Fig 1.
Systematic review flow chart.
Table 1.
Characteristics of 38 studies that investigated restaurant and food service staff knowledge and practices related to food allergies and CD.
Table 2.
Risk of bias assessment summary for 37 studies that investigated restaurant and food service staff knowledge and practices related to food allergies and CD.
Fig 2.
Box plot of the across-study prevalence of correct responses to five knowledge questions about food allergies.
Fig 3.
Box plot of the across-study prevalence of food allergy practices and behaviours.
Fig 4.
Box plot of the across-study prevalence of food allergy training outcomes.
Fig 5.
Forest plot of the prevalence of having policies or plans in place to produce allergen-free food.
Fig 6.
Forest plot of the prevalence of having policies or plans in place to respond to food allergy emergencies.
Fig 7.
Forest plot of the prevalence of respondents indicating that they have received prior food allergy training.
Table 3.
Summary of significant predictors of across study heterogeneity as identified in meta-regression analyses of selected outcome subgroups.