TABLE II.

Average Application Density, Signal Density, and Interview Rates by Program Characteristics for Included Programs

	2021 Application Density	p	2025 Application Density	p	2025 Signal Density	p	Interview Rate (Signal) (%)	p	Interview Rate (No Signal) (%)	p
Overall	139.18		95.84		61.22		23		2
Program region
East North Central	142.48		101.07		63.64		23		1
East South Central	127.76		79.49		51.05		21		4
Middle Atlantic	129.05		100.14		61.54		25		3
Mountain	178.3		97.87		62.52		18		2
New England	158.84		85.42		54.85		26		4
Pacific	137.72		79.31		53.94		22		1
South Atlantic	147.38		119.02		81.38		17		2
West North Central	115.37		75.1		45.71		29		1
West South Central	138.97	0.242	86.63	0.015	54.15	0.003	26	0.008	2	0.124
Program location
Metropolitan	136.76		89.25		58.58		21		2
Nonmetropolitan	141.17	0.602	101.23	0.028	63.4	0.213	24	0.419	2	0.903
Program tier
Tier 1	120.24		70.5		49.64		21		3
Tier 2	158.68		97.13		65.77		23		1
Tier 3	128.19		96.24		59.31		26		3
Tier 4	150.28		109.86		66.16		25		2
Tier 5	140.26	0.041	114.53	<0.001	68.66	0.006	21	0.256	1	0.145
Program setting
Community-based	123.99		133.06		84.17		17		2
Community-based, university-affiliated	141.91		100.55		61.78		23		2
University-based	142.02		86.77		57.2		24		2
Not available	94.88		57.38		34.25		24		7
Other	n/a		n/a		n/a		Not reported		Not reported
Military-based	n/a	0.386	n/a	<0.001	n/a	0.001	Not reported	0.102	Not reported	0.716
Program size
Small (1-3 positions)	167.41		125.84		74.36		22		3
Medium (4-6 positions)	137.3		91.55		59.89		23		2
Large (7+ positions)	102.34		64.24		45.62		24		2
Not reported	n/a	<0.001	n/a	<0.001	n/a	<0.001	Not reported	0.721	Not reported	0.723
Supplemental information
Required	139.86		93.77		60.99		22		2
Not required	138.98		96.47		61.3		24		2
Not reported	127.36	0.873	106.93	0.674	63.25	0.926	22	0.592	4	0.872

n/a = not applicable.