Table 3.

Predictors of Physical Therapy Participation within a Medicaid Managed Care Low-Back Pain Cohort Presenting to Primary Care and Receiving a Physical Therapy Consult (January 1, 2012 to December 31, 2013): Multivariate Logistic Regression Modeling Blocks and Parameter Estimates for Predictors

Predictor VariableBaOR (95% CI)P-Value for PredictorNagelkerke R2P-Value for Block
Age−0.010.99 (0.96 to 1.02).730.07.00
Sex (female)−0.100.90 (0.45 to 1.80).77
X-ray at index0.972.63 (1.25 to 5.53).010.23.00
Multiple orders at index−1.280.28 (0.11 to 0.70).01
2 or more comorbidities1.082.96 (1.20 to 7.20).02
Prior opioid prescription (within 90 days)−0.890.38 (0.17 to 0.83).02
  • aOR, adjusted odds ratio; CI, confidential interval.