Table 6.

Final summary table of included studies.

Studies	Citations	Study Design	Cancer Screening Types	Sample	Outcomes
Seven studies reported an increase in cancer screening participation	Muller, 2017 [7]	RCT	CRC	Alaskan Native; Native American	Age group: 40–49: 24% increase 50–75: 42% increase All ages: 30% * increase
	Sandiford, 2019 [8]			Māori, Pacific	Ethnic group: Māori: 5.2% * increase Pacific: 3.6% * increase Asian: 0.7% increase
	MacDonald et al., 2021 [9]		CC	Māori	Standard care: 21.8% screened HPV Self-sampling: 59.0% screened (2.8 * times higher)
	Haverkamp et al., 2020 [10]		CRC	Alaskan Native/American Indian	Standard care: 6.4% screened Mailed FIT kit: 16.9% * screened Mailed FIT kit + outreach: 18.8% * screened
	Chow, 2020 [11]	Pilot	CRC, CC, BC	First Nations	Year: 2014–2015: 62% increase 2015–2016: 68% increase
	Mema, 2017 [5]		CC, BC	First Nations, Métis, Hutterite	Total screened: Usual Practice (Screen-Test mobile mammography) Cervical: 10.1% Colorectal: 10.9% Integrated Approach (Screen-Test EACS) Cervical: 27.5% Colorectal: 22.5%
	Dorrington, 2015 [12]	PDSA cycles	CC	Torres Strait Islander	Year: 2012: 40% * increase
Five studies improved knowledge, attitude, or intent to screen	Cassel, 2020 [15]	Peer-led	CC	Native Hawaiian	92% improved their knowledge 76% agreed to complete a FIT
	Tolma, 2018 [16]	Multi-level	BC	Native American	30% improved their intent to screen 52% had a mammogram by 6 months post-intervention.
	Zehbe, 2016 [17]	RCT	CC (HPV self-sampling)	First Nations	Initial uptake in HPV self-sampling was 1.4-fold higher than clinician-sampling
	Adcock, 2019 [14]	Mixed		Māori	75% reported being likely/very likely to do an HPV self-test
	Winer, 2016 [18]	Cross-sectional		Hopi	62% reported a preference for HPV self-sampling

BC = breast cancer; CRC = colorectal cancer; CC = cervical cancer, RCT = randomized controlled trial; PDSA = Plan-Do-Study-Act, EACS = Enhanced Access to Colorectal and Cervical Screening, * Statistically significant (p value < 0.05).