Table 1-.

Characteristics of Respondents

	All	Case 1			Case 2			Case 3			Case 4			Case 5			Case 6
	N=220	Un=111	Sn=109	P-value	Un=111	Sn=109	P-value	Un=105	Sn=115	P-value	Un=109	Sn=111	P-value	Un=107	Sn=113	P-value	Un=111	Sn=109	P-value
PGY1	38.5	35.1	42.1	0.56	35.8	41.3	0.55	32.7	43.9	0.07	40.4	36.7	0.61	37.1	39.8	0.54	42.2	34.9	0.50
PGY2	33.5	36.9	29.9		37.6	29.4		42.3	25.4		33.9	33.0		30.5	36.3		33.9	33.0
PGY3	23.9	25.2	22.4		22.0	25.7		21.2	26.3		22.9	24.8		27.6	20.4		22.0	25.7
PGY4	3.2	2.7	3.7		3.7	2.8		1.9	4.4		1.8	4.6		3.8	2.7		1.8	4.6
PGY5	1.0	0.0	1.9		0.9	0.9		2.0	0.0		0.9	0.9		1.0	0.9		0.0	1.9
Female	77.0	76.4	77.6	0.98	78.7	75.2	0.25	76.9	77.0	1.00	78.9	75.0	0.79	75.0	78.8	0.26	76.9	77.1	1.00
Male	22.1	22.7	21.5		19.4	24.8		22.1	22.1		24.1	25.0		20.2	19.5		22.2	22.0
Other	0.9	0.9	0.9		1.9	0.0		1.0	0.9		0.9	0.09		0.0	1.8		0.9	0.9