38
For multiple response questions, such as the professional affiliations of co-authors (Q3,
Appendix I), each response was treated as a separate variable and examined with logistic
regression. The only variable with significant explanatory power for the variation around the
response
variable
was
when
co-authors
were
affiliated
to
a
local
NGO
(z=2.89,df=403,p=0.004).
When co-author affiliations were regressed against corresponding author affiliations, there
was an interaction between academic corresponding author and academic co-authors (p=0.03,
df=403), showing that findings were less likely to be taken up when both corresponding and
co-authors were academics. Similar slopes and non-significance between levels of uptake of
findings for both corresponding and co-authors affiliated to a local NGO, international NGO
or government body allowed these factors to be collapsed together into a single two level
factor for further analysis; research papers in which authors had academic affiliations only
(and independent researchers), and research papers for which at least one of the authors had an
affiliation to an NGO or government body (fig. 10).
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