Figure 3From: Agreement between self-reported and measured weight and height collected in general practice patients: a prospective study Bland Altman plot for self-reported and measured body mass index (in kg/m 2 ) in informed and uniformed general practice patients. Middle line represents mean difference of methods. Lines above and below represent 95% limits of agreements (LOA), where upper LOA is +1.96 SD and lower line is −1.96 SD from overall mean differences.Back to article page