. Author manuscript; available in PMC: 2022 Oct 1.

Published in final edited form as: Med Decis Making. 2021 Jun 21;41(7):870–896. doi: 10.1177/0272989X211020317

Table 1.

Study characteristics of included patient decision aid trials

Author and Year	Country	Baseline N^‘ (intervention \| control)	Poverty, income, or SES	Race/ethnicity	Education	Low (health) literacy	Underinsured	Lower numeracy	Different language	Separate analysis	Medical Area/Decision
Boulware et al. 2018^§(31)	United States	61 \| 31	59% with income of <$20,000/year	100% Black	73% high school degree or less		45% on low-income insurance (Medicaid)				Live kidney transplants for patients on hemodialysis
Brenner et al. 2016(32)	United States	131 \| 131		61% Latinx, 17% Black			29% on low-income insurance (Medicaid)		71% of Latinx participants (61% of total) preferred Spanish		Colorectal cancer screening
Diefenbach et al. 2018(33)	United States	181 \| 168								Race, education	Prostate cancer
Hoffman et al. 2017(34)	United States	59 \| 29		100% Black							Colorectal cancer screening
Ibrahim et al. 2017(35)	United States	168 \| 168^{^}	50.2% household income <$15,000/year	100% Black							Total knee replacement
Jibaja-Weiss et al. 2011(36)	United States	40 \| 36		53% Hispanic/Latina, 32% Black		Majority lower health literacy (exact % unknown)	100% no insurance				Breast cancer surgery
Jimenez et al. 2017(37)	United States	31 \| 33		88% Black (parents)						Health literacy	Early intervention for developmental concerns
Kuppermann et al. 2009(38)	United States	244 \| 252		15.7% Black, 18.0% Latina, 13.5% Asian, 5.7% Other						Education	Prenatal genetic testing
Kuppermann et al. 2014(39)	United States	357 \| 353	48% earning ≤$25,000/year	45% Hispanic/Latina, 16% Black, 9% Asian/Pacific Islander	46% high school degree or less			45% Lower numeracy			Prenatal genetic testing
Lepore et al. 2012(40)	United States	244 \| 246		100% Black	63% high school degree or less						Prostate cancer screening
Marteau et al. 2010(41)	United Kingdom	633 \| 639								Socioeconomic status	Diabetes screening
Miller et al. 2011(42)	United States	132 \| 132	70% earning <$20,000/year	73% Black	77% high school degree or less	56% limited health literacy				Health literacy	Colorectal cancer screening
Miller et al. 2018(43)	United States	223 \| 227	53% earning <$20,000/year		53% high school degree or lesss					Income, health literacy, race	Colorectal cancer screening
Myers et al. 2005(44)	United States	121 \| 121		100% Black	62% high school education or less						Prostate cancer screening
Rising et al. 2017(45)	United States	451 \| 457				62% lower health literacy				Race, income, insurance, education, health literacy and numeracy	Chest pain testing
Ruffin et al. 2007(46)	United States	87 \| 87		47% Black						Insurance, education, and race	Colorectal cancer screening
Schroy et al. 2011(47)	United States	212 \| 231		63% Black, 6% Hispanic/Latinx			66% Medicaid, Medicare, free care, or none				Colorectal cancer screening
Smith et al. 2010^§(48)	Australia	384 \| 188	Recruited in low-income communities		58% Lower educational attainment (0–10 years)						Colorectal cancer screening
Street et al. 1995(49)	United States	30 \| 30			73% Less than college education					Education	Breast cancer surgery
Taylor et al. 2006(50)	United States	164 \| 74		100% Black	71% Less than a college degree						Prostate cancer screening
Trevena et al. 2008(51)	Australia	157 \| 157			78% Completed secondary (High school) education or less					Education	Colorectal cancer screening
Vina et al. 2016(52)	United States	240 \| 253	52% household income < $15,000	100% Black							Knee replacement
Volk et al. 2008(53)	United States	224 \| 226		Low-literacy site: 72% Black, 9% Hispanic/Latinx	Low-literacy site: 77% High school education or less					Literacy	Prostate cancer screening
Williams et al. 2013^§(54)	United States	272 \| 271	46% earning less than $50,000/year	61% Black	51% Less than a college degree					Race	Prostate cancer screening
Wolf et al. 1996(55)	United States	103 \| 102	65% household income <$15,000		69% Less than high school education		59.3% Public insurance				Prostate cancer screening

Almost met the threshold or met the threshold at one site

^‘

Patient participants only

^{^}

Intention-to-treat analyses

^§

Included multiple intervention groups

^¶

included a clinician intervention however in order to isolate the effect of the patient-facing intervention, we only reported data from the arms that focused on patient interventions.