General objective:

To determine the validity and reliability of the Coping Strategies to Back Pain Reduced Questionnaire in the Cienfuegan population with chronic back pain.

Material and method:

The investigation consisted in the development of a technology to validate this Coping Strategies to Back Pain Reduced Questionnaire. The analysis of the validity of content was done through the experts's opinion and the constructo validity, starting from the factorial analysis. The analysis of the reliability was carried out through the internal consistency, calculating the Alpha coefficient of Cronbach and the temporary stability through the test retest. As part of the process of validation it was carried out a linguistic and cultural adaptation of the instrument. The study was done in the General University Hospital "Dr. Gustavo Aldereguía Lima", Cienfuegos province, Cuba, from September, 2017 to October 2018. A systematic aleatory sampling was used, being conformed the sample by 162 patients. The statistical analysis of the information was carried out in the Statistical Package SPSS.

Results:

The experts considered the modification of items 2, 3, 6, 8, 10, 15, 16 and 22 for a better understanding. This analysis allowed to identify the articles that could be confused inside the instrument. Through factorial analysis the presence of six correlated factors were identified, which represented 71 % of the accumulated. It was obtained a α of global Cronbach 0,853 and the temporary stability of the instrument was demonstrated.

Conclusion:

The results confirm the validity and dependability of the Coping Strategies to the Chronic Pain Reduced Questionnaire in the Cienfuegan population with chronic back pain.

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