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Back pain and body posture evaluation instrument (BackPEI): development, content validation and reproducibility
Matias Noll1, Cláudia Tarragô Candotti, Adriane Vieira
1Physical Education School, Universidade Federal do Rio Grande do Sul, Felizardo 750, 90690-200, Porto Alegre, Brazil. matiasnoll@yahoo.com.br
International Journal of Public Health
|January 1, 2013
Summary
A new instrument, the Back Pain and Body Posture Evaluation Instrument (BackPEI), was developed to assess childhood back pain and its risk factors. This tool demonstrated strong validity and reproducibility in primary schoolchildren.
Area of Science:
- Pediatric Health
- Musculoskeletal Disorders
- Health Assessment Tools
Background:
- Back pain is a prevalent issue in school-aged children.
- Existing instruments do not comprehensively assess back pain alongside associated risk factors.
- A validated tool is needed to evaluate demographic, socioeconomic, hereditary, behavioral, and postural factors contributing to childhood back pain.
Purpose of the Study:
- To develop the Back Pain and Body Posture Evaluation Instrument (BackPEI) for school-age children.
- To evaluate the validity and reproducibility of the newly developed BackPEI.
Main Methods:
- The BackPEI instrument was created with 21 questions.
- Content validity was assessed by eight expert reviewers.
- Reproducibility was tested on 260 primary schoolchildren via a test-retest approach with a 7-day interval.
Main Results:
- Reproducibility for 20 questions was classified as 'very good' (kappa > 0.8) or 'good' (0.6 < kappa ≤ 0.8).
- The pain intensity question showed no significant difference between test and retest averages (p = 0.251).
- High correlation (ICC = 0.937) was observed for pain intensity responses, indicating excellent reproducibility.
Conclusions:
- The Back Pain and Body Posture Evaluation Instrument (BackPEI) is a valid and reproducible tool.
- BackPEI is suitable for evaluating back pain prevalence and associated risk factors in children.
- This instrument can aid in understanding and addressing childhood back pain comprehensively.
