Table 2 Estimations of number of cases from log-linear models including covariates (based on data of four areas, Bourgogne data excluded)

Independent sources model

<.001

184

[150–251]

Independent sources model with age effect

<.001

181

[148–247]

Independent sources model with area effect

<.001

174

[139–260]

Independent sources model with severity effect

<.001

208

[157–324]

Independent sources model with age and area effects

<.001

171

[141–237]

Independent sources model with age and severity effects

<.001

204

[158–299]

Independent sources model with area and severity effects

0.047

194

[154–274]

Independent sources model with three covariates effects

0.951

191

[157–253]