A STUDY TO FIND OUT TEST RETEST RELIABILITY AND VALIDITY OF GUJARATI VERSION OF SHOULDER PAIN AND DISABILITY INDEX (SPADI) AMONG GUJARATI SPEAKING INDIAN POPULATION WITH SHOULDER PAIN – A CORELATIONAL STUDY

Anuj Gulwani

Abstract


Background: Shoulder disorders are still one of the major health problems in clinical practice, and shoulder pain is the third most common type of musculoskeletal pain after spinal and knee pain. The shoulder pain and disability index (SPADI) is a self-report questionnaire developed to measure the pain and disability associated with shoulder pathology. SPADI was developed by Roach et al, and has been found to be the quickest (within five minutes) and easiest to complete.

Method: The study was carried out in three phases: the first was translation into Guajarati and cultural adaptation of the questionnaire; the second phase was pilot study to assess comprehensibility of the pre final version; third was the validity and reliability study of the final version of the questionnaire. Total 100 patients aged between 30 to 60 years were included in the study. Then they were asked to fill the SPADI questionnaire twice with the time interval of 24 hours in order to assess test retest reliability of the questionnaire. The test retest reliability and internal consistency were measured.

Result: The obtained data of 100 patients were analyzed by SPSS version 20. Reliability estimated by internal consistency using Cronbach’s alpha (0.99)  and test retest reliability estimated by interclass correlation coefficient (0.99) (spearmen’s correlation coefficient) suggest excellent  test retest reliability and high correlations between baseline and retest questionnaires of  Guajarati version of shoulder pain and disability index (SPADI).

Conclusion: Gujarati version of shoulder pain and disability index (SPADI) is valid and reliable tool for assessment of functional status among Guajarati speaking Indian population with shoulder pain.


Keywords


Shoulder pain and disability index (SPADI); Shoulder pain; Test retest reliability; Validity; Gujarati version; Interclass correlation coefficient (ICC)

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