Data on how adding the interpolated data influences sample representativeness
| Number of employees | Before matching (n = 2,549) | Matched data (n = 825) | Matched data after interpolation (n = 918) | Share of all journal citations | Share of OA citations |
|---|---|---|---|---|---|
| 1–9 | 18.8% | 16.6% | 17.8% | 18.0% | 21.7% |
| 10–49 | 23.5% | 22.2% | 23.0% | 27.4% | 20.5% |
| 50–249 | 35.9% | 43.3% | 41.8% | 37.1% | 46.1% |
| 250+ | 21.9% | 17.8% | 17.3% | 17.5% | 11.8% |
| Number of employees | Before matching ( | Matched data ( | Matched data after interpolation ( | Share of all journal citations | Share of OA citations |
|---|---|---|---|---|---|
| 1–9 | 18.8% | 16.6% | 17.8% | 18.0% | 21.7% |
| 10–49 | 23.5% | 22.2% | 23.0% | 27.4% | 20.5% |
| 50–249 | 35.9% | 43.3% | 41.8% | 37.1% | 46.1% |
| 250+ | 21.9% | 17.8% | 17.3% | 17.5% | 11.8% |
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