Table 4.

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

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.