ArticleAsia Pacific journal of clinical nutrition2025
Associations of dietary and plasma lutein + zeaxanthin with depression in US adults: findings from NHANES.
Article in Asia Pacific journal of clinical nutrition, 2025. 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
BACKGROUND AND
objectivesEvidence regarding the relationship between dietary and plasma lutein + zeaxanthin (L + Z) levels and the risk of depression is scarce. This study aimed to investigate the associations of dietary consumption of L + Z and plasma L + Z level with risk of depression in adult of United States by using data from National Health and Nutrition Examination Survey (NHANES). METHODS AND STUDY
designA total of 7,829 and 7,324 individuals aged ≥ 20 years were included from the NHANES to analyze the relationship between dietary L + Z and depression, as well as plasma L+ Z levels with the risk of depression, separately. Multivariable logistic regression analyses were used. Subsequently, the dose-response relationships were conducted using restricted cubic splines.
resultsIn the multivariable model, the highest quartile of dietary L + Z intake was associated with a significantly lower risk of depression compared to the lowest quartile (OR = 0.68, 95%CI: 0.52, 0.89, p < 0.01). Similarly, the highest quartile of plasma L + Z levels was linked to a reduced risk of depression compared to the lowest quartile (OR = 0.58, 95%CI: 0.44, 0.76, p < 0.001).
conclusionsThis study suggests that an appropriate increase in dietary L + Z intake and higher plasma L + Z levels are associated with a lower risk of depression. These results should be confirmed by randomized controlled trial (RCTs) to explore the effects of supplementing L + Z on depression.
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