Figure 2
From: Validity of self-reported lunch recalls in Swedish school children aged 6–8 years
Bland Altman plot depicting differences between the teacher-recorded intake and reference method against their mean values, the solid black represents the average difference between the estimate and the weighed food amount (65 kcal teacher-recorded), dotted lines indicate 2 SD from the mean, and the solid red line at zero denotes where the mean would fall if the measurements agreed perfectly.