To obtain up-to-date data on nutritional status of older adults, a national dietary survey will be conducted in 2022/2023, providing data on the consumption of foods and enabling the assessment intakes of energy and specific nutrients. Participating subjects will be also screened for micronutrient status using blood biomarkers (focusing into vitamin D, folic acid, vitamin B12, and iron).
Study Type
OBSERVATIONAL
Enrollment
300
Assessment of socio-demographic parameters, anthropometric and body composition parameters, food intake (dietary recalls, food propensity questionnaire) and nutritional status (blood biomarkers)
Nutrition Institute, Ljubljana
Ljubljana, Slovenia
Assessment of protein intake
epidemiology of protein intake will be investigated from food records \[g/day\]
Time frame: 1 year
Assessment of energy intake
epidemiology of energy intake will be investigated from food records \[kJ/day\]
Time frame: 1 year
Assessment of inadequate vitamin D status
epidemiology of vitamin D status will be investigated using serum 25-OH-vitamin D concentration
Time frame: 1 year
Assessment of inadequate folate status
epidemiology of folate status will be investigated using serum folate concentration
Time frame: 1 year
Assessment of inadequate vitamin B12 status
epidemiology of vitamin B12 status will be investigated using serum vitamin B12 concentration
Time frame: 1 year
Assessment of inadequate iron status
epidemiology of iron status will be investigated using serum ferritin concentration
Time frame: 1 year
Assessment of anemia
epidemiology of anemia will be investigated using serum haemoglobin concentration
Time frame: 1 year
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