Joint effects of physical activity and diet quality on depressive symptoms and all-cause mortality in adults with diabetes: NHANES 2007-2018 - PubMed
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- Study examines joint effects of physical activity (PA) and diet quality (DQ) on depressive symptoms and all-cause mortality in adults with diabetes.
- Data from 3451 U.S. adults with diabetes in NHANES 2007-2018 were analyzed.
- Depressive symptoms were assessed using PHQ-9 (score ≥ 10), and mortality data were linked up to December 31, 2019.
- Higher PA and better DQ were associated with lower odds of depressive symptoms and lower hazards of all-cause mortality.
- Combined favorable PA and DQ profiles showed more favorable outcomes.
- PA had a nonlinear inverse association with depressive symptoms, with optimal benefits around 2000-3000 MET-min/week.
- HEI-2015 (DQ) did not show a nonlinear association with depressive symptoms.
- Findings emphasize the importance of integrated lifestyle behaviors for mental health and survival in adults with diabetes.