Table 1. Comparison of population and respondent characteristics by survey region.

	Region 1a	Region 2a	Region 3a	Region 4a	p-valueb	Total
Catchment (population-weighted)
Population	1,727,938	1,133,212	1,073,513	1,055,578		NA
Median Income	$62,075	$44,513	$43,552	$34,842		NA
% with Bachelors degree or higher	32	21	21	15		NA
% minority	15	13	17	5		NA
Respondent characteristics
Number responding	668	354	532	281		1835
Response rate	89	88	82	67		83
% female	88	77	77	78	<0.001	81
% 40+ years of age	72	74	69	77	0.14	72
% w/Bachelors degree or higher	81	72	68	63	<0.001	73
% in present organization 5+ years	68	64	62	58	0.04	64
% in profession 10+ years	62	61	56	51	0.006	58
% perceived having role responding to public health emergencies	86	79	83	85	0.044	84
% with a family member dependent on them	67	69	65	68	0.69	67

^aRegion 1 represents Minnesota Twin Cities Metropolitan Region. Region 2 represents Northeast Central Ohio Region. Region 3 represents West Central Ohio. Region 4 represents six public health preparedness regions in West Virginia, covering the Eastern, North Central, Central, Western, and Southwestern parts of the state.

^bPearson chi-square analysis.