Wang 2012.

Methods	Design: randomised controlled trial Randomisation: individual Trial: daily oral iron versus placebo Date of study: not stated
Participants	Setting: Shanghai Malaria endemicity: not stated Included: women of childbearing age, aged 21 years to 45 years (mean age not reported) with anaemia Excluded: pregnancy Dropouts: dropout rates not stated Sample size: total: 69; intervention: 34, control: 35
Interventions	Intervention: ferric pyrophosphate and ferrous fumarate (8 mg elemental iron) daily Control: placebo Duration: 6 months
Outcomes	Haemoglobin, iron status, anaemia
Notes	Compliance: not stated Conflicts of interest: not stated Funded by: not stated Other notes: written In Mandarin
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not stated
Allocation concealment (selection bias)	Unclear risk	Not stated
Blinding of participants and personnel (performance bias) All outcomes	Low risk	Placebo used
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Not stated. Unlikely that biochemical outcomes affected
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not stated
Selective reporting (reporting bias)	Unclear risk	Not stated
Other bias	Low risk	Not stated