Connor 2002.

Methods	Randomised, placebo‐controlled double‐blind; 2 parallel groups
Participants	Outpatients with generalized anxiety disorder (DSM‐IV) ; HAMA total score 16 or above (per‐protocol; n=35); University outpatient setting, US
Interventions	140 mg kavalactones daily for 1 week, then 280 mg kavalactones daily for 3 weeks
Outcomes	HAM‐A total score. Mean difference, 95% confidence interval ‐2.8; ‐5.4 to ‐0.2
Notes	'No evidence of withdrawal or sexual side effects' Jadad score: 5
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear