Article

OBJECTIVE: To explore possible predictors associated with short-term
(post-treatment) and long-term (2 years) treatment success in terms of
pain-related disability for patients with persistent neck pain following a pain
and stress self-management intervention (PASS). METHODS: Data from 77
participants assigned to PASS in a randomized controlled trial were explored to
identify possible predictors of favourable outcome regarding pain-related
disability as measured by the Neck Disability Index (NDI), by use of Pearson
correlation analysis, partial least squares (PLS) and ordinary least squares
(OLS) regression analyses. Data from self-assessment questionnaires completed by
the participants before, post-treatment (i.e. 20 weeks after inclusion) and 2
years after inclusion in the study, were used. RESULTS: Multivariate PLS
regression analysis showed that baseline scores in NDI, the Self-Efficacy Scale
(SES) and pain intensity explained 31% of the variance in disability (NDI)
post-treatment. Multivariate PLS regression analysis showed that post-treatment
scores in NDI, SES and pain intensity explained 68% of the variance in disability
(NDI) at 2 years. CONCLUSION: Treatment gains, as measured by post-treatment
scores at 20-week follow-up, in disability, self-efficacy and pain intensity were
associated with long-term outcome in pain-related disability at 2 years, in
patients with persistent neck pain participating in a self-management group
intervention in primary health care.

Langue : ANGLAIS