Table 4.

Conceptual knowledge scores and usefulness ratings at post-test

Variable	Charla	Comparison	p value
Mean usefulness rating (n = 466)	3.56	3.27	<0.0001
Mean knowledge score (n = 462)	2.37	2.2	0.33
Proportion answering knowledge items correctly
1 FHH tells you about inherited genes (n = 470)	89.7%	81.0%	0.007
2 FHH tells you which diseases you will certainly develop (n = 470)	27.7%	29.3%	0.71
3 FHH indicates an inherited tendency towards developing disease (n = 469)	87.5%	79.5%	0.02
4 FHH is based on a family's physical environment (n = 469)	31.6%	29.7%	0.67