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2 Methodological Approach
Pages 29-36

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From page 29...
... COMMITTEE'S INTERPRETATION OF THE TASK The committee interpreted the Statement of Task as a request to scope the literature and use expert judgment to identify promising interventions, or aspects of interventions, that positively impact infant and young child feeding related to what and how to feed infants and young children between 6 and 24 months of age. As noted in Chapter 1, the committee interpreted the Statement of Task to request a scoping review (i.e., provide an overview of the evidence [Munn et al., 2018]
From page 30...
... Also, at the direction of the study sponsor, the committee interpreted the Statement of Task to include only interventions aimed at improving complementary feeding behaviors, excluding studies aimed at impacting the timing of introducing complementary foods or the duration of human milk feeding. SEARCH APPROACH The committee approached its task by designing a literature search strategy to capture public-facing documents, reviews, and resources on interventions aimed at improving infant and young child feeding behaviors in healthy children (see Appendix C for details on the literature search)
From page 31...
... SCREENING AND DATA EXTRACTION Prior to screening the identified literature, the committee developed a draft set of prespecified criteria for assessing the relevance of identified evidence, which was refined after the initial title/abstract screening. The criteria were organized using the population, interventions, comparators, outcomes, and study designs (PICOD)
From page 32...
... Following title and abstract screening, using Table 2-1 criteria, two Health and Medicine staff members screened 185 full-text articles. Internal Assessment To verify that the process was working as intended, all members of the committee reviewed the same 30 articles that had not yet been abstract TABLE 2-1 Prespecified Criteria for Assessing the Relevance of Identified Evidence for Interventions That Improve Complementary Feeding Behaviors in Infants and Young Children Component Criteria Populations Include: Healthy infants/children ages 0‒2 years of age living in high-income countries at the time of studya Exclude: Studies in countries other than those classified as high-incomea Studies in which infants are receiving ONLY human milk or formula Studies that only included infants/children with one or more existing chronic disease or health conditionb Interventions Any intervention for complementary feeding (e.g., behavioral/ motivational, informational/educational, social media/mass communication, food distribution/allocation/access)
From page 33...
... The committee focused on outcomes related to infant and young child feeding behaviors and categorized these by what to feed (e.g., avoiding foods/beverages with added sugars; offering a variety of foods, textures, and flavors; consuming nutrient-dense foods) and how to feed (e.g., repeated exposures to foods; using hunger and satiation cues to guide feeding; utilizing other responsive feeding practices)
From page 34...
... After finishing the comprehensive identification of potentially informative studies, and a description of their characteristics, the committee proceeded to assess the studies' contributions to addressing the Statement of Task. First, the committee determined that there is not any individual program that has all the desired features of an intervention that could simply be adopted as is and scaled to address the challenges of encouraging appropriate infant and young child feeding.
From page 35...
... The committee described factors needed to scale interventions to the community or state levels and noted the ability of the interventions to reach underserved populations, reduce inequities, and complement federal-level programs such as WIC and home visiting programs. REFERENCES Guyatt, G


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