Table 1.

Characteristics of respondent and non-respondent hospitals

Characteristic	Total		Respondent		Non Respondent		p
	n	%	n	%	n	%
Teaching Status*
No	408	65.5	237	64.2	171	67.3	0.43
Yes	215	34.5	132	35.8	83	32.7
Number of Beds*
<200	332	53.5	197	53.7	135	53.2
200-400	179	28.8	106	28.9	73	28.7	0.98
>400	110	17.7	64	17.4	46	18.1
Population Served*
Rural	202	32.4	117	31.7	85	33.5	0.65
Urban	421	67.6	252	68.3	169	66.5
Geographic Region*
South	264	42.4	152	41.2	112	44.3
Midwest	143	23.0	78	21.1	65	25.7
Northeast	116	18.6	83	22.5	33	13.0	0.05
West	97	15.6	54	14.6	42	16.6
Other	3	0.4	2	0.6	1	0.4
Sampling Strata**
Better	210	33.3	127	33.4	83	33.2
At	210	33.3	119	31.3	91	36.4	0.33
Worse	210	33.3	134	35.3	76	30.4

^*3 hospitals with IDs removed are included with non-respondents; we were unable to match all hospitals to AHA data, resulting in some missing values

^**Sampling strata labels correspond to better-than-, as-, and worse-than-expected quality performance