Figure 2.

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‚ÄČkcal 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.

Hunsberger et al. Nutrition Journal 2013 12:129   doi:10.1186/1475-2891-12-129
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