Table 2 Study design and objectives of SPITs articles
Study design | N | %   |      Study objectives | N | % |
|---|---|---|---|---|---|
Interventional | 115 | 49   |      Tool evaluation | 120 | 52 |
Observational | 72 | 31   |      Tool implementation | 105 | 45 |
Program evaluation | 20 | 9   |      Tool description | 91 | 39 |
Randomized controlled trial | 12 | 5   |      Tool development | 42 | 18 |
Systematic review | 9 | 4   |      Tool comparison | 10 | 4 |
Qualitative | 3   | 1 | |||
Survey | 1 | 0   |  | ||