Figure 2From: Shared decision making and behavioral impairment: a national study among children with special health care needs Different groups of CSHCN are affected more by either the mean level of SDM or by an increase in SDM. Plot A shows the decrease in impairment associated with each 1-point increase in the mean level of SDM. Plot B shows the decrease in impairment associated with each 1-point increase in SDM over time, a measure of the change in SDM.Back to article page