Table 2.

Summary of hierarchical regression analysis for variables predicting count of honors grades received in core clinical clerkships for medical students graduating in 2013–2017 from two US medical schools (N=1,511)

Variables	β	t	R	R2	∆R2
Stage 1			0.40	0.16	0.16
Institution	0.38	16.09***
Gender	0.08	3.41**
Stage 2			0.46	0.21	0.05
Institution	0.38	16.53***
Gender	0.14	6.04***
MCAT	0.24	10.18***
Stage 3			0.63	0.40	0.19
Institution	0.35	17.43***
Gender	0.18	8.56***
MCAT	0.05	2.27*
USMLE Step 1	0.48	21.86***
Stage 4			0.59	0.43	0.03
Institution	0.34	17.26***
Gender	0.16	7.95***
MCAT	0.04	1.76
USMLE Step 1	0.36	14.31***
USMLE Step 2 CK	0.22	9.26***

Notes: *P<0.05, **P<0.01, ***P<0.001.

Abbreviations: USMLE, United States Medical Licensing Examination; CK, Clinical Knowledge; MCAT, Medical College Admission Test.