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Table 2 Individual characteristics of emergency department (ED visits) for asthma 1999–2015 among children in South Carolina by whether records had missing or complete census tract identifiers

From: A geographic identifier assignment algorithm with Bayesian variable selection to identify neighborhood factors associated with emergency department visit disparities for asthma

  Census tract identifier  
Missing (%) Complete (%) p
n 21,268 96,570  
Race
 White 4725 (22.2) 27,468 (28.4) < 0.001
 African American 15,721 (73.9) 64,561 (66.9)  
 Hispanic 361 (1.7) 2037 (2.1)  
 American Indian 56 (0.3) 225 (0.2)  
 Asian 30 (0.1) 218 (0.2)  
 Other 375 (1.8) 2061 (2.1)  
Age (median [IQR]) 10.00 [7.00, 14.00] 10.00 [7.00, 14.00] 0.001
Sex
 Female 9024 (42.4) 40,495 (41.9) 0.187
 Male 12,244 (57.6) 56,075 (58.1)  
Payor
 Governmental 13,636 (64.1) 59,422 (61.5) < 0.001
 Private insurance 4976 (23.4) 25,577 (26.5)  
 Self-pay 2551 (12.0) 11,129 (11.5)  
 Other 105 (0.5) 442 (0.5)  
Urbanicity
 Urban 12,679 (59.6) 68,323 (70.7) < 0.001
 Rural 8589 (40.4) 28,247 (29.3)