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Cross-sectional results have suggested a linear association between the number of dietary exclusions and depressive symptoms. This longitudinal study aimed to examine the direction of this association. Methods : In the population-based Constances cohort, depressive symptoms were defined by a score ≥19 on the Centre of Epidemiologic Studies-Depression (CES-D) scale. Diet was measured with a 24-item qualitative food frequency questionnaire (FFQ). Both variables were available at inclusion (from 2012 to 2014) and on follow-up (2015 for the CES-D and 2017 for diet). Food exclusion was categorized into five different groups: No exclusion, exclusion of one, two, three, or ≥4 food groups according to the self-reported number of food groups rarely or never consumed. Logistic regressions were conducted, either taking depressive symptoms as the outcome on follow-up with dietary exclusions at baseline as predictor or with the opposite, adjusting for age, sex, education, income, alcohol intake, smoking, physical activity, and anemia. The path analysis included outcomes and covariates in one model. Results : The median follow-up was three years. A total of 29,337 participants (53.4% women, 48.15 ± 12.9 y.o.) had complete CES-D data and 25,356 (53.56% women, 49.05 ± 12.8 y.o.) FFQ data. Dietary exclusion at inclusion predicted depressive symptoms at follow-up (odds ratio [95% confidence interval]: 2.35 [1.62-3.40] for ≥4 excluded items compared to no exclusions). Depressive symptoms at inclusion predicted dietary exclusions at follow-up (3.45 [1.93-6.16] for ≥4 excluded items). In the path analysis, the standardized estimate of the association between dietary exclusions at inclusion and depressive symptoms at follow-up was by far higher than the opposite (0.1863 and 0.00189, respectively, both p < 0.05). Conclusions : The association of dietary exclusion with subsequent depression is stronger than the opposite association.

Background: Psychological factors such as hostility and depression have been associated with cardiovascular disease. However, their role in predicting incident cardiac events independently one of another is not clear., Methods: Among 10,304 GAZEL middle-aged workers free of cardiovascular diseases in 1993, 581 incident cardiac events were validated from 1994-2014. Hostile traits (cognitive hostility, behavioral hostility, irritability and negativism) were assessed with the Buss and Durkee Hostility Inventory at baseline. Depressive symptoms were assessed at baseline and every three years with the Center for Epidemiological Studies Depression scale. We used Cox proportional hazards models to calculate hazard ratios (HR) of hostile traits for incident cardiac events adjusting for baseline self-reported socio-demographics and family history of coronary heart diseases (model 1), then additionally for time-dependent depressive symptoms (either as a binary or continuous variable) (model 2) and for yearly self-reported modifiable cardiovascular risk factors (physical activity, smoking, body mass index, diabetes, dyslipidemia and hypertension) (model 3)., Results: In Model 1, the only hostile trait associated with incident cardiac events was irritability (HR for one interquartile range: 1.16, 95% confidence interval: 1.02-1.32). This association was no longer statistically significant when further adjusting for depressive symptoms. Depressive symptoms, in turn, remained significant predictors of cardiac events with HRs ranging from 1.40-1.49 (binary)., Limitations: Hostility traits were measured only once., Conclusions: Depressive symptoms might explain the association between irritability and cardiac events and should therefore be prioritized in interventions aiming to prevent cardiovascular disease. Further research is needed to identify the mechanisms underlying this association., Competing Interests: Declaration of Competing Interest Cédric Lemogne declares grants, personal fees and non-financial support from Lundbeck, personal fees from Boehringer Ingelheim, personal fees from Janssen, non-financial support from Otsuka Pharmaceutical, outside the submitted work. Frédéric Limosin declares personal fees and non-financial support from Lundbeck, and non-financial support from Janssen-Cilag and Otsuka Pharmaceutical, outside the submitted work. For the remaining authors none were declared., (Copyright © 2020 Elsevier B.V. All rights reserved.)

Background: Depression is an important risk factor of cardiovascular disease (CVD), a leading cause of death worldwide. One of the reasons underlying this association may be that depression modifies the association between treatable cardiovascular risk factors and cardiac events (angina pectoris or myocardial infarction). We tested this hypothesis in a cohort study of middle-aged men and women in France followed for 20 years., Methods: 10,541 Gazel working men and women free of cardiovascular disease at baseline (1993) were followed-up over 20 years for validated incident cardiac events. Depression was measured at baseline and every three years with the Center for Epidemiological Studies-Depression (CES-D). We used time-dependent Cox regression models to calculate hazard ratios (HR) of cardiac events associated with depression, main treatable cardiovascular risk factors (hypertension, diabetes, and dyslipidemia), and their interactions, adjusting for demographic, lifestyle and clinical characteristics., Results: Over 20 years of follow-up, 592 incident cases of cardiac events were identified. Depression was significantly associated with incident cardiac events (HR 1.55, P = 0.002), as was hypertension (HR 1.49, P = 0.02), diabetes (HR 2.54, P = 0.001), and dyslipidemia (HR 1.55, P = 0.003). No statistically significant interactions were observed between depression and hypertension, diabetes or dyslipidemia in relation to incident cardiac events (all P ≥ 0.16)., Conclusions: The association between depression and cardiac events is unlikely to be explained by a heightened impact of hypertension, diabetes or dyslipidemia., (Copyright © 2018 Elsevier B.V. All rights reserved.)