Figure 4From: Inequalities in multimorbidity in South AfricaStandardised concentration indices of multimorbidity in illness, 2005–2008. Note: + indicates the existence of the specified illness in addition to at least one other illness. Standardised concentration indices are based on Erreygers’ normalisation. All estimates are scaled up by 100 to enhance readability. The error bars represent 95% confidence intervals based on robust standard errors.Back to article page