Energy intake showed an inverse trend across the tertiles of the FFQ DHD-index score ( P for trend <0·0001), while BMI, supplement use, smoking and educational level did not show a significant trend across the tertiles.
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The Dutch Healthy Diet index as assessed by 24 h recalls and FFQ: associations with biomarkers from a cross-sectional study.
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The sentences
The participants' age showed a positive trend across the sex-specific tertiles of the DHD-index score based on FFQ data ( P for trend = 0·004; Table 3 ).