| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Nakhostin Ansari, Noureddin Abdollahzade, Zahra Naghdi, Soofia Beigmohammadi, Mohammad Taghi Kashi-Alashti, Mina |
| Abstract | Background The Lumbar Spine Instability Questionnaire (LSIQ) is a self-reported measure of clinical instability of the lumbar spine. This study aimed to translate and culturally adapt the LSIQ into Persian language (LSIQ-P) and to evaluate its reliability and validity in a sample of patients with chronic non-specific low back pain (LBP). Methods In a cross-sectional study, the LSIQ was translated using guidelines. Participants with chronic non-specific LBP, aged ≥ 18 years old, answered an online survey consisting of LSIQ-P, the Persian Functional Rating Index (FRI), and the pain Numeric Rating Scale (NRS). Construct validity, internal consistency reliability, test–retest reliability, standard error of measurement (SEM), smallest detectable change (SDC), discriminant validity, and factor analysis were evaluated. Results The LSIQ was successfully adapted into Persian. A sample of 100 participants with LBP and 100 healthy subjects completed the survey. Floor and ceiling effects were not observed. Cronbach’s alpha = 0.767 and ICCagreement = 0.78 indicated good internal consistency and test–retest reliability. The SEM and SDC were 1.53 and 4.24, respectively. Construct validity of LSIQ-P was confirmed with significant correlation with Persian FRI (r = 0.44, p < 0.001) and pain NRS (r = 0.30, p = 0.003). An evidence of discriminant validity was demonstrated by significant difference in LSIQ-P total scores between the patients with LBP and healthy subjects, and between the patients with high total score ≥ 9 and those with low total score < 9 on the LSIQ-P. The LSIQ-P was found a multidimensional instrument with eight items appeared being redundant. Conclusions The Persian LSIQ showed satisfactory metric characteristics of reliability and validity. Further studies are required to elucidate the internal structure of the LSIQ-P. |
| Related Links | https://bmcsportsscimedrehabil.biomedcentral.com/counter/pdf/10.1186/s13102-022-00486-2.pdf |
| Ending Page | 8 |
| Page Count | 8 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 20521847 |
| DOI | 10.1186/s13102-022-00486-2 |
| Journal | BMC Sports Science, Medicine and Rehabilitation |
| Issue Number | 1 |
| Volume Number | 14 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2022-05-19 |
| Access Restriction | Open |
| Subject Keyword | BMC Sports Science Medicine and Rehabilitation Sports Medicine Orthopedics Rehabilitation Medicine Instability Low back pain Persian Validity Reliability Questionnaire |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physical Therapy, Sports Therapy and Rehabilitation Rehabilitation Orthopedics and Sports Medicine |
| Journal Impact Factor | 2.1/2023 |
| 5-Year Journal Impact Factor | 2.3/2023 |
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