By region Because respondent totals in 16 states were short of the 15 we required for an accurate salary average, state salary averages do not give as clear a picture of salaries across the country as do regional statistics. Too few OTAs answered the survey to make a good comparison in some regions of the nation. Our survey showed, perhaps surprisingly, that except for years of experience, little affects your paycheck. Sixty-eight percent of respondents had no specialty credentials. Among those who did, the most popular was NDT, but no differential in pay showed in the survey for those who had specialty credentials.
Doctorates do seem to pay off.
In acute and inpatient hospital care and in long-term care.