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. Author manuscript; available in PMC: 2017 Oct 2.
Published in final edited form as: J Occup Environ Hyg. 2016 Oct 2;13(10):741–749. doi: 10.1080/15459624.2016.1177646

Table I.

Experience level of subjects overall and by job title (N=46 subjects)

Job title N subjects Mean SD Min Max
Overall 46 13.7 15.5 <1 43
 Dentist 3 34.7 14.2 14 43
 Hygienist 5 29.9 11.0 12 41
 Student 32 4.2 3.7 <1 7