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Table 1 Characteristics of Survey Respondents by Initial Registry Participation Classification

From: Private provider participation in statewide immunization registries

  Participant Survey (N = 604) Non-Participant Survey (N = 152)  
  N % N % p-value
Specialty      
   Family Practice 208 39% 62 44% 0.2074
   Pediatrics 312 58% 73 51%  
   Other 15 3% 7 5%  
Practice ownership/affiliation      
   Private independent office (solo or group) 454 76% 102 67% 0.0162
   University or hospital medical center 73 12% 26 17%  
   Physician network 33 5% 17 11%  
   Other 41 7% 7 5%  
Proportion of pediatric patients covered by Medicaid      
   Less than 10% 126 21% 29 19% 0.8415
   10–50% 334 56% 88 59%  
   More than 50% 134 23% 33 22%  
No. of vaccines given to children in a typical week      
   Less than 10 vaccines/week 89 15% 30 20% 0.4930
   10–25 vaccines/week 105 18% 26 17%  
   26–100 vaccines/week 213 36% 48 32%  
   More than 100 vaccines/week 185 31% 46 31%  
No. of physicians in practice giving childhood vaccines      
   1–2 331 55% 85 57% 0.6628
   3 or more 266 45% 63 43%