Volume 11, Number 11—November 2005
Rift Valley Fever in Small Ruminants, Senegal, 2003
|Intercept-only mixed-effect model|
|Intercept||–3.49||0.58||–5.99||2.1 × 10–9|
|Variance of the random effect‡||1.75||–||–||–|
|Best mixed-effect model according to information criteria|
|Variance of the random effect‡||0.57||–||–||–|
*Ratio of the parameter over its standard error. N = 610 small ruminants; BIC, Bayesian information criterion.
†P(x > |Z|) assuming a standard-normal distribution for Z; straight vertical bars indicate absolute value of Z.
‡Pond-related random effect associated with the intercept.
§Surface (hectare) centered on the smallest observed surface (1.6 hectare).
¶Location of the pond: in the Ferlo bed (reference category) or outside Ferlo bed.
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