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Table 2 PCC framework for defining the eligibility of the studies for the primary research question

From: Mapping research evidence on implementation of the WHO ‘best buys’ and other interventions for the prevention and control of non-communicable diseases in sub-Saharan Africa: a scoping review protocol

Eligibility criteria Include Exclude
Population All NCDs due to unhealthy diet by the general population such as type-2 diabetes, cardiovascular diseases, high cholesterol and some cancers NCDs due to physical inactivity, tobacco use and harmful use of alcohol which has no linkage to unhealthy diet, e.g. lung cancer and chronic respiratory diseases
Concept The WHO 2017 ‘best buys’ and other interventions for unhealthy diet  
Context Prevention and/control of NCDs in SSA  
Setting Countries in the WHO African Region [23] Other WHO regions
Study design Primary studies/grey literature (policy documents) that focus on the implementation of ‘best buys’ and other interventions for unhealthy diet. Reviews that focus on the implementation of ‘best buys’ and other interventions for physical inactivity, tobacco use and harmful use of alcohol
Time frame Publications/grey literature within the last 3 years Publication/grey literature that existed before May 2017
Publication language All international languages