Extracted data checklist
| Data heading | Description |
| Name | System name |
| Type | System type (NSS, NRS and NIS) |
| Country(s) | Name of the country or countries (in international systems) in which the system is implemented |
| Year | Year of system establishment |
| Stakeholders | Organisations or institutions that support the system |
| Key objectives | All the objectives and purposes for which the system was created |
| Data collection centres | Sources, centres and all places where data are collected, for example, from households, schools, clinics |
| Collected data | Minimum data set or information received from the patient in each system |
| Malnutrition measurement criteria | One way to measure malnutrition is to study nutrition-related outcomes, such as anthropometric measurements, biochemical indicators, clinical signs of malnutrition, etc |
| Population group | Age of children |
| Geographical area covered | Cities or countries covered by each system |
| Frequency of reporting | Number of times reports are given |
| Frequency of data collection | Number of times and frequency of data being collected |
| Website address | Website address of the system where it updates information about system activities |
NIS, nutrition information systems; NRS, nutrition registry systems; NSS, nutrition surveillance systems.