Psychometric Properties of the Chinese Version of the Acceptance of Chronic Health Conditions (Stoma) Scale for Patients With Stoma

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Abstract

Background:

Formation of a stoma is a common outcome in surgical treatment of colorectal cancer. A higher acceptance of stoma was shown to improve quality of life of patients. No instrument in Chinese is available that can be used to measure the acceptance of stoma among patients with colorectal cancer.

Objectives:

The aims of this study were to translate and test the psychometric properties of Chinese version of Acceptance of Chronic Health Conditions (ACHC) (Stoma) scale.

Methods:

A sample of 100 Chinese-speaking patients with stoma was recruited from a public tertiary care hospital in Singapore. The scale was translated into Chinese and reviewed by an expert panel for semantic equivalence and content validity testing. Convergent validity was established by exploring correlations between scores of the Chinese version of the ACHC (Stoma) scale and those of the 5-level version of European Quality of Life Questionnaire—5 Dimensions. Reliability was assessed by internal consistency and test-retest reliability.

Results:

The newly translated scale had high content validity (content validity index = 94%) and acceptable internal consistency (Cronbach’s α = .846). The test-retest reliability was satisfactory with an intraclass coefficient of 0.997. A positive correlation was found between both scores on ACHC (Stoma) scale and EQ-5D utility score (r = 0.63, P < .01) and EQ-5D global visual analog scale (r = 0.70, P < .01).

Conclusions:

The Chinese version of the ACHC (Stoma) scale demonstrated satisfactory content validity, good convergent validity, and adequate internal consistency and stability.

Implications for Practice:

This scale can be used as a convenient screening tool in clinical settings to assess the level of acceptance in Chinese-speaking patients with stoma.

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