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Table 1 Characteristics of the Taiwanese population for prospective analyses

From: Comparison of alternative risk adjustment measures for predictive modeling: high risk patient case finding using Taiwan's National Health Insurance claims

Inclusion Criteria 2002 & 2003
24 month enrollment
Number of observations 164,562
Male 49.35%
The Insured* 40.93%
Mean age in 2002 34.98
Age Group in 2002  
   0 ~ 17 23.84%
   18 ~ 34 26.83%
   35 ~ 49 25.51%
   50 ~ 64 14.19%
   ≥65 9.62%
BNHI Branch  
   Taipei 32.52%
   Northern 14.81%
   Central 19.94%
   Southern 14.42%
   Kao-Pin 16.03%
   Eastern 2.27%
Residence Level  
   Special Municipality 21.31%
   City 15.13%
   County 63.56%
Medical Utilization  
   ≥1 outpatient visit 89.71%
   ≥1 inpatient time 7.17%
   ≥1 pharmacy expenditures 87.77%
   ≥1 total expenditures 90.05%
   Total expenditures (NTD/yr) 14,741
   Medical expenditures (NTD/yr) 10,214
   Pharmacy expenditures (NTD/yr) 4,108
  1. *: There are two types of beneficiaries: the insured and the dependent. The dependent obtained its health insurance coverage through the insured.