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Matching of provider-related factors.
| Provider expertise | Provider experience | Provider behaviour | Trial-specific provider training | |||||
|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | |
| Matched | 7 | 21.9 | 3 | 9.4 | 12 | 37.5 | 9 | 28.1 |
| Not matched | 18 | 56.3 | 16 | 50.0 | 5 | 15.6 | 9 | 28.1 |
| Not reported | 7 | 21.9 | 13 | 40.6 | 14 | 43.8 | 11 | 34.4 |
Assessed in trials for which it could be ascertained that different providers were used for active and control interventions. N = 32.
