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Table 6 Parsimonious multivariate logistic regression model results for prediction of any care and individual service utilization (n = 246) a

From: Prediction of healthcare utilization following an episode of physical therapy for musculoskeletal pain

Dependent variable Independent variable Complete case Inverse probability of attrition weighted
B S.E. Sig. Odds ratio Pseudo R2 B S.E. Sig. Odds ratio Pseudo R2
Any care Chronicity 0.79 0.38 0.04 2.19 0.30 0.73 0.41 0.07 2.08 0.31
Baseline pain 0.37 0.12 0.002 1.45     
CCI 0.21 0.12 0.07 1.23 0.31 0.14 0.03 1.36
Baseline disability 0.39 0.20 0.05 1.48 0.90 0.19 < 0.001 2.47
Change in pain 0.37 0.11 < 0.001 1.45 0.25 0.10 0.02 1.28
Opioids Surgery for condition      0.33 0.95 0.49 0.51 2.58 0.36
Chronicity 1.03 0.59 0.08 2.80     
CCI 0.43 0.13 < 0.001 1.54 0.47 0.14 < 0.001 1.60
Baseline pain 0.53 0.13 < 0.001 1.70 0.57 0.15 < 0.001 1.76
Baseline 10-item OSPRO-YF      0.01 0.03 0.96 1.00
Change in pain 0.54 0.14 < 0.001 1.71 0.53 0.15 < 0.001 1.70
Additional OSPRO-YF 7-items (baseline) −0.09 0.05 0.08 0.92 −0.01 0.05 0.07 0.91
Injection Race (non-white) b −1.79 1.05 0.09 0.17 0.22 −2.15 1.19 0.07 0.12 0.24
Chronicity 1.27 0.65 0.05 3.57 1.31 0.73 0.07 3.71
Baseline disability 0.76 0.20 < 0.01 2.14 0.76 0.21 < 0.01 2.14
Surgery CCI      0.30 0.15 0.10 0.15 1.16 0.34
Baseline disability 1.14 0.28 < 0.001 3.13 1.18 0.31 < 0.001 3.25
Change in 10-item OSPRO-YF score 0.12 0.05 0.03 1.12 0.13 0.06 0.02 1.14
Change in disability 1.11 0.42 0.01 3.04 1.12 0.44 0.01 3.05
Diagnostic tests or imaging Chronicity 0.60 0.43 0.16 1.82 0.29      0.33
CCI 0.30 0.12 0.02 1.35 0.37 0.13 < 0.001 1.45
Baseline disability 0.81 0.18 < 0.001 2.25 0.98 0.19 < 0.001 2.66
Change in pain 0.34 0.11 < 0.001 1.41 0.37 0.11 < 0.001 1.45
Emergency room Age −0.09 0.03 < 0.001 0.91 0.48 −0.06 0.03 0.03 0.94 0.50
Anatomical location (neck) c 0.54 0.97 0.58 1.71 −0.37 0.92 0.69 0.69
Anatomical location (low back) c 0.72 0.95 0.45 2.05 −0.04 0.89 0.97 0.96
Anatomical location (shoulder) c −2.86 1.49 0.06 0.06 −3.52 1.53 0.02 0.03
Insurance (public) d 1.89 1.06 0.08 6.65 1.81 1.11 0.10 6.11
Insurance (other) d 2.20 0.88 0.01 8.99 2.58 0.86 < 0.001 13.15
Chronicity 1.76 1.26 0.16 5.81     
Surgery for condition 1.69 0.94 0.07 5.43 1.77 0.93 0.06 5.86
Baseline disability 1.59 0.47 < 0.001 4.88 1.20 0.34 < 0.001 3.33
Additional OSPRO-YF 7-items (baseline) −0.20 0.09 0.03 0.82     
Change in 10-item OSPRO-YF score      0.14 0.07 0.05 1.15
Change in pain 0.57 0.22 0.01 1.77 0.46 0.21 0.03 1.59
  1. CCI Charlson comorbidity index, OSPRO-YF Pain-related psychological distress screening tool
  2. a Health care utilization (dependent) variables refer to utilization during the follow-up period, whereas independent variables refer to measurements taken before the follow-up period
  3. b Reference value is White
  4. c Reference value is knee
  5. d Reference value is private insurance