. Author manuscript; available in PMC: 2021 Apr 1.

Published in final edited form as: J Genet Couns. 2020 Mar 10;29(2):247–258. doi: 10.1002/jgc4.1244

Table 2a:

Change in comprehension pre- to post-test for eight genetics-related concepts (both English- and Spanish-speakers).

Total (n = 438)
	Pre-test N (%) correct	Post-test N (%) correct	Mean correct [SD]		Mean difference pre- to post-test	95% CI	P value
	Pre-test N (%) correct	Post-test N (%) correct	Pre-test	Post-test	Mean difference pre- to post-test	95% CI	P value
8-item panel	195 (45.6)^*	292 (66.7)^*	4.94 [1.92]	5.94 [1.56]	0.99 [1.70]	0.83, 1.15	<0.001
Genetics^**	366 (83.6)	402 (91.8)	0.84 [0.37]	0.92 [0.44]	0.08 [0.41]	0.04, 0.12	<0.001
Chromosome^**	307 (70.1)	302 (68.9)	0.70 [0.46]	0.69 [0.46]	−0.01 [0.52]	−0.06, 0.04	0.65
Susceptibility^**	228 (52.1)	265 (60.5)	0.52 [0.50]	0.61 [0.49]	0.08 [0.57]	0.03, 0.14	0.002
Mutation^**	243 (55.5)	343 (78.3)	0.55 [0.50]	0.78 [0.41]	0.23 [0.49]	0.18, 0.27	<0.001
Variation^**	255 (58.2)	290 (66.2)	0.58 [0.49]	0.66 [0.47]	0.08 [0.59]	0.02, 0.13	0.005
Abnormality^**	285 (65.1)	362 (82.6)	0.65 [0.48]	0.83 [0.38]	0.18 [0.47]	0.13, 0.22	<0.001
Heredity ^**	334 (76.3)	381 (87.0)	0.76 [0.43]	0.87 [0.34]	0.11 [0.42]	0.07, 0.15	<0.001
Sporadic^**	150 (34.2)	257 (58.7)	0.34 [0.48]	0.59 [0.49]	0.24 [0.58]	0.19, 0.30	<0.001

Overall score = 6/8 correct responses = 75%, range = 0-8;

^**

Individual score, range = 0-1.