Figure 1From: Observed intra-cluster correlation coefficients in a cluster survey sample of patient encounters in general practice in AustraliaIntra-cluster correlation(ICC) and 95% confidence intervals for descriptive and morbidity outcomes in two BEACH samples, April 1999–March 2000 (N = 1047 GPs) and April 2002–March 2003(N = 1008 GPs) * Total problems = the number of problems managed at the current encounter.Back to article page