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. 2023 May 29;20(1):18–30. doi: 10.1007/s10393-023-01634-x

Table 3.

Results of the best-fit negative binomial generalised linear mixed model explaining readership engagement.

Selected model: glmer.nb (Number of comments ~ Depiction of bats in the article + Political orientation + Country + (1|Year))
AIC BIC logLik Deviance df.resid
1590.7 1631.9 −785.3 1570.7 447
Scaled residuals:
Min 1Q Median 3Q Max
0.4293 −0.4083 −0.3597 −0.1728 7.5924
Random effects:
Groups name Variance Std.Dev
Year (Intercept) 1.911 1.382
Number of obs: 457 groups: Year 29
Fixed effects
Estimate SE z value Pr( >|z|)
(Intercept) 1.41 0.733 1.925 0.054
Framing of the article: threat vs non-threat 1.209 0.306 3.950  < 0.0001
Political orientation: right-leaning vs left-leaning 1.618 0.414 3.911  < 0.0001
Political orientation: tabloid vs left-leaning 1.335 0.399 3.344 0.0008
Country: Germany vs France −1.162 0.486 −2.391 0.0168
Country: Italy vs France 1.329 0.449 2.959 0.003
Country: Spain vs France −0.138 0.740 −0.187 0.852
Country: UK vs France −0.087 0.531 −0.163 0.870

Significant results with p < 0.01 are bolded.