Table 1.

Comparison of baseline characteristics between DH and non-DH participants at UMBC (original data set)

Control group (non-DH participant) n = 1736	Treatment (DH participant) n = 154			ASD
PhD graduatea
	%		%
No PhD	57.60	No PhD	24.03	−0.73
PhD graduate	42.40	PhD graduate	75.97	0.73
Total	100	Total	100
PhD attrition and retentiona
	%		%
Retained	66.59	Retained	96.10	0.82
Left university	33.41	Left university	3.90	−0.82
Total	100	Total	100
Year began PhD program
	%		%
2000	7.95	2000	1.30	−0.32
2001	7.78	2001	1.30	−0.32
2002	9.04	2002	4.55	−0.18
2003	9.27	2003	12.34	0.10
2004	7.37	2004	12.34	0.17
2005	7.95	2005	13.64	0.18
2006	8.18	2006	12.99	0.16
2007	6.97	2007	12.34	0.18
2008	7.14	2008	10.39	0.11
2009	7.72	2009	11.04	0.11
2010	8.87	2010	5.19	−0.14
2011	8.70	2011	1.30	−0.34
2012	3.05	2012	1.30	−0.12
Total	100	Total	100
Gender
	%		%
Male	53.63	Male	33.12	−0.42
Female	46.37	Female	66.88	0.42
Total	100	Total	100
Racial and ethnic categories
	%		%
Asian	8.81	Asian	6.49	−0.09
Black	8.53	Black	23.38	0.41
Hispanic	2.42	Hispanic	3.25	0.05
International	29.72	International	33.12	0.07
Multiracial	0.46	Multiracial	0.65	0.03
Native American	1.44	Native American	—	−0.17
Unknown	5.76	Unknown	5.84	0.00
White	42.86	White	27.27	−0.33
Total	100	Total	100
URM status
	%		%
Non-URM	87.62	Non-URM	73.38	−0.37
URM	12.38	URM	26.62	0.37
Total	100	Total	100
STEM vs. non-STEM
	%		%
Non-STEM	6.00	Non-STEM	11.69	−0.20
STEM	94.00	STEM	88.31	0.20
Total	100	Total	100
Broad academic discipline categories
	%		%
Engineering	17.57	Engineering	16.23	−0.04
Humanities	5.99	Humanities	11.69	0.20
Life sciences	10.54	Life sciences	14.29	0.11
Physical sciences	41.42	Physical sciences	33.12	−0.17
Social sciences	24.48	Social sciences	24.68	0.00
Total	100	Total	100

^aNot included in the covariates for propensity score.