Table 1.

Undergraduate student, graduate student, and faculty mentor characteristics.

Participants [n]	Gender n (%)	Race n (%)	Ethnicity n (%)	Mean age (SD)	Field of study n (%)
Undergraduates with LD [52]	Male 26 (50) Female 24 (46) Not reported 2 (4)	White 37 (71) Black 8 (15) Asian 1 (2) Other 4 (8) Not reported 2 (4)	Hispanic 9 (17) Non-Hispanic 26 (50) Not reported 17 (33)	21.2 (3.5)∗	Physical/Biological sciences☼ 20 (38) Social/Behavioral/ Economic Sciences 14 (27) Technology 3 (6) Engineering 12 (23) Mathematics 3 (6)
Graduate student mentors [57]	Male 28 (49) Female 28 (49) Not reported 1 (2)	White 29 (50) Black 6 (11) Asian 13 (22) Other 3 (5) Not reported 6 (11)	Hispanic 5 (9) Non-Hispanic 39 (68) Not reported 13 (23)	24.5 (4.7)†	Physical/Biological Sciences 22 (38) Social/Behavioral/ Economic Sciences 17 (30) Technology 1 (2) Engineering 15 (26) Mathematics 2 (4)
Faculty mentors [34]	Male 19 (56) Female 8 (23) Not reported 8 (21)	White 18 (53) Black 1 (3) Asian 5 (15) Indian 1 (3) Other 2 (6) Not reported 7 (20)	Hispanic 2 (6) Non-Hispanic 31 (91) Not reported 1 (3)	— ¶	Physical/Biological Sciences 11 (32) Social/Behavioral/ Economic Sciences 11 (32) Technology 2 (6) Engineering 8 (24) Mathematics 2 (6)

^∗n = 51; ☼includes chemistry, physics, astronomy, earth/ocean/atmospheric, agricultural, environmental, life, health sciences; ^†n = 46; ^¶data not collected.