Table 1.

Scores on pre-interaction (Pre), post-interaction (Post), and follow-up (FU) knowledge test, overall, and by gender.

Participants	Data	N	Mean	SD	CI	t	df	P
All
	Pre	32	7.44	0.31	6.8-8.07
	Post	32	8.47	1.65	7.86-9.06
	FU	26	8.38	2.02	7.57-9.20
	Pre vs Post		-1.03	1.33	-1.51 to -0.55	-4.38	31	<.001a
	Post vs FU		0.35	1.74	-0.36 to 1.05	1.01	25	.32
	Pre vs FU		-0.69	2.29	-1.61 to 0.23	-1.54	25	.14
Male
	Pre	12	7.08	2.02	5.80-8.37
	Post	12	7.92	2.02	6.63-9.2
	FU	9	8	2.45	6.12-9.89
	Pre vs Post		-0.83	1.19	-1.59 to -0.08	-2.42	11	.03a
	Post vs FU		0.11	2.02	-1.45 to1.67	0.16	8	.87
	Pre vs FU		-0.67	2.00	-2.20 to 0.87	-1.00	8	.35
Female
	Pre	20	7.65	1.60	6.90-8.40
	Post	20	8.80	1.32	8.18-9.42
	FU	17	8.59	1.80	7.66-9.52
	Pre vs Post		-1.15	1.42	-1.82 to -0.48	-3.61	11	.002a
	Post vs FU		0.47	1.62	-0.36 to 1.31	1.19	8	.25
	Pre vs FU		-0.71	2.49	-1.99 to 0.58	-1.17	8	.26

^aStatistically significant.