Table 1.

Occupational characteristics of diagnostic medical radiation workers by occupational group and sex

Occupational group	Sex	Number	Age at first exposure (mean)	Exposure duration (mean, years)	Cumulative badge doses by job start year (median, mSv)
					1991	2001	2011
Radiologic technologist	Male	17,278	25	36	22.86	11.72	9.18
	Female	9078	22	39	10.85	6.92	5.66
Radiologist	Male	1057	26	35	10.99	3.15	1.93
	Female	463	26	35	12.33	3.22	1.38
Other physician	Male	15,986	35	26	4.36	1.65	0.78
	Female	2698	29	32	5.21	2.48	1.60
Dentist	Male	12,279	25	36	3.01	1.77	1.26
	Female	3426	26	35	2.80	1.65	1.23
Dental hygienist	Male	70	26	35	4.45	3.26	3.33
	Female	13,418	22	39	3.14	2.08	1.76
Nurse	Male	424	27	34	12.68	4.89	3.74
	Female	7137	22	39	10.55	3.97	3.32
Other	Male	6776	25	36	6.53	3.30	2.88
	Female	4306	21	40	4.40	2.78	2.20