Driva 1985.

Methods	RCT. No details of allocation process available. Nursery nurse and assessors blind to allocation
Participants	40 infants with IDA (Hb < 11.0 g/dL and all suffering from iron deficiency) aged 3‐25 months recruited from an orphanage in Greece
Interventions	IM injection of iron 50 mg in the intervention group
Outcomes	Bayley Scales of infant Development administered pre and 10 days post commencement of intervention
Notes	‐
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Comment: no sufficient information provided
Allocation concealment (selection bias)	Unclear risk	Comment: no sufficient information provided
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Quote (from the report): "Neither the tester nor the nursery nurse knew the type of therapeutic intervention" Comment: Insufficient information on blinding of investigators
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Quote (from the report): "Neither the tester nor the nursery nurse knew the type of therapeutic intervention"
Incomplete outcome data (attrition bias) All outcomes	Low risk	Outcome measures are available for all children. Complete follow‐up in both intervention group and control group
Selective reporting (reporting bias)	Low risk	All expected outcomes were reported