Adverse Effects Assessment

Evidence quality

Highlighted claims

• Only one of the 35 quantitative reports assessed a potential adverse effect quantitatively. — Do studies of interventions to improve laypeople’s critical thinking about health choices assess potential harms? A systematic review
• No other quantitative study measured and compared adverse-effect outcomes across arms. — Do studies of interventions to improve laypeople’s critical thinking about health choices assess potential harms? A systematic review
• The single quantitative adverse-effect assessment found no detected adverse effect. — Do studies of interventions to improve laypeople’s critical thinking about health choices assess potential harms? A systematic review
• The absence of measured adverse effects should not be interpreted as evidence that harms do not exist. — Do studies of interventions to improve laypeople’s critical thinking about health choices assess potential harms? A systematic review