Lietz 2002

ID132
TitleCan the EPIC food-frequency questionnaire be used in adolescent populations?
AuthorsLietz, G.; Barton, K. L.; Longbottom, P. J.; Anderson, A. S.
Year2002
JournalPublic Health Nutr
Volume5
Issue6
Pages783-789
PubMed ID12570886
DOI10.1079/PHN2002344

Subjects

IDParent IDDepthSubject groupPopulationCountryCountry codeEthnicityCohortHealth conditionSmoker proportionSupplement users excluded?GenderFemale proportionSizeAge meanAge SDAge minAge maxAge medianHeight meanHeight SDHeight minHeight maxHeight medianWeight meanWeight SDWeight minWeight maxWeight medianBMI meanBMI SDBMI minBMI maxBMI median
4550AllSecondary school students from Harris Academy in DundeeUnited KingdomGBUnspecifiedFemale + Male64.05012.30.311.813.2154.07.5141.2175.748.311.231.289.820.34.015.338.1

Biomarker concentration values

IDParent IDDepthSubject groupPopulationCountryCountry codeCohortTime definitionBiospecimenAnalytical methodBiomarkerBiomarker detailMeasurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianAdjustment typeAdjusted onRegressed onExpressed as
53920AllSecondary school students from Harris Academy in DundeeUnited KingdomGBUrine, 24-hIon selective electrode (ISE)Potassium2743.421.7mmol/day43400.0 umol/dayCrude
53950AllSecondary school students from Harris Academy in DundeeUnited KingdomGBUrine, 24-hSpectrophotometryNitrogen27481.6230.7mmol/day481600.0 umol/dayCrude

Intake values

IDParent IDDepthSubject groupPopulationCountryCountry codeCohortTime definitionIntake toolIntake food coverageIntake time coverageIntake assessmentCompoundCompound detailSupplement intakes included?Measurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianAdjustment typeAdjusted onRegressed onExpressed as
53940AllSecondary school students from Harris Academy in DundeeUnited KingdomGBFood Frequency Questionnaire (FFQ)Potassium2793.835.1mmol/day93800.0 umol/dayCrude
53970AllSecondary school students from Harris Academy in DundeeUnited KingdomGBFood Frequency Questionnaire (FFQ)Nitrogen271066.0357.1mmol/day1066000.0 umol/dayCrude
53930AllSecondary school students from Harris Academy in DundeeUnited KingdomGBWeighed Dietary record (7-day)Potassium2760.117.6mmol/day60100.0 umol/dayCrude
53960AllSecondary school students from Harris Academy in DundeeUnited KingdomGBWeighed Dietary record (7-day)Nitrogen27712.1157.8mmol/day712100.0 umol/dayCrude

Correlation values

IDIntake IDExcretion IDSubject groupPopulationCountryCountry codeCohortIntake Time definitionIntake assessmentIntakeIntake detailSupplement intakes included?Intake Arithmetic meanIntake Geometric meanIntake MedianIntake UnitIntake Adjusted onBiomarker Time definitionBiological specimenBiomarker Experimental methodBiomarkerBiomarker detailBiomarker Arithmetic meanBiomarker Geometric meanBiomarker MedianBiomarker UnitBiomarker Adjusted onCorrelation sizeCorrelation typeCorrelation valueCorrelation 95% CI lowerCorrelation 95% CI upperCorrelation p-valueSignificant?Measurement adjustmentDeattenuated?Covariates
511253945392AllSecondary school students from Harris Academy in DundeeUnited KingdomGBFood Frequency Questionnaire (FFQ)Potassium93.8mmol/dayUrine, 24-hIon selective electrode (ISE)Potassium43.4mmol/day27Spearman-0.04>= 0.05No
511453975395AllSecondary school students from Harris Academy in DundeeUnited KingdomGBFood Frequency Questionnaire (FFQ)Nitrogen1066.0mmol/dayUrine, 24-hSpectrophotometryNitrogen481.6mmol/day27Spearman-0.2>= 0.05No
511153935392AllSecondary school students from Harris Academy in DundeeUnited KingdomGBWeighed Dietary record (7-day)Potassium60.1mmol/dayUrine, 24-hIon selective electrode (ISE)Potassium43.4mmol/day27Spearman0.78< 0.001Yes
511353965395AllSecondary school students from Harris Academy in DundeeUnited KingdomGBWeighed Dietary record (7-day)Nitrogen712.1mmol/dayUrine, 24-hSpectrophotometryNitrogen481.6mmol/day27Spearman0.45< 0.05Yes

Reproducibility values

No data available