Table 1. Breakdown of different sources of APC payment/charges by discipline.
APCs in US dollars.
| Hybrid payments | Full OA payments | Full OA prices | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Discipline | Payments | N | SD | Payments | N | SD | Charges | N | SD |
| Arts and humanities | 2,168.26 | 5 | 1,276.86 | No data | 0 | 0 | 1,273.26 | 19 | 354.76 |
| Multidisciplinary | 2,074.42 | 16 | 1,631.24 | 1,896.48 | 64 | 1,355.18 | 1,345.83 | 522 | 50.39 |
| Mathematics | 2,579.93 | 52 | 908.46 | 905.60 | 5 | 455.97 | 1,209.79 | 24 | 69.60 |
| Clinical Medicine | 3,000.33 | 626 | 1,082.86 | 1,870.32 | 526 | 584.89 | 1,753.60 | 3,456 | 466.20 |
| Biomedical Research | 2,996.56 | 1,377 | 1,212.28 | 1,952.02 | 1,076 | 864.70 | 1,830.36 | 5,511 | 552.38 |
| Life Sciences | 2,859.62 | 667 | 1,164.24 | 1,876.85 | 579 | 716.09 | 1,789.30 | 2,286 | 552.35 |
| Chemistry | 2,901.43 | 370 | 915.12 | 2,403.16 | 47 | 1,629.68 | 1,712.00 | 189 | 308.93 |
| Physics and Astronomy | 2,575.06 | 241 | 844.62 | 1,890.44 | 190 | 1,395.89 | 1,327.90 | 139 | 84.72 |
| Engineering | 2,718.00 | 365 | 903.61 | 1,669.40 | 97 | 737.46 | 1,900.44 | 436 | 453.47 |
| Earth Science | 2,905.81 | 264 | 824.92 | 1,523.47 | 164 | 706.69 | 1,599.72 | 664 | 331.82 |
| Business and Economics | 2,521.58 | 35 | 931.65 | 1,415.65 | 4 | 101.74 | 1,350.00 | 11 | 0.00 |
| Psychiatry/Psychology | 2,955.87 | 204 | 956.31 | 1,647.01 | 231 | 582.40 | 1,787.35 | 373 | 433.94 |
| Social Science | 2,736.35 | 307 | 878.52 | 1,822.51 | 117 | 407.03 | 1,940.57 | 726 | 460.28 |
| Total | 2,886.88 | 4,529 | 1,076.15 | 1,864.53 | 3,100 | 838.55 | 1,775.07 | 14,356 | 510.65 |