Abstract
ABSTRACT Our study aimed to perform the face and content validity of Self-Estimated Functional Inability because of Pain (SEFIP) for workers, here called the SEFIP-work questionnaire. This is a questionnaire validity study. Our group previously translated and adapted the original version of the SEFIP, which was developed to investigate musculoskeletal pain and dysfunction to be applied to dancers (SEFIP-dance). However, due to the broad scope of the SEFIP-dance, we made changes and adaptations in the Brazilian Portuguese version of the SEFIP-dance to allow its use in workers. Therefore, face and content validity were performed for the development of the SEFIP-work based on opinions of committee of occupational disease and rehabilitation experts. After face and content validity, this SEFIP-work version was applied to 30 working individuals with musculoskeletal pain. The participants were native Brazilian Portuguese speakers aged 18 years and older. Thus, three changes were made to the questionnaire. All participants understood the SEFIP-work items and alternatives. The average total SEFIP-work score was 6.59 (SD=3.66), with the item “parte inferior das costas” (lower back) being the most marked (n=28; 93.33%), with an average score of 1.18 (SD=0.73). In conclusion, the Brazilian Portuguese version of SEFIP-work presents an acceptable level of understanding by workers in the investigation of musculoskeletal pain or discomfort.
Highlights
Researchers and occupational health professionals have used different occupational health assessment instruments to implement preventive, ergonomic, and/or rehabilitation measures[1,2,3,4]
An item understood by less than 20% of the participants would be changed and retested in a new sample of 30 participants until the achievement of the desired understanding level[12,13]. This procedure established the final version of the SEFIPwork in the Brazilian Portuguese
The total score varies between 0 and 56 points; the higher the score, the higher disability[11]. In addition to this total score, we suggest estimating a separate score for each body region to produce a score from 0 to 4
Summary
Researchers and occupational health professionals have used different occupational health assessment instruments to implement preventive, ergonomic, and/or rehabilitation measures[1,2,3,4] Most of these instruments are questionnaires and, due to their basic characteristics, are based on the measurement of variables related to the worker’s own report, as in the case of pain investigation[5,6]. Several variables can be measured by questionnaires.The Need for Recovery Scale is a questionnaire that measures worker’s fatigue[7]; the Strain Index measures risk of upper limb dysfunction[1]; the Maastricht Upper Extremity Questionnaire investigates arm, cervical, and shoulder involvement[8]. In addition to these specific instruments, there are questionnaires to measure various dimensions of pain, including the Numerical Rating Scale[5] and Örebro Musculoskeletal Pain Questionnaire[6]
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