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Table 2 Risk of ED visit or hospitalization for IS patients vs non-IS patients, stratified by age quartiles, sex and residency

From: Emergency department and inpatient health care utilization among patients who require interpreter services

  At Least 1 ED Visit At Least 1 Hospitalization
  Unadjusted HR (95 % CI) Adjusted HR (95 % CI)a Unadjusted HR (95 % CI) Adjusted HR (95 % CI)a
Age Quartileb     
18-36 y 1.6 (1.2-2.1) 1.5 (1.1-2.0) 3.3 (2.1-5.1) 3.7 (2.2-6.1)
>36-51 y 1.6 (1.2-2.2) 1.5 (1.1-2.1) 1.0 (0.7-1.4) 0.6 (0.4-0.9)
>51-64 y 2.1 (1.5-2.8) 2.2 (1.5-3.1) 1.5 (1.0-2.1) 1.3 (0.8-2.0)
>64 y 1.3 (1.0-1.8) 1.3 (0.9-1.8) 1.2 (0.9-1.6) 1.7 (1.2-2.4)
All patients 1.6 (1.4-1.9) 1.5 (1.3-1.8) 1.5 (1.2-1.8) 1.3 (1.1-1.7)
Sexc    
Male 1.5 (1.2,1.9) 1.2 (0.9,1.6) 1.5 (1.1,2.1) 1.2 (0.9,1.7)
Female 1.9 (1.6,2.3) 1.7 (1.4,2.1) 1.5 (1.1,1.9) 1.5 (1.1,2.0)
Residencyd    
Rural 1.1 (0.7,1.8) 0.9 (0.6,1.6) 2.7 (1.8,4.1) 2.3 (1.4,3.8)
Urban 1.7 .(1.4,2.0) 1.6 (1.4,1.9) 1.3 (1.1,1.6) 1.2 (1.0,1.5)
  1. ED emergency department, HR, hazard ratio, IS interpreter services
  2. aAdjusted for age, sex, marital status, Charlson comorbidity index, number of outpatient visits, and res residency
  3. bInteraction p-value <0.0001 for hospitalization and 0.2741 by ED visits (adjusted model)
  4. cInteraction p-value = 0.3439 for hospitalization and 0.0287 by ED visits (adjusted model)
  5. dInteraction p-value = 0.0185 for hospitalization and 0.0542 by ED visits, (adjusted model)