Table 2

Quality appraisal

Was the research design appropriate to address the aims of the research? Was the data collected in a way that addressed the research issue? Was the data analysis sufficiently rigorous? Is there a clear statement of the study findings? Are there limitations or weaknesses of the study acknowledged? Is the research valuable?
	Q1	Q2	Q3	Q4	Q5	Q6
American Academy of Family Physicians, 1998	Unclear			Yes	No	Yes
Asp et al48	Unclear					Yes
Cuerda et al35	Yes	Yes	Unclear	Yes	No	Yes
Deen et al47	Unclear			Yes	No	Yes
Deakin University Strategic Teaching and Learning Grant Steering Committee38	Yes	Yes	Unclear		No	Yes
Jhpiego & Save the Children45	Yes	Yes	Yes	Yes	No	Yes
Lindsley et al36	Yes	Yes	Yes	Yes	No	Yes
Maillet and Young44	Unclear			Yes	No	Yes
Sierpina et al21	Unclear				Yes	Yes
Young et al46	Yes	Yes	Yes	Yes	Yes	Yes
ICGN Undergraduate Nutrition Education Implementation Group39	Unclear					Yes