Bland-Altman plot of the difference between energy intake from Mean of Four-24 Hour Dietary Recalls and the long FFQ against the mean of the two for the male participants of the JHS-DPASS conducted in Jackson, Mississippi, 2000-2004.
Difference (energy intake from Mean of Four-24 Hour Dietary Recalls - the long FFQ)
------- 95% limits of agreement
FFQ: Food Frequency Questionnaire
JHS-DPASS: Jackson Heart Study- Diet and Physical Activity Sub-Study