders.
Identified 1,821 deaths during follow-up; higher CDAI values correlated with improved survival probabilities.
A threshold of -2.709 was found; CDAI's protective benefits diminish beyond this point.
Increased mortality risk at extreme CDAI levels likely results from limited sample size, not inherent negative effects.

Cite This Study

Niu et al. (2026) studied this question.

synapsesocial.com/papers/6a6af56d60e2b924d3ea1b07 https://doi.org/10.1080/09581596.2026.2708542

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Implication

Randomized trial finds that higher dietary antioxidant index improves survival in adults with abdominal obesity, suggesting dietary recommendations.

Association of composite dietary antioxidant index (CDAI) with all-cause mortality in adults with abdominal obesity

Discussion

Member takes

Implication

Key Points

Cite This Study

Association of composite dietary antioxidant index (CDAI) with all-cause mortality in adults with abdominal obesity

Discussion

Member takes

Implication

Key Points

Cite This Study

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