Table 4. . Chi-square analysis scores for each component and system usability scale.

	Component no. 1 (TIS): scored favorably (n = 380)	p-value	Component no. 2 (flipbook): scored favorably (n = 362)	p-value	Component no. 3 (results summary handout): scored favorably (n = 354)	p-value	Component no. 4 (wallet card): scored favorably (n = 346)	p-value	Mean SUS score (n = 344)	p-value
Years in practice
<10 years	112/131 (85.5%)	0.023*	82/126 (65.1%)	0.32	109/123 (88.6%)	0.006*	85/120 (70.8%)	0.12	67.98	0.01*
≥10 years	188/249 (75.5%)		141/236 (59.7%)		177/231 (76.6%)		141/226 (62.4%)		63.52
Experience with PGx testing
None	247/314 (78.7%)	0.77	182/297 (61.2%)	0.79	233/291 (80.0%)	0.46	185/284 (65.1%)	0.88	64.43	0.13
Offered at least once in past year	53/66 (80.0%)		41/65 (63.1%)		53/63 (84.1%)		41/ 62 (66.1%)		67.99
Degree
Bachelor's	102/126 (81.0%)	0.46	75/117 (64.1%)	0.50	84/113 (74.3%)	0.035*	72/110 (65.4%)	0.97	64.09	0.43
PharmD/Other	198/254 (78.0%)		148/245 (60.4%)		202/241 (83.8%)		154/236 (65.2%)		65.52
Training in PGx (excluded ‘cannot recall’ responses)
Some	61/83 (73.5%)	0.22	47/80 (58.9%)	0.63	61/78 (82.1%)	0.51	47/78 (60.2%)	0.34	64.64	0.66
None	218/273 (80.0%)		160/259 (61.8%)		225/276 (81.5%)		162/ 245 (66.1%)		65.56
Practice setting
Community pharmacy	141/178 (79.2%)	0.90	109/165 (66.1%)	0.11	133/163 (81.6%)	0.72	110/159 (69%)	0.16	65.98	0.32
Noncommunity pharmacy	159/202 (78.8%)		114/197 (57.9%)		153/191 (80.1%)		116/187 (62%)		64.29

A favorable average score was 4 and 5 (on a scale from 1 to 5. Note: the denominator differs for each component based on the number of completed evaluations for each component (e.g., 380 respondents completed the evaluation for component no. 1 and 344 respondents completed for component no. 4).

*p < 0.05 (significant findings in bold).

PGx: Pharmacogenomics; SUS: System usability scale; TIS: Test Information Sheet.