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Table 1 Result summary for the negative binomial model for the relationship between egg counts, year, month and precipitation for the years 2006 to 2014

From: Spread and establishment of Aedes albopictus in southern Switzerland between 2003 and 2014: an analysis of oviposition data and weather conditions

Predictor Coefficient β (log2) SE(β) (log2) Z-value P-value
Intercept -5.81 0.596 -9.75 < 0.001
2007 1.278 0.374 3.42 < 0.001
2008 0.292 0.36 0.81 ns
2009 1.88 0.341 5.51 < 0.001
2010 2.609 0.369 7.08 < 0.001
2011 2.801 0.345 8.13 < 0.001
2012 4.383 0.355 12.36 < 0.001
2013 3.935 0.366 10.75 < 0.001
2014 4.471 0.358 12.47 < 0.001
June 2.745 0.467 5.88 < 0.001
July 4.402 0.468 9.4 < 0.001
August 5.125 0.464 11.03 < 0.001
September 5.1 0.471 10.83 < 0.001
Rain “middle” -1.131 0.283 -4 < 0.001
Rain “high” -2.406 0.906 -2.65 < 0.01
  1. Negative binomial dispersion parameter α = 0.10125 (SE = 0.0047812). ns: not significant