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Table 4 Summary of Review I Findings Relative to PtDA Goal 2: to support values clarification among lower literacy consumers

From: Addressing health literacy in patient decision aids

Effect of health literacy on values clarification
  No. of Studies Summary of Findings
Decisional uncertainty Decisional regret 2 [31, 32] Lower health literacy associated with higher uncertainty and decisional regret.
Confidence in decision making 2 [33, 34] Effect unclear.
Effect of health literacy intervention studies on values clarification
  No. of Studies Summary of Findings
Decisional uncertainty 1 [35] Video images to increase the salience of health states reduced decisional uncertainty, with strongest effect in lower health literacy patients.