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Table 3 Descriptive statistics

From: Preferences for peer-reviewed versus other publication sources: a survey of general dentists in the National Dental PBRN

  Percentage or mean SD Min Max N
Dependent variables
  %     
 Consults peer-reviewed dental journals (Y/N) 87 0.33 0 1 1191
 Consults other published dental sources (Y/N) 58 0.49 0 1 1191
  Mean     
 Range of all sources consulted 2.78 1.71 0 7 1191
 Range of peer-reviewed journal sources consulted 1.74 1.00 0 4 1191
 Range of other published sources consulted 1.05 1.09 0 4 1191
  E-I Index     
 Proportional mix of peer-reviewed Journals and other published sources −0.37 0.53 −1 1 1061
Independent Variables
 Clinical Setting
  Mean     
  Range of complex procedures routinely conducted 0.66 0.85 0 4 1191
  Range of standard procedures routinely conducted 3.49 1.49 0 6 1191
  Range of patients per week (category) 5.07 1.41 1 6 1189
  %     
  Solo practitioner 47 0.50 0 1 1191
  Dentist practices full-time 88 0.32 0 1 1191
  Dentist practices in one office only 81 0.38 0 1 1191
 Human/intellectual capital motivation
  %     
  Advanced training 31 0.46 0 1 1191
  Research experience 40 0.49 0 1 1191
  PBRN skill motive 65 0.48 0 1 1191
  Mean     
  Professional age (years since dental school) 24.2 12.32 1 66 1155
 Demographics
  %     
  Female dentist 37 0.48 0 1 1191
  Under-represented minority dentist 13 0.34 0 1 1191