Table 2

The distribution of variance in avoidable hospitalisations to health centre (HC) and hospital district (HD) level in Finland in 1996–1999 and 2010–2013 (Poisson multilevel models controlling for year as a continuous variable and age as a categorical variable; estimates of variance components and their intraclass correlation coefficient (ICC))

CategoryLevel1996–19992010–2013
EstimateICCEstimateICC
MenPreventableHD0.024*0.0220.027*0.024
HC0.022**0.0210.024**0.023
ChronicHD0.051*0.0460.064*0.056
HC0.019**0.0120.027**0.025
AcuteHD0.025*0.0220.039*0.034
HC0.015**0.0140.024**0.023
WomenPreventableHD0.032*0.0280.033*0.029
HC0.033**0.0310.029**0.027
ChronicHD0.054*0.0470.059*0.051
HC0.031**0.0290.033**0.030
AcuteHD0.026*0.0240.043*0.038
HC0.019**0.0180.029**0.027
  • *P<0.01, **P<0.001.