Based on the common levels of self-employment associated with these professions, the ranking from lowest to highest rate of self-employment would be:
- Dentist - Most dentists work in private practices or clinics rather than being self-employed.
- Ultrasound Technician - Generally employed in hospitals, clinics, or private practices, with fewer being self-employed.
- Medical Transcriptionist - Often have opportunities for freelance work or self-employment, but many work for healthcare facilities or companies.
- Massage Therapist - Many massage therapists are self-employed or work in independent settings, often having a higher rate of self-employment.
So the final ranking is:
- Dentist
- Ultrasound Technician
- Medical Transcriptionist
- Massage Therapist