| 580 hospitals (total) initial time to adoption of TZD (month) |  |  |  | 327 hospitals (adopters only) initial time to adoption of TZD (month) |  |  |  |
---|---|---|---|---|---|---|---|---|
 | HR1 | 95% CI | p-value |  | HR1 | 95% CI | p-value |  |
HHI in February, 2001 (unit: HHI*100) | 0.02 | (0.01 0.04) | 0.0000 | *** | 0.07 | (0.03 0.18) | 0.0000 | *** |
Accreditation level | Â | Â | Â | Â | Â | Â | Â | Â |
   ref: Medical Center |  |  |  |  |  |  |  |  |
   Regional Hospital | 0.75 | (0.43 1.32) | 0.3000 |  | 1.01 | (0.56 1.81) | 0.9700 |  |
   District Hospital | 0.43 | (0.24-0.75) | 0.0024 | ** | 0.53 | (0.3 0.94) | 0.0260 | * |
BNHI Regions | Â | Â | Â | Â | Â | Â | Â | Â |
   Ref: Taipei |  |  |  |  |  |  |  |  |
   Northern | 0.6 | (0.41 0.89) | 0.0090 | * | 0.65 | (0.44 0.96) | 0.0280 | * |
   Central | 0.88 | (0.63 1.23) | 0.4500 |  | 0.82 | (0.58 1.14) | 0.2300 |  |
   Southern | 0.75 | (0.52 1.09) | 0.1200 |  | 0.83 | (0.57 1.21) | 0.3300 |  |
   Kao-Ping | 0.58 | (0.41 0.82) | 0.0015 | ** | 0.98 | (0.69 1.4) | 0.9200 |  |
   Eastern | 0.69 | (0.37 1.27) | 0.2300 |  | 0.7 | (0.37 1.32) | 0.2600 |  |
Ownership | Â | Â | Â | Â | Â | Â | Â | Â |
   ref: Public Hospital |  |  |  |  |  |  |  |  |
   Non-profit Hospital | 1.79 | (1.23 2.61) | 0.0019 | ** | 1.87 | (1.26 2.78) | 0.0015 | ** |
   Private Hospital | 1.35 | (0.94 1.94) | 0.0950 |  | 2.14 | (1.49 3.06) | 0.0000 | *** |