Predictors of Receiving a Physical Therapy Consult within a Medicaid Managed Care Low-Back Pain Cohort Presenting to Primary Care (January 1, 2012 to December 31, 2013): Multivariate Logistic Regression Modeling Blocks and Parameter Estimates for Predictors
| Predictor Variable | B | aOR (95% CI) | P-Value for Predictor | Nagelkerke R2 | P-Value for Block |
|---|---|---|---|---|---|
| Age (years) | −0.02 | 0.98 (0.96 to 1.00) | .17 | 0.07 | .00 |
| Sex (female) | −0.15 | 0.86 (0.52 to 1.4) | .55 | ||
| Comorbidities | 0.17 | .00 | |||
| Depression | −0.23 | 0.79 (0.48 to 1.32) | .33 | ||
| Chronic pain | −0.32 | 0.73 (0.43 to 1.25) | .25 | ||
| Obesity | −0.22 | 0.80 (0.47 to 1.36) | .41 | ||
| Tobacco use | −0.65 | 0.52 (0.30 to 0.91) | .02 | ||
| 2 or more on the Charlson | −0.86 | 0.42 (0.23 to 0.78) | .01 | ||
| Index procedures | 0.36 | .00 | |||
| X-ray | 0.59 | 1.81 (0.97 to 3.36) | .06 | ||
| Referral for specialty care or advanced imaging | −3.47 | 0.03 (0.01 to 0.09) | .00 | ||
| Index prescriptions | 0.39 | .00 | |||
| NSAID drugs | 0.60 | 1.81 (1.00 to 3.27) | .05 | ||
| Muscle relaxers | 0.81 | 2.24 (1.03 to 4.87) | .04 |
aOR, adjusted odds ratio; CI, confidential interval; CCI, Co-Morbidity Index; NSAID, non-steroidal anti-inflammatory.