Table 5 Comparison of pre- and post- test scores

Variables	Pre-test average1)	Post-test average1)	Difference (%)	p-value
All participants	65.6	80.9	+15	<0.001
Ghana Health Service	69.7	80.4	+10	<0.001
Food and Drugs Authority	66.8	82.3	+16	<0.001
Veterinary Services Division	63.9	84.9	+21	<0.001
Environmental Health Services Division	58.6	76.2	+18	<0.001

Note: 1) Average scores of all participants who took the test during training.
2) Paired T-test.
3) Learning of key epidemiologic skills.