This impacts the estimation of intake and radiation dose, especially the bone dose, when aiming for personalized occupational monitoring data.
The estimation of intake is complex, because many foods contribute to polyphenol intake; for example, 232 foods contributed to the intake of 337 polyphenols in the French SU.VI.MAX (Supplementation en Vitamines et Mineraux Antioxydants) cohort (21).
There is greater interest than ever in improving and refining the estimation of intake of and exposure to the many nutrients and bioactive compounds regularly consumed within the diet.
Our data on energy intake and BMR indicate under-estimation of intakes, and this might be due to the method of FFQ administration.
This may present an upward reporting bias (and the associated lack of heterogeneity) or over-estimation of intakes, as imputed portion sizes may have been larger than portions actually consumed.
Estimation of dioxin intakes from consumption of other food items such as cereal, vegetables, and fruits not included in the questionnaire could be a source of confounding in the relationship between dioxin load and recorded dietary habits.
However, there were no differences in estimated GFR, serum PTH, or in protein intake, an estimation of P intake [ 36] when patients were categorized by their KI.
Among the various methods to evaluate dietary intakes, food frequency questionnaires provide a self-administered, quick and simple estimation of dietary intakes.
In this study information of dietary habits and supplement use at 26 28 weeks of gestation was used to get the best estimation of iron intake and the intake of energy, macronutrients and dietary fibre during pregnancy and before the onset of GDM.
Second, the 2005 10 NHANES cycles included two 24-h recalls for most respondents, allowing for estimation of usual intakes using methods developed by the National Cancer Institute (NCI).
