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Table 4 Multivariate analyses of baseline prognostic factors for improvement in pain and disability at 4 years (model 1)

From: Prognostic factors for long-term improvement in pain and disability among patients with persistent low back pain

Prognostic factors

OR (95% CI)

P-value

Age (years)

̶

̶

Sex (female)

̶

̶

Pain intensity (NRS)

1.34 (1.17–1.54)

< 0.0001

Episode duration (months)

0.99 (0.99-1.00)

0.009

Previous LBP episodes

̶

̶

Disability (RMDQ)

1.01 (1.00-1.02)

0.015

Risk of persistent pain

0.58 (0.38–0.88)

0.011

Regular employment or studying

1.67 (1.06–2.64)

0.027

  1. n Total=498 (72 participants were excluded due to missing values in the include variables).
  2. OR: Odds ratio, BMI: Body Mass Index, RMDQ: Roland Morris Disability Questionnaire (23-item version), NRS: Numerical Rating Scale.