Table 2 Summary (coefficient) of the selected generalized linear mixed model (Gaussian family and identity-link function) for body mass index of collected Laguncula pulchella individuals with shell height ≥ 25 mm.

From: Male-biased sex ratio in the crawling individuals of an invasive naticid snail during summer: implications for population management

Parameter

Estimate

SE

P

(Intercept)

8.895

0.369

 < 0.001

Shell height

0.018

0.009

0.038

Sex (male)

 − 0.664

0.123

 < 0.001

Month (July)

0.117

0.205

0.568

Month (Aug)

0.324

0.263

0.219

Month (Sep)

0.339

0.216

0.118

Month (Oct)

 − 0.957

0.153

 < 0.001

Sex (male): Month (July)

 − 0.272

0.227

0.232

Sex (male): Month (Aug)

 − 0.944

0.285

 < 0.001

Sex (male): Month (Sep)

 − 0.370

0.318

0.245

Sex (male): Month (Oct)

0.057

0.184

0.756

  1. Data from June to October were used. All initial explanatory variables were included in the selected model, based on the Akaike information criterion (AIC). The effects of month and sex were evaluated on the basis of "June" and "female", respectively.
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