ArticleBMC psychiatry2026
Associations of the Chinese healthy eating index and dietary diversity score with depressive and anxious symptoms among older adults.
Article in BMC psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDepression and anxiety significantly contribute to the mental health disease burden. Although healthy dietary patterns may mitigate mental distress, evidence regarding the associations of dietary quality and dietary diversity with mental health remains limited. This study aimed to investigate the independent and joint associations of the Chinese Healthy Eating Index (CHEI) and Dietary Diversity Score (DDS) with depression, anxiety, and their co-occurrence among Chinese older adults.
methodsWe utilized cross-sectional data from the 2018 Chinese Longitudinal Healthy Longevity Survey, which included a total of 9,455 participants aged 65 years and older. The CHEI and DDS were applied to evaluate dietary quality and dietary diversity, respectively. We employed logistic regression models to examine these associations.
resultsIn the fully adjusted model, higher CHEI was associated with lower odds of depression (OR [odds ratio]
conclusionsThe study revealed that higher CHEI and DDS scores were inversely associated with depressive symptoms, anxious symptoms, and their co-occurrence among Chinese older adults. Additional longitudinal research is required to confirm our findings. CLINICAL TRIAL NUMBER: Not applicable.
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