. 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 2c:

Change in comprehension pre- to post-test for eight genetics-related concepts.

English-speakers (n = 149)
	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	79 (53.0)^*	98 (65.8)^*	5.32 [2.04]	5.99 [1.17]	0.66 [1.64]	0.40, 0.93	<0.001
Genetics^**	129 (86.6)	134 (89.9)	0.87 [0.34]	0.90 [0.30]	0.03 [0.38]	−0.02, 0.09	0.28
Chromosome^**	112 (75.2)	104 (69.8)	0.75 [0.43]	0.70 [0.46]	−0.05 [0.43]	−0.12, 0.02	0.13
Susceptibility^**	95 (63.8)	99 (66.4)	0.64 [0.48]	0.66 [0.47]	0.03 [0.52]	−0.06, 0.11	0.53
Mutation^**	109 (73.2)	124 (83.2)	0.73 [0.44]	0.83 [0.37]	0.10 [0.42]	0.03, 0.17	0.004
Variation^**	98 (65.8)	107 (71.8)	0.66 [0.48]	0.72 [0.45]	0.06 [0.54]	−0.02, 0.15	0.17
Abnormality^**	92 (61.7)	118 (79.2)	0.62 [0.49]	0.79 [0.41]	0.17 [0.45]	0.10, 0.25	<0.001
Heredity ^**	115 (77.2)	125 (83.9)	0.77 [0.42]	0.84 [0.37]	0.07 [0.40]	0.003, 0.13	0.04
Sporadic^**	43 (28.9)	81 (54.4)	0.29 [0.45]	0.54 [0.50]	0.26 [0.56]	0.16, 0.34	<0.001

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

^**

Individual score, range = 0-1.