HEALTH LOCUS OF CONTROL IN INDIVIDUALS WITH NON-SPECIFIC CHRONIC LOW BACK PAIN: OUTCOME OF A 12-WEEK CLINICAL STUDY

Alonge I1, Sanya A2, Adeniyi F2, Odusanya OF3
1University of Ibadan, Physiotherapy Unit, University Health Service, Ibadan, Nigeria, 2University of Ibadan, Physiotherapy Department, Ibadan, Nigeria, 3University College Hospital, Physiotherapy, Ibadan, Nigeria

Background: The health locus of control of individuals with NCLBP could be one factor that partly influences how well they adjust to their symptoms and may influence response to pain management. Health locus of control could be internal or external (chance, doctor, others, God) Adoption of beneficial health locus of control may be possible through therapeutic interventions.

Purpose: To investigate the effects of a twelve-week exercise therapy programme on health locus of control of individuals with non-specific chronic low back pain (NCLBP).

Methods: Seventy-six consenting individuals with NCLBP seeking physical therapy in primary care were purposively recruited over a one year period, and randomized into Self-management Group (SG; n= 38) and Exercise Group (EG; n= 38). The participants demonstrated directional preference for extension with pain centralization, or constant pain based on the McKenzie Institute's Lumbar spine assessment, to ensure homogeneity of sample. They received back care education on good posture maintaenance during activities of daily living. In addition to this education, the EG received muscular endurance exercise programme (stretching and endurance exercise training to the back, anterior trunk, hip, thigh and leg muscles). Exercise classes were held thrice weekly for twelve consecutive weeks.
The health locus of control (HLOC) scores which comprised the internal and external- Doctor, Chance, Other,and God health control expectances in respect to LBP of the participants, assessed with the Multidimensional Health Locus of Control scale, Form C were collected and analyzed at baseline, ends of fourth, eighth and twelfth weeks. Data were analysed using Multilevel analysis of hierarchical data and Mann Whitney U test at α0.05 using STATA 13.1 software

Results: The groups were comparable in the biopsychosocial parameters at baseline (p>0.05).
Although at the end of the 12th week of the study, there was no significant improvement (p>0.05) in HLOC parameters of EG compared to CG, the EG had significant improvements (p 0.05) between the scores at baseline and at the end of the 12th week in internal HLOC (23.4(1.0) and 25.7(0.9)) and in chance HLOC (14.9(1.1) to 13.0(0.7)). There were no significant improvements in the HLOC parameters within the CG.

Conclusion(s): Conclusions
Supervised group exercise programme accompanied with back care and pain prevention education offered some beneficial improvement in internal health locus of individuals with non-specific chronic low back pain.

Implications: Need to address biopsychosocial parameters along with biomedical in individuals with non specific chronic low back pain

Keywords: Health locus of control, biopsychosocial, low back pain

Funding acknowledgements: None

Topic: Musculoskeletal: spine; Education: clinical

Ethics approval required: Yes
Institution: University of Ibadan
Ethics committee: University of Ibadan /University College hospital
Ethics number: NHREC/05/01/2008a


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