Fig. 3From: A randomized trial of a theory-driven model of health coaching for older adults: short-term and sustained outcomesGraph of independent self-care agency showing a statistically significant interaction between high blood pressure, intervention, and time. The bars are the minimum/maximum points that fall within quartile 1–1.5*interquartile range and q3 + 1.5*IQR respectively, and the dots are extreme outliers (as defined by falling outside that range). *p = .0005Back to article page