Personality traits and cancer survival: a Danish cohort study

N Nakaya, P E Hansen, I R Schapiro, L F Eplov, K Saito-Nakaya, Y Uchitomi, C Johansen

Abstract

We conducted a population-based prospective cohort study in Denmark to investigate associations between the personality traits and cancer survival. Between 1976 and 1977, 1020 residents of the Copenhagen County completed a questionnaire eliciting information on personality traits and various health habits. The personality traits extraversion and neuroticism were measured using the short form of the Eysenck Personality Inventory. Follow-up in the Danish Cancer Registry for 1976-2002 revealed 189 incidents of primary cancer and follow-up for death from the date of the cancer diagnosis until 2005 revealed 82 deaths from all-cause in this group. A Cox proportional-hazards model was used to estimate the hazard ratios (HRs) of death from all-cause according to extraversion and neuroticism adjusting for potential confounding factors. A significant association was found between neuroticism and risk of death (HR, 2.3 (95% CI=1.1-4.7); Linear trend P=0.04) but not between extraversion and risk of death (HR, 0.9 (0.4-1.7); Linear trend P=0.34). Similar results were found when using cancer-related death. Stratification by gender revealed a strong positive association between neuroticism and the risk of death among women (Linear trend P=0.03). This study showed that neuroticism is negatively [corrected] associated with cancer survival. Further research on neuroticism and cancer survival is needed.

OriginalsprogEngelsk
TidsskriftBritish Journal of Cancer
Vol/bind95
Udgave nummer2
Sider (fra-til)146-52
Antal sider7
ISSN0007-0920
DOI
StatusUdgivet - 17 jul. 2006
Udgivet eksterntJa

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