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Table 2 General characteristics of selected articles

From: Global research mapping of substance use disorder and treatment 1971–2017: implications for priority setting

  

Tobacco

Drug addiction

Alcohol

Characteristic

Category

Number

Percent

Number

Percent

Number

Percent

Total number of papers

 

4469

100

5403

100

2137

100

Year of publication

2013–2017

1688

37.8

2090

38.7

850

39.8

2008–2012

1302

29.1

1565

29.0

536

25.1

2003–2007

803

18.0

855

15.8

364

17.0

1998–2002

364

8.1

489

9.1

234

10.9

1993–1997

198

4.4

278

5.1

126

5.9

1988–1992

82

1.8

70

1.3

24

1.1

<  1988

32

0.7

57

1.0

3

0.1

Number of authors

1

286

6.4

418

7.8

166

7.8

2–3

1300

29.1

1691

31.3

730

34.2

4–6

1772

39.7

2197

40.7

866

40.5

7–10

903

20.2

905

16.7

309

14.5

> 10

208

4.7

192

3.6

66

3.1

Number of subject category

1

2261

50.6

2492

46.1

970

45.4

2

1709

38.2

2331

43.1

934

43.7

3

470

10.5

557

10.3

220

10.3

4

22

0.5

14

0.3

9

0.4

5

4

0.1

8

0.1

3

0.1

Country of first author (top 10) (number of papers)

1

USA

2464

USA

3329

USA

1444

2

England

321

Australia

208

Australia

80

3

Canada

179

England

200

England

76

4

Australia

167

Canada

195

Canada

63

5

Netherlands

99

Italy

115

Netherlands

40

6

Spain

90

Germany

82

Sweden

33

7

China

64

Spain

80

Italy

27

8

Italy

60

France

77

Germany

26

9

Germany

57

Netherlands

70

Iran

20

10

Switzerland

57

Switzerland

61

Switzerland

18