Porrini 1995

ID194
TitleBiochemical validation of a self-administered semi-quantitative food-frequency questionnaire
AuthorsPorrini, M.; Gentile, M. G.; Fidanza, F.
Year1995
JournalBr J Nutr
Volume74
Issue3
Pages323-333
PubMed ID7547847
DOI

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
7010AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITHealthyYesFemale + Male75.04427.16.321.12.7

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
85020AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITUrine, 24-hSpectrophotometryNitrogen4468.015.0g/day67045.2 mg/dayCrude
85030AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITUrine, 24-hSpectrophotometryPhosphorus4428.47.4mmol/day28400.0 umol/dayCrude
85040AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITUrine, 24-hPotentiometric methodPotassium4453.814.0mmol/day53800.0 umol/dayCrude
85120AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITPlasma, fastingHPLCbeta-Carotene38391.0192.0ug/L0.4 mg/LCrude
85130AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITPlasma, fastingHPLCalpha-Tocopherol3811.52.5ug/mL11.5 mg/LCrude
85110AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWhole blood, fastingHPLCVitamin C389.92.6mg/L9.9 mg/LCrude

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
85050AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Proteins4468.019.0g/day67045.2 mg/dayCrude
85060AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Phosphorus4441.611.9mmol/day41600.0 umol/dayCrude
85070AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Potassium4463.714.2mmol/day63700.0 umol/dayCrude
85140AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Vitamin CNo38108.749.2mg/day108.7 mg/dayCrude
85150AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)beta-CaroteneNo383569.51308.8ug/day3.6 mg/dayCrude
85160AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)alpha-TocopherolNo384.41.0mg/day4.4 mg/dayCrude
85080AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Proteins4469.017.0g/day68031.2 mg/dayCrude
85090AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Phosphorus4435.38.8mmol/day35300.0 umol/dayCrude
85100AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Potassium4461.113.6mmol/day61100.0 umol/dayCrude
85170AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Vitamin CNo3886.439.7mg/day86.4 mg/dayCrude
85180AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)beta-CaroteneNo382653.21245.2ug/day2.7 mg/dayCrude
85190AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)alpha-TocopherolNo383.71.1mg/day3.7 mg/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
760885058502AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Proteins68.0g/dayUrine, 24-hSpectrophotometryNitrogen68.0g/day44Spearman0.453= 0.003Yes
760985068503AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Phosphorus41.6mmol/dayUrine, 24-hSpectrophotometryPhosphorus28.4mmol/day44Spearman0.389= 0.011Yes
761085078504AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Potassium63.7mmol/dayUrine, 24-hPotentiometric methodPotassium53.8mmol/day44Spearman0.176= 0.249No
761485148511AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)Vitamin CNo108.7mg/dayWhole blood, fastingHPLCVitamin C9.9mg/L38Spearman0.069= 0.676No
761585158512AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)beta-CaroteneNo3569.5ug/dayPlasma, fastingHPLCbeta-Carotene391.0ug/L38Spearman-0.068= 0.679No
761685168513AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITFood Frequency Questionnaire (FFQ)alpha-TocopherolNo4.4mg/dayPlasma, fastingHPLCalpha-Tocopherol11.5ug/mL38Spearman-0.22= 0.18No
761185088502AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Proteins69.0g/dayUrine, 24-hSpectrophotometryNitrogen68.0g/day44Spearman0.769= 0.000Yes
761285098503AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Phosphorus35.3mmol/dayUrine, 24-hSpectrophotometryPhosphorus28.4mmol/day44Spearman0.566= 0.000Yes
761385108504AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Potassium61.1mmol/dayUrine, 24-hPotentiometric methodPotassium53.8mmol/day44Spearman0.417= 0.006Yes
761785178511AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)Vitamin CNo86.4mg/dayWhole blood, fastingHPLCVitamin C9.9mg/L38Spearman0.437= 0.008Yes
761885188512AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)beta-CaroteneNo2653.2ug/dayPlasma, fastingHPLCbeta-Carotene391.0ug/L38Spearman0.439= 0.008Yes
761985198513AllStudents and technicians attending the Agriculture Faculty and the Nursing School of San Carlo Hospital of MilanItalyITWeighed Dietary record (7-day)alpha-TocopherolNo3.7mg/dayPlasma, fastingHPLCalpha-Tocopherol11.5ug/mL38Spearman0.098= 0.551No

Reproducibility values

No data available