Table 6 Multinomial logistic regression examining the relationship between journal characteristics and the coverage of GAI usage guidelines after pooling two groups of journals (n = 340)

Coverage of author guidelines

SJR score

Ref.

0.28

(0.07, 0.49)

< 0.05

0.32

(0.07, 0.57)

< 0.05

0.37

(0.16, 0.57)

< 0.01

Region

 Northern America

Ref.

-

-

-

-

-

-

-

-

-

 Western Europe

Ref.

-0.50

(-1.59, 0.60)

0.38

0.50

(-0.96, 1.97)

0.50

0.49

(-0.47, 1.44)

0.32

 Other regions^#

Ref.

0.51

(-0.97, 1.04)

0.95

-1.61

(-3.92, 0.71)

0.17

-1.98

(-3.04, -0.92)

< 0.01

Focus area

 General medicine

Ref.

-

-

-

-

-

-

-

-

-

 Specialty areas

Ref.

0.33

(-0.61, 1.28)

0.49

0.89

(-0.81, 2.59)

0.31

0.65

(-0.21, 1.52)

0.14

Coverage of reviewer guidelines

SJR score

Ref.

0.14

(-0.01, 0.30)

0.06

0.06

(-0.24, 0.36)

0.69

0.26

(0.11, 0.42)

< 0.01

Region

 Northern America

Ref.

-

-

-

-

-

-

-

-

-

 Western Europe

Ref.

-0.24

(-1.12, 0.64)

0.59

0.33

(-1.37, 2.03)

0.70

0.69

(-0.20, 1.58)

0.13

 Other regions^#

Ref.

-0.52

(-1.45, 0.40)

0.27

-0.92

(-3.33, 1.49)

0.46

-1.74

(-2.94, -0.54)

< 0.01

Focus area

 General medicine

Ref.

-

-

-

-

-

-

-

-

-

 Specialty areas

Ref.

0.31

(-0.51, 1.13)

0.46

1.05

(-1.17, 3.27)

0.35

0.77

(-0.12, 1.65)

0.09