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Validation of the brief version of the cancer behavior inventory in breast cancer Portuguese patients

Validation of the brief version of the cancer behavior inventory in breast cancer Portuguese patients

Pereira, Marta

;

Izdebski, P.

; Pereira, M. Graça
| Springer | 2021 | DOI

Journal Article

Self-efficacy is a coping resource with a positive impact on well-being, quality of life, anxiety, and depression in cancer patients, even after treatment. This study focused on the validation of the Cancer Behavior Inventory-Brief Version (CBI-B) in Portuguese patients with breast cancer. The study included 115 patients with breast cancer receiving outpatient chemotherapy in four hospitals located in Portugal. Participants (N = 115) completed the translated version of the CBI-B in Portuguese and measures of quality of life (QLQ- C30), psychological distress (HADS), and illness perceptions (IPQ-B). Confirmatory factor analysis supported the four-factor original structure of the CBI-B. The Portuguese version of the CBI-B showed good psychometric properties as shown by measures of internal consistency (Cronbach’s alpha = .88), test–retest reliability (intraclass correlation coefficient = .59), convergent validity with the QLQ-C30 (r = .43, p < .001), and divergent validity with the HADS (r = -.60, p < .001) and the IPQ-B (r = -.51, p < .001). The Portuguese version of the CBI-B is a valid and reliable instrument to evaluate the self-efficacy for coping in Portuguese breast cancer patients. Future studies should validate the CBI-B in patients with other types of cancer.instrument to evaluate the self-efcacy for coping in Portuguese breast cancer patients. Future studies should validate the CBI-B in patients with other types of cancer.
This study was conducted at the Psychology Research Centre
(PSI/01662), School of Psychology, University of Minho, supported
by the Foundation for Science and Technology (FCT) through the
Portuguese State Budget (Ref.: UIDB/PSI/01662/2020) and a PhD
fellowship awarded to frst author (SFRH/BD/137321/2018 PHD Fel lowship) supported by the FCT and European Social Fund (Human
Capital Operational Programme—HCOP)

Publicação

Ano de Publicação: 2021

Editora: Springer

Identificadores

ISSN: 1068-9583