TABLE 1.
Description of PICOS criteria used for a systematic review and landscape analysis of muscle food categorizations and description used throughout chronic disease literature1
| Population | Adults aged ≥19 y; males and females; females not pregnant or lactating |
| Intervention | Muscle food consumption (for example: meat, fish, poultry) |
| Comparator | Not applicable |
| Outcome | Primary prevention of nutrition-related chronic disease, i.e., outcomes and/or associated risk factors of obesity, cardiovascular disease, type 2 diabetes, and cancer |
| Study design | Observational studies (prospective cohorts, case-controls, and cross-sectional analyses) and randomized controlled trials (acute and longitudinal feeding trials) |
| Research question | How are muscle foods categorized and described in research assessing primary prevention of nutrition-related chronic diseases? |
1
PICOS, Population, Intervention, Comparator Outcome, and Study design.