Table 2.

Ages for Male and Female Researchers Based on Degree.

	Dentist		MD		PhD		PhD-Dentist		MD-PhD
	Female	Male	Female	Male	Female	Male	Female	Male	Female	Male
NIDCR
Researchers, n	14	35	46	132	390	965	47	147	39	122
Minimum	31	29	32	30	27	27	32	31	34	31
Maximum	56	73	59	59	72	71	57	62	59	60
Mean	44.3	43.6	44.2	41.5	40.3	39.4	41.9	41.3	41.8	42.0
95% CI	39.8 to 48.8	39.9 to 47.3	42.4 to 46.0	40.5 to 42.5	39.6 to 40.9	39.0 to 39.8	40.2 to 43.6	40.2 to 42.4	39.9 to 43.6	40.9 to 43.1
Median	45.5	42.0	43.0	40.0	39.0	38.0	41.0	40.0	40.0	41.5
SD	7.71	10.7	6.1	5.6	6.8	6.5	5.8	6.7	5.6	6.1
25% to 75%	38.0 to 51	35.0 to 50.3	40.0 to 48.0	38.0 to 44.0	36.0 to 44.0	35.0 to 43.0	37.3 to 46.0	36.0 to 46.0	38.0 to 44.0	38.0 to 45.0
Normal distribution,   P value	0.602	0.010	0.085	<0.001	<0.001	<0.001	0.093	<0.001	<0.001	<0.001
P value
Equal variances	0.185		0.426		0.346		0.261		0.498
Male-female age	0.832		0.006		0.031		0.571		0.857
NIH
Researchers, n	12	31	11	43	196	424	44	125	11	50
Minimum	31	29	38	31	27	27	32	31	37	32
Maximum	53	73	59	56	62	68	57	62	47	56
Mean	43.0	43.3	47.3	40.6	41.1	39.8	41.5	40.5	42.1	42.5
95% CI	38.3 to 47.7	39.3 to 47.4	43.0 to 51.5	38.9 to 42.2	40.2 to 42.1	39.2 to 40.4	39.8 to 43.3	39.3 to 41.6	39.2 to 45.0	40.9 to 44.0
Median	43.5	39.0	49.0	40.0	40.0	39.0	40.5	39.0	41.0	42.0
SD	7.4	11.0	6.3	5.5	6.9	6.5	5.8	6.5	4.3	5.5
25% to 75%	36.0 to 49.5	35.0 to 47.5	41.5 to 51.8	36.0 to 44.0	36.0 to 45.0	35.0 to 43.0	37.0 to 45.0	35.0 to 45.0	38.3 to 46.8	39.0 to 45.0
Normal distribution,   P value	0.475	0.005	0.595	0.190	0.002	<0.001	0.021	<0.001	0.022	0.106
P value
Equal variances	0.172		0.346		0.187		0.370		0.639
Male-female age	0.924		<0.001		0.018		0.370		0.832

Age at the time of first R01 award for male and female researchers: NIDCR awardees from all organizations and NIH awardees from dental schools.

NIDCR, National Institute of Dental and Craniofacial Research; NIH, National Institutes of Health.