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Table 4 Pairwise Pearson correlations: independent variables in regression models

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

   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Consults Peer-Reviewed Dental Journals 1 1.000                  
Consults Other Published Dental Sources 2 0.333* 1.000                 
Range of All Sources Consulted 3 0.565* 0.698* 1.000                
Range of Peer-Reviewed Journal Sources Consulted 4 0.664* 0.298* 0.800* 1.000               
Range of Other Published Sources Consulted 5 0.278* 0.822* 0.835* 0.338* 1.000              
Proportional Mix of Peer-Reviewed/Other Sources 6 −0.379 0.877* 0.499* −0.201 0.839* 1.000             
Professional Age 7 0.029 0.114* 0.139* 0.093* 0.132* 0.091* 1.000            
Advanced Training 8 −0.049 0.028 0.104* 0.183* −0.005 −0.089 0.299* 1.000           
Research Experience 9 −0.028 0.018 0.056 0.0664* 0.027 −0.036 0.177* 0.196* 1.000          
PBRN Skill Motive 10 0.071* 0.113* 0.123* 0.088* 0.112* 0.076* −0.077 0.014 −0.066 1.000         
Female 11 −0.027 −0.042 − 0.075 −0.077 − 0.048 − 0.014 − 0.296 −0.114* − 0.086 0.033 1.000        
Underrepresented Minority 12 −0.039 0.025 −0.005 − 0.041 0.030 0.050 −0.061 0.011 0.007 0.096* 0.088* 1.000       
Solo Practitioner 13 −0.027 0.093* 0.089* 0.047 0.096* 0.108* 0.179* 0.095* −0.014 0.006 −0.100 − 0.039 1.000      
Full Time Dentist 14 0.008 0.011 0.061* 0.0654* 0.037 0.009 − 0.133 0.009 −0.016 0.078* −0.140 0.041 0.019 1.000     
Rural Practice 15 0.019 0.062* 0.054 0.013 0.072* 0.061* −0.032 0.013 0.028 0.028 −0.012 −0.035 − 0.009 −0.033 1.000    
Number of Complex Procedures Routinely Conducted 16 −0.006 0.044 0.078* 0.0782* 0.051 0.032 0.1745* 0.231* 0.113* 0.020 −0.212 − 0.026 0.243* 0.057* −0.010 1.000   
Number of Standard Procedures Routinely Conducted 17 0.079* 0.097* 0.132* 0.1105* 0.1059* 0.059 0.0605* 0.101* 0.056 0.1201* −0.092 0.0712* 0.161* 0.066* 0.038 0.453* 1.000  
Number of patients per week 18 −0.036 0.028 0.000 0.025 −0.022 −0.045 − 0.108 −0.062* − 0.017 0.004 − 0.075 − 0.050 − 0.099 0.139* − 0.026 0.009 0.007 1.000
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