Table 1

Studies fulfilling the criteria* for this review

Study	Design	Setting	Participants	Samples analysed	Outcome measures
*Eligibility criteria given in text. CHC, child health clinic.
Jacob, 1985³¹	Interview	UK	30 mothers living in catchment area of five CHCs	–	Reported method of preparing feed and measuring powder

McJunkin et al, 1987³²	Interview; reconstituted milk samples analysed	USA	175 mothers attending one urban CHC	133 reconstituted feeds provided by mothers	Fat, protein, and total solids content of feed

Lilburne et al, 1988³³	Interview; reconstituted milk samples analysed	Australia	272 mothers attending 19 CHCs	34 reconstituted feeds provided by mothers and unknown number of reconstituted feeds prepared in hospital kitchen	Reported method of preparing feed and measuring powder; osmolality of feeds

Jeffs, 1989³⁴	Dry milk powder measured from an open packet with product’s own scoop	UK	28 mothers attending two CHCs	84 scoops of dry powder measured by mothers	Weight of powder

Lucas et al, 1991³⁵	Reconstituted milk samples analysed	UK	19 mothers included in a randomised trial of ready-to-feed and powdered formula	Median of 5 (range 3–6) reconstituted feeds provided by each mother	Energy content of feed