Table 5

Coefficients from linear regression of journal impact factor on research article author gender and affiliation

Journal impact factor
First author gender
 ManREF
 Woman−6.40*
Last author gender
 ManREF
 Woman−11.71*
First author affiliation
 Low-income and middle-income countriesREF
 High-income countries19.18*
Last author affiliation
 Low-income and middle-income countriesREF
 High-income countries18.54*
First author gender and affiliation
Women, low-income and middle-income countriesREF
Women, high-income countries13.91*
Men, low-income and middle-income countries1.92
Men, high-income countries24.12*
Last author gender and affiliation
Women, low-income and middle-income countriesREF
Women, high-income countries7.06
Men, low-income and middle-income countries0.01
Men, high-income countries21.73*
  • *p<0.05.