Table 8 Characteristics of subjects with continuous and incomplete enrollment in 2003 among 2002 continuous enrollees.
| Â | 2002 12 month enrollment only | 2002 and 2003 24 month enrollment only |
|---|---|---|
Number of observations | 8672 | 164,562 |
Male | 65.59% | 49.35% |
Insured | 37.80% | 40.93% |
Age in 2002 | 32.73 | 34.98 |
Age group in 2002 | Â | Â |
   0 - 17 | 12.88% | 23.84% |
   18 - 34 | 54.60% | 26.83% |
   35 - 49 | 14.56% | 25.51% |
   50 - 64 | 6.85% | 14.19% |
   65+ | 11.10% | 9.62% |
Bureau of National Health Insurance Branch in 2002 | Â | |
   Taipei | 34.79% | 32.59% |
   North | 15.77% | 14.80% |
   Central | 17.60% | 19.90% |
   Southern | 11.55% | 14.39% |
   Kao-Pin | 17.44% | 16.04% |
   Eastern | 2.85% | 2.29% |
Residence level in 2002 | Â | Â |
   Special municipality | 26.09% | 21.43% |
   City | 14.03% | 14.99% |
   County | 59.88% | 63.58% |
Medical utilization in 2002 | Â | Â |
1+ Outpatient visit/expenditure | 83.38% | 90.34% |
1+ Inpatient visit/expenditure | 14.00% | 7.73% |
1+ Drug expenditure | 83.15% | 89.79% |
1+ Total expenditure | 83.99% | 90.72% |
Total expenditure (NTD/year)* | 31,962 | 13,348 |
Medical expenditure (NTD/year)* | 23,835 | 9,238 |
Pharmacy expenditure (NTD/year)* | 7,586 | 3,718 |
Inpatient expenditure (NTD/year)* | 20,141 | 3,972 |
Outpatient expenditure (NTD/year)* | 11,640 | 9,119 |