Community health worker interventions to improve access to health care services for older adults from ethnic minorities: a systematic review

Table 1 Methodological quality of included studies ¹

RCTs	1. Randomisation	2. Concealment of allocation	3. Blinding of outcome assessors	4. Comparability of groups	5. Loss to follow-up	6. Intention-to-treat analysis	7. Comparability of treatment	8. Power analysis	9. Objective and validated measuring instruments	Total score
Hunter et al. [22]	+/-	?	?	+	+	+	+	-	+/-	5.0
Jandorf et al. [21]	+/-	?	-	+	+	+	+	-	+	5.5
Gary et al. [24]	+	+	+	+	+	-	+	-	+	7.0
Balcázar et al. [23]	+/-	+	-	+/-	+	+	+	-	+	5.5
Maxwell et al. [20]	+	-	NA²	+	+	+	+	+	+/-	7.3
Hayashi et al. [19]	+/-	-	+/-	+	+/-	-	+/-	-	+	4.0
Coleman et al. [18]	+/-	-	NA²	+	+/-	-	+	-	+/-	3.9

¹The methodological quality was assessed using the Cochrane criteria for RCTs from the Dutch Cochrane Centre [16].
²NA = not applicable to the intervention.

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