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. 2019 Dec 3;11(12):2929. doi: 10.3390/nu11122929

Figure 2.

Figure 2

Bland–Altman plots for the pro-healthy diet index (pHDI; left panel) and the non-healthy diet index (nHDI; right panel) between the first and the second administration of the questionnaire: (a) pHDI in children aged 6–10 years (test and retest), (b) nHDI in children aged 6–10 years (test and retest), (c) pHDI in adolescents aged 11–15 years (test and retest), (d) nHDI in adolescents aged 11–15 years (test and retest), (e) pHDI in adolescents aged 11–15 years and their parents (test and testP), (f) nHDI in adolescents aged 11–15 years and their parents (test and testP). Mean—mean difference between the first and the second administration of the questionnaire (blue solid line) with 95% CI (dashed lines). LOA—95% limits of agreement between the first and the second administration of the questionnaire (red solid lines) with 95% CI (dashed lines). B-A index—the Bland–Altman index calculated as percentage of respondents beyond LOA.