TABLE 2—

Pre- and Postassessment Changes in Knowledge or Skills From Workshops on Evidence-Based Decisionmaking, by Type of Agency: United States, 2003–2004

	State Health Department		Local Health Department		Other Settingsa
Knowledge or Skill	(n = 58), mean	P	(n = 55), mean	P	(n = 80), mean	P	Difference Between Groups
How to decide if an intervention is scientifically effective	0.638	< .001	1.061	< .001	0.809	< .001	P = .043
How to decide if an intervention provides good economic value	0.660	< .001	0.735	< .001	0.717	< .001	P = .915
How to interpret summary data from economic evaluations	0.478	< .001	0.714	< .001	0.761	< .001	P = .254
How to assess advantages and challenges to using evidence-based interventions	0.696	< .001	1.208	< .001	0.711	< .001	P = .013
How to assess advantages and challenges to using economic evaluation data	0.698	< .001	1.143	< .001	0.622	< .001	P = .008
How to understand methods used to estimate the cost of an intervention	0.543	< .001	0.531	< .001	0.422	.003	P = .789
How to understand methods used to compare the costs and health outcomes of an intervention	0.630	< .001	0.755	< .001	0.644	< .001	P = .818
Where to find evidence-based physical activity interventions	0.870	< .001	1.500	< .001	1.364	< .001	P = .015
Awareness of the Guide to Community Preventive Services: What Works to Promote Health?	1.087	< .001	1.8337	< .001	1.977	< .001	P = .002
Awareness of Physical Activity and Health: A Report of the Surgeon General	0.533	.003	0.653	< .001	0.696	< .001	P = .767
Awareness of the Guide to Clinical Preventive Services	0.844	< .001	1.367	< .001	1.227	< .001	P = .097

Note. Value is the change in the mean value from pre- to postassessment, on the basis of a 5-point Likert scale.

^aOther settings include health coalitions, voluntary health agencies, schools, and private businesses.