| Number of items | Cronbach alpha coefficient | Mean (SD)* |
---|---|---|---|
Use of guidelines | 4 | 0.83 | 3.18 (0.80) |
Gatekeeping | 4 | 0.87 | 2.76 (0.89) |
Managed care network | 4 | 0.89 | 2.77 (0.81) |
Second opinion | 4 | 0.83 | 2.65 (0.81) |
Pay by salary | 4 | 0.89 | 2.24 (0.93) |
Pay for performance | 4 | 0.87 | 1.90 (0.81) |
Utilization review | 4 | 0.76 | 1.77 (0.59) |
Selective contracting | 4 | 0.75 | 1.56 (0.58) |