Table 4 Pearson correlation coefficients between numbers of articles published and citation metrics, unadjusted and adjusted for numbers of other articles and for career duration, stratified by scientific field, among 18,231 leading researchers in the health sciences

Unadjusted

Adjusted

Unadjusted

Adjusted

Clinical medicine (N = 12,858, 70.5%)

 Single-author articles

0.00

-0.05

0.17

0.04

 First-author articles

0.17

-0.06

0.35

0.20

 Mid-list-author articles

0.74

0.65

0.55

0.32

 Last-author articles

0.47

0.18

0.63

0.44

Biomedical research (N = 3270, 17.9%)

 Single-author articles

-0.04

-0.02

0.26

0.25

 First-author articles

0.10

-0.20

0.32

0.11

 Mid-list-author articles

0.70

0.66

0.41

0.21

 Last-author articles

0.45

0.28

0.71

0.63

Public health & Health services (N = 1033, 5.7%)

 Single-author articles

-0.17

-0.14

0.16

0.26

 First-author articles

0.41

0.25

0.51

0.30

 Mid-list-author articles

0.78

0.61

0.61

0.35

 Last-author articles

0.61

0.17

0.65

0.37

Psychology & Cognitive sciences (N = 1070, 5.9%)

 Single-author articles

0.00

-0.17

0.28

0.14

 First-author articles

0.37

0.21

0.50

0.32

 Mid-list-author articles

0.67

0.46

0.48

0.15

 Last-author articles

0.62

0.39

0.67

0.52