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Depressive symptoms, its sub-factors, and augmentation index: the modifying effects according to inflammatory markers

 Ye Jin Jeon  ;  So Mi Jemma Cho  ;  Yu Jin Lee  ;  Hyeon Chang Kim  ;  Sun Jae Jung 
 JOURNAL OF AFFECTIVE DISORDERS, Vol.272 : 380-387, 2020-07 
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Augmentation index ; Depressive symptoms ; Inflammation
Background This study aimed to investigate the association between depression and the augmentation index (AIx), and to further investigate whether there is a difference in this association according to the patients' inflammatory status. Methods This study included 458 men and 815 women (mean age: 49.35 years), a community-dwelling and middle-aged Korean population. The Korean version of the Beck Depression Inventory-II (BDI-II) was used to assess depressive symptoms. Arterial stiffness was evaluated via an AIx normalized to 75 beats/min. We confirmed two factors from BDI-II after conducting a factor analysis. Multiple regression models were used after adjusting for socio-demographic factors, lifestyle factors, systolic blood pressure, diabetes history, and body mass index. We further stratified the data according to inflammatory biomarkers with cutoffs of the 75th percentile. Results There was a significant positive association between the BDI-II score and arterial stiffness (ß= 0.09, p-value=0.037). In women, the somatic-affective factor showed a stronger positive association (ß= 0.20, p-value=0.018) with arterial stiffness than the cognitive factor (ß= 0.12, p-value=0.148). There was no significant association in men (ß= -0.01, p-value=0.943). In subgroup analyses, women showed significant positive associations between the somatic affective factor of depressive symptoms on and arterial stiffness according to both inflammatory markers (IL-6: ß= 0.17, p-value=0.039; hs-CRP: ß= 0.17, p-value=0.094) Limitations The design of the cross-sectional study limits causal interpretation. Conclusion Depression and its somatic-affective factor were positively associated with arterial stiffness in women. Inflammatory status may be involved in modifying the association between depressive symptoms, its sub-factors, and AIx.
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1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Jung, Sun Jae(정선재) ORCID logo https://orcid.org/0000-0002-5194-7339
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