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Table 2 Effect of Clinical and Demographic Factors on Allowed Amount Per Patient Per Episode

From: Cost comparison of two approaches to chiropractic care for patients with acute and sub-acute low Back pain care episodes: a cohort study

Factor/Exposure Group/Referent (exp)
Allowed Amount
95% CI p-value Mean Amounts
Group/Referent
95% CI (Mean Amounts)
Group/Referent)
Intercept 237 231.8–242.3 p < .001  
Cohort CoE/Network 0.77 0.75–0.79 p < .001 $252/$326 ($246 - $258)/($323 - $330)
Health Plan Commercial/Gov’t 1.49 1.47–1.52 p < .001 $350/ $235 ($345 - $355)/ ($230 - $239)
Region Urban/Rural 1.23 1.21–1.25 p < .001 $318/$259 ($313–$322)/($254 - $264)
Sex Female/Male 1.04 1.02–1.05 p < .001 $292/$282 ($287–$296)/($277–$286)
  1. Note. Dependent Variable = Allowed Amount (positive expenditures modeled; N = 24,330). Exposure variables in this model include: Cohort, Health Plan, Region, and Sex (entered as factors in the GLM). maximum likelihood estimate
  2. Exposure of interest/reference group (variable). Reference (or comparison) group is specified after the forward slash “/”
  3. Mean (allowed) amounts presented for Group/Referent and 95% CIs (for mean allowed amounts) come from the GLM
  4. model’s estimated mean