Li 1998a.

Methods	Quasi‐randomized controlled trial Generation of allocation sequence: alternate allocation Allocation concealment: no information provided Blinding of outcome assessor: none Completeness of outcome data: number analysed provided but number recruited not provided
Participants	Participants: 324 analysed (161 intervention; 163 control); no data provided on how many participants were initially recruited Inclusion criteria: slide positive for Plasmodium vivax malaria; aged > 15 years; ambulatory Exclusion criteria: major clinical symptoms requiring hospitalization; malaria treatment in the previous 6 months Mean age: 31 years Age range: 16 to 63 years Male to female ratio: 300:24 Education: not stated
Interventions	See Appendix 2 for details
Outcomes	Treatment adherence: number of participants completing full treatment; measured by participant interview Participants tested for parasitaemia at day 9
Notes	Location: Hunan province, China Health facilities: staff highly qualified, each station had good working relationship with provincial authorities Endemicity: epidemic (imported) malaria Antimalarial drug resistance: not stated Malaria diagnosis: microscopically confirmed Plasmodium vivax malaria