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Table 2 Impact of patient demographics upon likelihood of restoration

From: Practice change toward better adherence to evidence-based treatment of early dental decay in the National Dental PBRN

  Including all providers Non-attendees only
  Odd ratio 95% CI Odd ratio 95% CI Odd ratio 95% CI
Study year       
 2005 1 ref 1 ref 1 ref
 2006 0.986 (0.920, 1.056) 0.985 (0.920, 1.055) 0.945 (0.869, 1.029)
 2007 0.810 (0.758, 0.865) 0.810 (0.758, 0.864) 0.758 (0.699, 0.823)
 2008 0.730 (0.685, 0.777) 0.729 (0.685, 0.777) 0.842 (0.763, 0.930)
 2009 0.414 (0.390, 0.440) 0.414 (0.390, 0.440) 0.512 (0.452, 0.581)
 2010 0.270 (0.255, 0.287) 0.270 (0.255, 0.287) 0.316 (0.279, 0.358)
 2011 0.219 (0.207, 0.232) 0.219 (0.206, 0.232) 0.238 (0.210, 0.270)
Patient-level effects       
 Age       
 <18 0.798 (0.770, 0.827) 0.798 (0.770, 0.827) 0.811 (0.775, 0.849)
 18–39 1 ref     
 40–50 1.360 (1.298, 1.424) 0.359 (1.298, 1.424) 1.419 (1.337, 1.506)
 51–64 1.698 (1.614, 1.787) 1.697 (1.613, 1.786) 1.824 (1.705, 1.952)
 65–84 1.656 (1.543, 1.776) 1.656 (1.544, 1.776) 1.742 (1.586, 1.914)
 85a 1.332 (1.158, 1.532) 1.332 (1.158, 1.531) 1.249 (1.050, 1.486)
Co-occuring findingsa       
 Number of other enamel diagnostic codes 3.942 (3.929, 3.956) 1.011 (1.007, 1.014) 1.012 (1.008, 1.017)
 Number of other dentin diagnostic codes 2.940 (2.854, 3.028) 1.050 (1.019, 1.082) 1.046 (1.008, 1.086)
 Repaired sealants with damage 5.516 (5.251, 5.795) 1.533 (1.459, 1.610) 1.382 (1.289, 1.482)
Provider-level effects       
 Male    1.109 (0.709, 1.737) 1.024 (0.633, 1.659)
 Years since graduation    0.990 (0.952, 1.030) 0.990 (0.953, 1.028)
 Years in dental group    1.011 (0.967, 1.056) 1.026 (0.985, 1.069)
Provider DPBRN engagementb       
 Surveys only      0.760 (0.394, 1.467)
 Surveys and Studies      0.455 (0.259, 0.800)
 Surveys, Studies, and Meetings      0.783 (0.446, 1.375)
Goodness of fit       
 Log likelihood −62,398.810   −62,387.780   −39,101.240  
 Aikaike information criterion 124,829.600   124,813.600   78,248.490  
 Bayesian information criterion 124,983.000   124,995.700   78,458.610  
 Deviance 124,797.600   124,775.600   78,202.490  
  1. Estimates from logistic regression with random provider effects.
  2. aEstimated odd ratio compares no findings to average number among those with any findings.
  3. bRelative to no DPBRN engagement.