Key result
Negative affectivity was significantly associated with an increased risk of breast cancer (OR 4.45), whereas social inhibition was associated with a decreased risk (OR 0.40).
Why the study?
The study aimed to establish differences in Type D personality and Big Five personality traits between newly diagnosed breast cancer patients and controls.
Are Type D personality and Big Five personality traits associated with the risk of breast cancer in women?
Case-Control (n=178)
No
Are Type D personality and Big Five personality traits associated with the risk of breast cancer in women?
Odds Ratio: 4.45 (95% CI 1.96–10.61)
p-value: p=0.000
Negative affectivity, high neuroticism, and high openness to experience are associated with an increased risk of breast cancer, whereas social inhibition is associated with a decreased risk.
Should not yet inform breast cancer risk assessment; leaves open causal links requiring prospective validation.
Objective: The goal of this study is to establish the differences in Type D personality and Big five personality traits between a group of newly diagnosed breast cancer patients and a group of controls. Methods: A comparative study of breast cancer patients and women without previous history of cancer was carried out. We used Type D Scale-14 as an instrument for the assessment of the type-D personality pattern and NEO-FFI for the assessment of the Big Five personality traits. Conditional logistic regression models were used to estimate odds ratios and 95% confidence intervals were applied for breast cancer by personality trait factors. Results: Negative affectivity (NA) (OR = 4.45 95% CI: 1.96-10.61), neuroticism HIGH (OR = 3.97, 95% CI: 1.08-15.81), openness to experience HIGH (OR = 3.47 95% CI: 1.11-11.49), were associated factors significantly related to an increased risk of breast cancer, whereas Social Inhibition (SI) was associated factor with a decreased risk of breast cancer (OR = 0.40 95% CI: 0.16-0.92). Conclusions: This was the first case-control study which analyzed NA and SI traits in breast cancer patients. SI as a breast-cancer risk decreasing factor might indicate that expressing negative emotions is not always a healthy mechanism of their regulation.
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Wojciechowska et al. (2022) conducted a case-control in Breast cancer (n=178). Negative affectivity (NA) vs. Healthy controls was evaluated on Risk of breast cancer (OR 4.45, 95% CI 1.96-10.61, p=0.000). Negative affectivity was significantly associated with an increased risk of breast cancer (OR 4.45), whereas social inhibition was associated with a decreased risk (OR 0.40).
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