Heikens 1989.

Methods	Study date: 1989. Study design: RCT. Individually randomised
Participants	SES or context: Low‐ and middle‐income country: Kingston, Jamaica Nutritional status: Malnourished children enrolled in community rehabilitation. < 80% of NCHS weight‐for‐age Age: 3 ‐ 36 months Number: Supplemented = 39, unsupplemented = 43 Sex: Both. 42% ‐ 54% boys
Interventions	Intervention: Feeding only. High‐energy supplement, delivered to home with instructions on how to prepare, and measuring cup Energy 526 kcal, 13.75 g protein. Delivered once a week Duration: 3 months of supplementation, 3 months of follow‐up % DRI for energy: Not enough information % DRI for protein: Not enough information Control: Home‐feeding as usual. Also received health care and micronutrient supplementation Provider: Ministry of Health, Jamaica Supervised: Some monitoring through food frequency questionnaires Compliance: Supplemented children took in more kcal
Outcomes	Physical: Weight, height, BMI
Notes	Difference in weight gain was significant during supplementation, but disappeared once supplementation stopped. Difference in height still remained
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Says children were allocated randomly but no information on how
Allocation concealment (selection bias)	Unclear risk	Little information
Baseline outcome measurements	Unclear risk	Not mentioned
Baseline characteristics	Unclear risk	Not applicable
Incomplete outcome data (attrition bias) All outcomes	Low risk	Says 82 enrolled. 14 admitted to hospital. Equal numbers in each group
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not mentioned
Blinding of participants and personnel (performance bias) All outcomes	High risk	Not possible to blind participants, caregivers, or personnel
Protection from contamination	Unclear risk	Not applicable
Selective reporting (reporting bias)	Unclear risk	No access to protocol