Abstract
Orebro Musculoskeletal Pain Screening Questionnaire (OMPSQ) is widely used in clinical practice and for research purpose to screen the risk of chronicity in patients with Non-specific low back pain (NSLBP). The questionnaire has been cross-culturally adapted into different languages, but to date, there has not been Hausa version of the questionnaire. This study is important as the Hausa language is widely spoken across sub-Saharan Africa. The study aims to cross-culturally translate the English version of the (OMPSQ) into Hausa language (OMPSQ-H) and to test its psychometric properties in Hausa patients with NSLBP. This observational study involved the use of forward-backwards translation method for the English version of OMPSQ. Thus, 124 male and female participants with subacute NSLBP were recruited using convenient sampling techniques. The psychometric properties statistically tested included reliability, internal-consistency, ceiling and floor effects, acceptability and construct validity. The Hausa version of OMPSQ has demonstrated good reliability (ICC=0.82) and internal consistency (Cronbach's alpha=0.72) with good acceptability as all questions were answered in 5min. Responsiveness was adequate as OMPSQ-H retest scores demonstrated good correlation with the global rating of change scale scores (r=0.67, p=0.01). Construct validity was evaluated using principal component analysis and it reveals six components structure for the OMPSQ-H. The OMPSQ-H was successfully translated and cross-culturally adapted with no problem of comprehension. Moreover, it has shown adequate psychometric properties in terms of internal consistency, reliability, responsiveness and constructs validity. Consequently, the OMPSQ-H can be considered as a valid tool for identifying and screening both psychosocial risk factors and risk of chronicity of NSLBP in Hausa population.
Highlights
Low back pain (LBP) is arguably the most prevalent musculoskeletal condition found among both developed and developing nations [1, 2]
Orebro Musculoskeletal Pain Screening Questionnaire (OMPSQ) is widely used in clinical practice and for research purpose to screen the risk of chronicity in patients with Non-specific low back pain (NSLBP)
Ahmed et al.: Cross-cultural Adaptation and validation of Hausa-OMPSQ in chronic LBP patients identified in 85% of the patients [3], LBP in these patients are labelled as non-specific low back pain (NSLBP)
Summary
Low back pain (LBP) is arguably the most prevalent musculoskeletal condition found among both developed and developing nations [1, 2]. Despite the high incidence and prevalence of LBP, little is known about its precise causes. According to the Global Burden of Disease (GBD) 2010 study, LBP is currently the 6th highest burden on a list of 291 conditions and is the cause of more years lived with disability globally than any other disease [4]. A recent systematic review and meta-analysis published in 2018 revealed that the lifetime, annual and point prevalence of LBP among African nations, was higher than the global LBP prevalence [6]. In Nigeria, the annual prevalence rate of LBP reported has been between 33 and 74%, mostly affecting workers [7]
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