Practice variation

1. Government policies

2. Restricted NP practice

3. Professional

3.1. Complexity

3.2. Providers' preferences

3.3. Clinical decisions

4. Political

5. Personal

5.1. Patient care

5.1.1. Medical knowledge

5.1.2. Clinical experinces

5.1.3. Cultural background

5.1.4. Patients preferences

6. Financial

6.1. Health care costs

6.2. Insurance coverage

6.3. Social economic deprivation

6.4. Resource availabities