Fig 1.
PRISMA flow diagram.
Fig 2.
The four categories in the theoretical framework for the study.
Table 1.
List of search terms.
Fig 3.
Map indication location of the reviewed studies.
Fig 4.
The range of study objectives.
Fig 5.
Measures of food insecurity.
Table 2.
Food Security estimates in studies examining levels of food security in the general population with sample sizes over 200.
Table 3.
Estimates of retarded physical development in those studies which measured weight for height or height and weight for age.
Fig 6.
The causes of food insecurity cited in the 169 studies in the review.
Fig 7.
Network diagram showing six themes in the review related to the role of food gardens in food security together with key points noted in the relevant studies.
Fig 8.
Gender dynamics and food security codes and associated quotations.