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Table 3 Global scores for each tool, computed as the average of the four impact-specific items, among 1546 doctors in Geneva, Switzerland, 2007.

From: What doctors think about the impact of managed care tools on quality of care, costs, autonomy, and relations with patients

 

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)

  1. * Higher = more positive on a scale from 1 to 5