Appendix

Extended disciplinary tables

This section includes additional details about the number of articles in the 8 largest disciplines and aggregated Humanities and Social Sciences subject areas, as well as the average and predicted citations and the average and predicted downloads.

Medicine & Public Health

Citations

Table 8. The number of articles and citations in Medicine & Public Health

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

22,772

6.12

100.00

4

6.28

100.00

Green OA

4,760

6.03

98.53

3

6.51

103.61

Gold OA

11,969

11.88

193.97

7

11.94

190.15

 

Downloads

Table 9. The number of articles and downloads in Medicine & Public Health

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

22,772

803.05

100.00

606

744.12

100.00

Green OA

4,760

751.62

93.60

474

779.74

104.79

Gold OA

11,969

4,733.99

589.50

3153

5,235.84

703.63

Engineering

Citations

Table 10. The number of articles and citations in Engineering

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

18,428

7.60

100.00

5

7.51

100.00%

Green OA

350

8.43

110.92

5

7.23

96.27%

Gold OA

3,113

9.72

127.79

6

10.85

144.39%

 

Downloads

Table 11. The number of articles and downloads in Engineering

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

18,428

447.41

100.00

346

454.07

100.00

Green OA

350

673.53

150.54

460.5

518.12

114.11

Gold OA

3,113

3,040.06

679.48

2,404

2,934.00

646.15

Life Sciences

Citations

Table 12. The number of articles and citations in Life Sciences

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

14,600

6.32

100.00

4

6.33

100.00

Green OA

1,306

8.69

137.49

5

13.68

216.16

Gold OA

4,969

9.99

158.04

6

14.88

235.13

 

Downloads

Table 13. The number of articles and downloads in Life Sciences

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

14,600

672.16

100.00

519

640.31

100.00

Green OA

1,306

1,032.56

153.62

597.5

1,033.21

161.36

Gold OA

4,969

3,768.18

560.61

2870

4,896.12

764.65

Computer Science

Citations

Table 14. The number of articles and citations in Computer Science

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,352

9.23

100.00

5

9.54

100.00

Green OA

339

9.27

100.50

5

10.30

107.99

Gold OA

2,745

14.58

158.08

6

15.29

160.25

 

Downloads

Table 15. The number of articles and downloads in Computer Sciences

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,352

584.79

100.00

405

609.32

100.00

Green OA

339

735.74

125.81

466

726.56

119.24

Gold OA

2,745

4,493.50

768.40

2,935

4,210.88

691.07

Environment

Citations

Table 16. The number of articles and citations in Environment

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,389

9.68

100.00

6

11.77

100.00

Green OA

264

11.14

115.13

6.5

20.52

174.32

Gold OA

2,211

14.66

151.48

9

22.96

195.03

 

Downloads

Table 17. The number of articles and downloads in Environment

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,389

682.15

100.00

524

747.25

100.00%

Green OA

264

950.33

139.31

585.5

1,127.07

150.83%

Gold OA

2,211

4,597.81

674.02

3,009

5,543.91

741.91%

Chemistry

Citations

Table 18. The number of articles and citations in Chemistry

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,276

8.39

100.00

5

12.18

100.00

Green OA

821

7.39

88.03

5

11.07

90.87

Gold OA

1,632

12.44

148.26

7

50.05

410.80

 

Downloads

Table 19. The number of articles and downloads in Chemistry

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,276

580.45

100.00

444

651.59

100.00

Green OA

821

719.14

123.89

565

657.90

100.97

Gold OA

1,632

3,896.86

671.35

2,737

6,259.77

960.69

Materials Science

Citations

Table 20. The number of articles and citations in Materials Science

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

10,502

7.81

100.00

5

8.72

100.00

Green OA

190

6.26

80.21

5

6.09

69.79

Gold OA

1,114

10.75

137.68

6

11.59

132.83

 

Downloads

Table 21. The number of articles and downloads in Materials Science

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

10,502

508.67

100.00

392

546.86

100.00

Green OA

190

589.15

115.82

434

509.55

93.18

Gold OA

1,114

2,998.97

589.58

2,316

3,194.73

584.20

Biomedicine

Citations

Table 22. The number of articles and citations in Biomedicine

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

6,390

7.95

100.00

5

7.67

100.00

Green OA

1,312

10.06

126.58

6

14.48

188.81

Gold OA

3,093

14.63

184.08

8

16.17

210.92

 

Downloads

Table 23. The number of articles and downloads in Biomedicine

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

6,390

924.33

100.00

718

843.63

100.00

Green OA

1,312

1,282.17

138.71

871.5

1,374.84

162.97

Gold OA

3,093

5,010.60

542.08

3,557

6,394.71

758.00

Humanities

Citations

Table 24. The number of articles and citations in the Humanities

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

1,565

3.70

100.00

1

3.66

100.00

Green OA

47

3.45

93.17

2

3.62

98.85

Gold OA

1,812

5.86

158.49

3

5.27

143.83

 

Downloads

Table 25. The number of articles and downloads in the Humanities

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

1,565

642.23

100.00

393

633.24

100.00

Green OA

47

640.36

99.71

405

652.69

103.07

Gold OA

1,812

4,013.41

624.92

2,895.5

3,759.10

593.63

Social Sciences

Citations

Table 26. The number of articles and citations in the Social Sciences

Access type

Number of articles

Mean citations

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,975

5.66

100.00

3

5.99

100.00

Green OA

871

6.13

108.41

4

5.69

95.01

Gold OA

8,199

9.68

171.03

5

9.04

151.01

 

Downloads

Table 27. The number of articles and downloads in the Social Sciences

Access type

Number of articles

Mean downloads

Mean (%)

Median

Prediction

Prediction (%)

Non-OA

11,975

782.78

100.00

551

800.85

100.00

Green OA

871

879.22

112.32

621

916.66

114.46

Gold OA

8,199

5,277.80

674.23

3575

5,034.64

628.66