988368
پنجشنبه 20 اردیبهشت 1403
چکیده: (89 مشاهده)
Objectives: The speech and language therapy (SLT) profession in Bangladesh has been around for a decade. Yet, therapists are facing challenges to measure effectiveness of SLT service after providing this therapeutic intervention to the patient for a certain period. Due to patients’ demand, there is an increasing need of developing and adapting outcome measurement tools for patients with communication difficulties. Therefore, this study aims to examine the validity and reliability of communication outcome after stroke scale which was developed in the Bengali language for individuals with stroke.
Methods: Content validity of the communication outcome after stroke Bengali (COAST-BD) scale was determined by IOC (as ≥0.67) of three experts. One hundred and ten stroke survivors and their caregivers from the SLT department of CRP hospital were enrolled in this study in considering one-to-two week’s interval for examining test-retest reliability of the scale. Chronbach alpha (α), Correlation matrix, KMO and Bartlett’s test (χ²), and ICC were applied to compute the psychometric properties of the scale. Exploratory Factor Analysis was applied to identify the potential items structure in the scale.
Results: Chronbach alpha (α) for the internal consistency of the overall scale was 0.97 and 0.89. The interclass correlation coefficient (ICC) for the test-retest reliability of the COAST-BD scale was 0.96, and composite reliability score was range from 0.70 to 0.91. The COAST-BD scale was estimated correlated values among its subscales on both visit-1 (0.370 to 0.661) and visit-2 (0.288 to 0.520) respectively. The KMO and χ² were also calculated correlation values on both visit-1 (KMO=0.628; χ²=82.90) and visit-2 (KMO=0.614; χ²=48.10) respectively.
Conclusions: The COAST-BD scale showed significant internal consistency, test-retest reliability, correlation matrix, and construct validity.
Methods: Content validity of the communication outcome after stroke Bengali (COAST-BD) scale was determined by IOC (as ≥0.67) of three experts. One hundred and ten stroke survivors and their caregivers from the SLT department of CRP hospital were enrolled in this study in considering one-to-two week’s interval for examining test-retest reliability of the scale. Chronbach alpha (α), Correlation matrix, KMO and Bartlett’s test (χ²), and ICC were applied to compute the psychometric properties of the scale. Exploratory Factor Analysis was applied to identify the potential items structure in the scale.
Results: Chronbach alpha (α) for the internal consistency of the overall scale was 0.97 and 0.89. The interclass correlation coefficient (ICC) for the test-retest reliability of the COAST-BD scale was 0.96, and composite reliability score was range from 0.70 to 0.91. The COAST-BD scale was estimated correlated values among its subscales on both visit-1 (0.370 to 0.661) and visit-2 (0.288 to 0.520) respectively. The KMO and χ² were also calculated correlation values on both visit-1 (KMO=0.628; χ²=82.90) and visit-2 (KMO=0.614; χ²=48.10) respectively.
Conclusions: The COAST-BD scale showed significant internal consistency, test-retest reliability, correlation matrix, and construct validity.
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