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Table 5 Summary of Review I Findings Relative to PtDA Goal 3: to support patient involvement and communication among lower literacy consumers

From: Addressing health literacy in patient decision aids

Effect of health literacy on involvement and communication
  No. of Studies Summary of Findings
Preferences for participation in decision making / patient activation 3 [3638] Lower preference for involvement among lower health literacy patients.
  1 [39] Patient activation associated with lower numeracy not health literacy.
Question asking 2 [40, 41] Less question asking among those with lower communicative HL. More clarification questions asked (indicating lack of understanding)
Level of involvement 2 [40, 42] Patients with lower communicative health literacy reported less involvement. Less mutuality observed between doctors and lower health literacy patients
Communication quality / Patient centered care 6 [36, 43, 44, 4648] Less patient centered care among lower health literacy patients in 5 studies with adjusted analyses. 1 study reported effects varied by how numeracy was measured.
  3 [31, 40, 48] Effects on communication quality (satisfaction and perceived quality) varied.
Effect of health literacy intervention studies on involvement and communication
  No. of Studies Summary of Findings
  None Not applicable