diet quality screener (DQScreen) validity and reliability
Conditions
Interventions
Group 1: Evaluation of the newly developed DQScreen against biomarkers in blood and urine (criterion validity) and 3-day weighted food records (relative validity), repeated administration of the DQScr
measurement of anthropometric parameters, body composition, sociodemographic data and physical activity, assessment of the participants' health status
t2 (after a washout phase of 14 days): third DQSc
Sponsors
Hochschule Fulda
Eligibility
Sex/Gender
All
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: - BMI: 18.5-34.9 kg/m2 - good written and spoken German - Voluntary agreement to participate in the study and understanding of the study - Availability during the study periods - omnivorous, flexitarian or ovo-lacto vegetarian diets - Stable body weight (< 3 kg weight gain/loss in the past 3 months)
Exclusion criteria
Exclusion criteria: - pregnant or breastfeeding women - degree/training in food and nutritional sciences and/or dietetics - special diets - vegan diet - eating disorders - diseases that affect memory - chronic diseases treated with medication: all forms of diabetes mellitus, heart failure, chronic kidney disease, hypertension, dyslipoproteinaemia, hyperuricaemia/gout, chronic inflammatory bowel diseases - long-term medication with regard to the above-mentioned illnesses - mental illnesses incl. intake of antidepressants - weight reduction diet/weight changes - alcoholism, drugs as of common practice (Toft et al. 2008) - taking supplements that affect the urine/blood concentrations of biomarkers: fatty acid supplements, supplements containing antioxidants, supplements containing potassium - electronic implants, prostheses, life-sustaining electronic systems, portable electronic medical systems (limitations of bioimpedance analysis (BIA)) - other exclusion criteria at the investigator's discretion
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Comparison of the DQScreen results with biomarkers for food intake and food intake from the weighing protocol. Comparison of the DQScreen results after repeated performance after a washout period. Web-DQScreen extension: Comparison of the interview version of the DQScreen with the DQScreen developed for self-completion (Web-DQScreen) | — |
Secondary
| Measure | Time frame |
|---|---|
| Association of DQScreen results with anthropometric and socioeconomic parameters | — |
Countries
Germany
Contacts
Public ContactLaura Hoffmann
Hochschule Fulda
Outcome results
None listed