Table 2

Details of studies without a comparison group

Author	Population	Definition of FTT	Duration of follow up	Adequacy of follow up
Population based studies
Hutcheson, 1997²⁰	130 children who were recruited from primary care clinics to participate in an RCT of home intervention for FTT for 12 months	Age <25 mth old with weight <5th centile and weight/height <10th centile	At age 4 years	74 of 116 children who completed the trial

Wright, 1998⁹	229 children identified as FTT by child health surveillance, and enrolled in RCT of health visitor intervention for 7–35 months (120 intervention, 109 non-intervention)	Fall of 1.26 SD in weight using the thrive index method	At age >3 years	105/120 for intervention, 97/109 for non-intervention

Clinical sample based studies
Kristiansson, 1987²¹	34 babies aged 4–18 months who had been hospitalised with NOFTT	Rate of wt gain <−2SD	At age 4 years	34 of 34 children

Drotar, 1988²²	88 babies aged 1–9 mth hospitalised for FTT of whom 80 consented to participate and were randomly allocated to 3 forms of intervention	Normal birth weight decreasing to weight <5th centile   >Weight gain demonstrated in hospital	At age 36 mth	59 of the 80 children

Sturm, 1989²³	Same children as above