Abstract Title:

Anxiety and depression symptoms in a general population and future risk of bloodstream infection. The HUNT Study.

Abstract Source:

Psychosom Med. 2018 Jun 19. Epub 2018 Jun 19. PMID: 29923889

Abstract Author(s):

Åsa Askim, Lise Tuset Gustad, Julie Paulsen, Solveig Klæbo Reitan, Arne Mehl, Randi Marie Mohus, Andrew Dewan, Jan Kristian Damås, Erik Solligård, Bjørn Olav Åsvold

Article Affiliation:

Åsa Askim


OBJECTIVE: We examined whether anxiety and depression symptoms constitute increased risk of bloodstream infection (BSI), as a proxy for sepsis.

METHODS: A general population with self-reported anxiety and depression symptoms was followed prospectively for hospital-verified BSI. Using multivariable Cox regression analysis, we estimated hazard ratios (HR) with 95% confidence intervals (CI) of BSI and BSI mortality, with and without statistical adjustment for comorbidities, BMI and lifestyle factors that may confound or mediate the associations.

RESULTS: During 14.8 years median follow-up of 59,301 individuals, 1578 (2.7%) experienced BSI, and 328 (0.55%) participants died within 30 days after a BSI. Severe depression symptoms were associated with a 38% increased risk of BSI, adjusted for age, sex and education (HR 1.38, 95% CI, 1.10-1.73). The hazard ratio was attenuated to 1.23 (0.96-1.59) after adjustment for comorbidities, and to 1.15 (0.86-1.53) after additional adjustment for BMI and lifestyle factors. For severe anxiety symptoms, the corresponding HRs were 1.48 (1.20-1.83), 1.35 (1.07-1.70), and 1.28 (0.99-1.64). Moderate symptoms of depression and anxiety were not associated with increased BSI risk. The analysis of BSI mortality yielded imprecise results, but suggested an increased risk of BSI mortality in participants with moderate depression symptoms.

CONCLUSION: Severe depression and anxiety symptoms were associated with a moderately increased risk of BSI. The association may, at least in part, be confounded or mediated by comorbidities, BMI and lifestyle. Future research should investigate if interventions targeting improved BMI and lifestyle may reduce the risk of BSI and sepsis in people with depression and anxiety symptoms.

Study Type : Human Study

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Sayer Ji
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