TABLE 2.

Matching Covariate Balance before and after Propensity Score Matching

	Unmatched			Matched
Variables	BUILD	Non-BUILD	SMD	BUILD	Non-BUILD	SMD
Size (n)	297	2,952	-	297	2,952	-
Female students	0.623 (0.485)	0.592 (0.492)	0.064	0.623 (0.485)	0.613 (0.487)	0.021
Full-time enrollment (12 units)	0.973 (0.162)	0.813 (0.39)	0.989	0.973 (0.162)	0.971 (0.168)	0.012
Academic year cohort	1508.859 (150.532)	1405.954 (253.189)	0.684	1508.859 (150.532)	1511.118 (190.789)	0.015
Number of terms enrolled at CSULB	6.296 (2.342)	5.575 (2.89)	0.308	6.296 (2.342)	6.177 (2.948)	0.051
Age at entry	19.707 (3.321)	21.255 (4.579)	0.466	19.707 (3.321)	19.775 (3.66)	0.02
Type of student	1.229 (0.421)	1.489 (0.5)	0.618	1.229 (0.421)	1.236 (0.425)	0.018
College	4.721 (1.177)	4.429 (1.069)	0.247	4.721 (1.177)	4.736 (1.131)	0.013
Pell grant eligibility	0.606 (0.489)	0.623 (0.485)	0.035	0.606 (0.489)	0.593 (0.491)	0.027
Pell amount offered in dollars	9072.333 (9622.262)	7609.026 (8581.653)	0.152	9072.333 (9622.262)	8629.545 (9689.465)	0.046
Minority status	0.599 (0.491)	0.527 (0.499)	0.148	0.599 (0.491)	0.587 (0.492)	0.024
Math remediation needed	0.044 (0.205)	0.091 (0.288)	0.231	0.044 (0.205)	0.038 (0.192)	0.026
English remediation needed	0.054 (0.226)	0.106 (0.308)	0.23	0.054 (0.226)	0.05 (0.218)	0.018
First-generation student	0.478 (0.5)	0.543 (0.498)	0.13	0.478 (0.5)	0.465 (0.499)	0.027
Continuously enrolled	0.943 (0.233)	0.939 (0.24)	0.017	0.943 (0.233)	0.945 (0.228)	0.01
Change of college	0.205 (0.405)	0.236 (0.424)	0.075	0.205 (0.405)	0.203 (0.402)	0.006

Note: Good covariate balance = standardized mean difference (SMD) of < 0.1.