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Table 1 Methodological quality of included studies 1

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

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