Assessment of self-efficacy and coping with cancer: Development and validation of the Cancer Behavior Inventory.
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TL;DR
A measure of self-efficacy for coping with cancer and correlations with other measures supported its validity, and the CBI may be useful for research and clinical practice.
Abstract
This article reports the development of a measure of self-efficacy for coping with cancer. Items culled from a variety of sources were chosen for inclusion in the Cancer Behavior Inventory (CBI) based on the psychometric properties of the items and the fit of the items in a factor structure. Factor analysis on a group of 502 persons with cancer yielded 6 factors: (a) Maintenance of Activity and Independence (alpha = .89), (b) Coping With Treatment-Related Side Effects (alpha = .88), (c) Accepting Cancer/Maintaining Positive Attitude (alpha = .87), (d) Seeking and Understanding Medical Information (alpha = .88), (e) Affective Regulation (alpha = .75), and (f) Seeking Support (alpha = .77). Cronbach's alpha for the entire measure was .96, and correlations with other measures supported its validity. The CBI may be useful for research and clinical practice.