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The problem
Intervention: Canadian food ladders—stepwise dietary advancement tools facilitating home-based exposures to increasingly allergenic forms of milk and egg
Who it was tested with: Children with IgE-mediated food allergies to cow's milk and/or egg (109 started, 53 completed follow-up).
The same group is measured before the intervention and again afterwards, with a baseline and an endline and sometimes a midline. Change is visible, but other causes cannot be ruled out.
"Surveys were distributed to families of children using the Canadian Milk Ladder and/or the Canadian Egg Ladder at baseline, with follow up surveys at 3 months, 6 months, and 12 months." The study measured the same group before and after intervention without a comparison group, using repeated surveys over 12 months to assess safety and dietary advancement.
Low response rate to follow-up surveys (53 of 109, 48.6%), no comparison group to assess whether outcomes differ from standard care, and lack of detailed data on participant characteristics and dropout reasons
Across countries and designs
2 studies · 2 countries
