Skip to main content

Table 2 Number of articles with equal credit given to multiple authors according to by-line position in 2004–2013

From: An emerging trend of equal authorship credit in major public health journals

By-line position of authors given equal credit

Epidemiologic Reviews (n = 1)

Environmental Health Perspectives (n = 98)

International Journal of Epidemiology (n = 47)

Epidemiology (n = 6)

Total (n = 152)

First two authors

0

63 (64.3 %)

32 (68.1 %)

3 (50.0 %)

98 (64.5 %)

First three or more authors

0

5 (5.1 %)

3 (6.4 %)

1 (16.7 %)

9 (5.9 %)

Last two authors

0

13 (13.3 %)

5 (10.6 %)

2 (33.3 %)

20 (13.2 %)

First and last authora

1 (100 %)

4 (4.1 %)

4 (8.5 %)

0

9 (5.9 %)

First two and last two authors

0

3 (3.1 %)

1 (2.1 %)

0

4 (2.6 %)

Middle authors only

0

2 (2.0 %)

1 (2.1 %)

0

3 (2.0 %)

First three authors or more

     

Last three authors or more

0

1 (1.0 %)

0

0

1 (0.7 %)

All authorsb

0

3 (3.1 %)

0

0

3 (2.0 %)

Others

0

4 (4.1 %)

1 (2.1 %)

0

5 (3.3 %)

  1. aFor articles with only two authors, we considered the authors as first author and last author
  2. bExcluded articles with only two authors