Correlates of dysfunctional career thoughts in breast cancer survivors from the Bahamas

The effect of mindfulness and psychological capital on mental health of breast cancer patients: Based on polynomial regression and response surface analysis

OBJECTIVE

To explore the combined effects of mindfulness and psychological capital on mental health of breast cancer patients and to examine the mediating effect of positive emotions in their relationship.

METHODS

A convenient sampling method was used in this study, and 522 breast cancer patients aged 18 to 59 who received chemotherapy in a tertiary cancer hospital were enrolled. Polynomial regression with response surface analysis was mainly employed to explore the relationship between mindfulness, psychological capital, and mental health. A block-variable approach was used to verify the mediating effect of positive emotions.

RESULTS

In cases of congruence, mental health was better when mindfulness and psychological capital were both high instead of being both low (the slope of the congruence was 0.540, p < 0.001); In cases of incongruence, poorer mental health was found in breast cancer patients with low psychological capital and high mindfulness compared with those who had high psychological capital and low mindfulness (the slope of the incongruence was -0.338, p < 0.001), and the combined effects were a positive curve (positive U-shaped) related to mental health (β = 0.102, p = 0.040). In addition, positive emotions played a mediating role in the relationship between the block variable (mindfulness and psychological capital) and mental health, and the indirect effect was 0.131.

CONCLUSIONS

This study expanded the research on the effects of mindfulness and psychological capital in improving mental health as well as the conflict between the two variables related to mental health by employing a new analytical technique among breast cancer patients.

Breast Cancer in the Caribbean

Breast cancer (BC) is one of the leading causes of death among women globally. In the Caribbean, there is a higher mortality rate compared with North American and European countries which have higher incidence rates. We conducted a literature review to examine the BC dynamic in the Caribbean and determine the areas where further investigations are needed. The PubMed database was used for identifying relevant studies using a combination of specific keyword searches. All studies focusing on BC within the defined Caribbean population were selected for this review. A total of 117 papers were included. The data were organized and presented under the following headings and reported according to the country where available: BC incidence and mortality, patient demographics, clinicopathology, genetics, behavioral risks, diagnosis and treatment, and BC control. Our review uncovered major variability in the incidence, management, etiology, and mortality of BC among Caribbean countries. Low-resource countries are burdened by more advanced disease with expected poorer BC outcomes (i.e., shorter periods of disease-free survival). Countries with established national cancer registries seem to have a better approach to the management of BC. The introduction of cancer treatment programs in association with international nonprofit groups has shown tremendous improvement in quality, accessible cancer care for patients, particularly in low- and middle-income settings. BC research is relatively limited in the Caribbean, lacking in both scope and consistency. The unique Caribbean BC population of diverse ethnicities, environmental influence, immigrants, socioeconomic status, and sociocultural practices allows an optimal opportunity for epidemiological investigations that can provide deeper insights into the status of BC.