Data architecture components
| Component categories | Frequency of records (percentage of the 39 studies) | Reference no |
| Organisations involved in data generation, adoption, and governance | 27 (69.23) | 12 26 27 29–31 33 35 36 38–42 46 48 50–60 |
| Data sources and databases | 27 (69.23) | 12 26 27 29–36 38–42 44 46 48 50–53 55 56 59 60 |
| Datasets and data elements | 20 (51.28) | 1 27 29 31 33 36 38 39 41 48 50 51 53 54 56–61 |
| Data standards | 20 (51.28) | 1 23 27 28 36–41 43 44 46 49 50 54 57–59 61 |
| Data sharing | 15 (38.46) | 26 27 30 40 41 44–46 50 53–55 59–61 |
| Data quality | 10 (25.64) | 26 27 33 36 37 44 50 53 54 58 |