The reliability of a food frequency questionnaire for use among ...

Agreement between individual FFQ and FR nutrient intakes was less than ideal. However, the FFQ was able to correctly rank a reasonable proportion of ...

Validity and Reliability of a Food Frequency Questionnaire (FFQ) to ...

Cronbach's alpha values (0.708 to 0.824) and intraclass correlation coefficients (0.710 to 0.826) showed good agreement between repeated FFQs.

Conclusions: Agreement between individual FFQ and FR nutrient intakes was less than ideal. However, the FFQ was able to correctly rank a reasonable proportion ...

The reliability of a food frequency questionnaire for use among ...

Agreement between individual FFQ and FR nutrient intakes was less than ideal, however, the FFQ was able to correctly rank a reasonable proportion of ...

Reliability of a food frequency questionnaire by ethnicity, gender ...

Reliability coefficients were calculated for nutrient intakes reported over a mean elapsed period of three years. Reliability coefficients tended to be higher ...

Validity and reliability of a food frequency questionnaire for ...

Furthermore, despite obtaining good agreement between FFQ and 24HDR, for most nutrients, the use of 24HDR as a reference is known to have ...

Validity and reliability of a semi-quantitative food frequency ...

The number of subjects classified as identical or adjacent was 72.2 to 85.9%. The crude correlation coefficient between FFQs and 24HDRs was 0.30 ...

Validity and Reliability of Semiquantitative Food Frequency ...

Results. There was no significant difference in the nutrient intakes of preschool children between the two FFQs (P > 0.05), and these two FFQs ...

(PDF) Reliability and relative validity of a quantitative food-frequency ...

The FFQ was validated using four 24-h recalls repeated in the same period of time. For the validation study, classification into quartiles from ...

Validity and reliability of a food frequency questionnaire for ...

The reliability and comparative validity of the SDHS FFQ is similar to FFQs that are used worldwide, and the consistency between the same and adjacent ...

(PDF) Validity and Reliability of a Food Frequency Questionnaire ...

For the validation study, Spearman's correlation coefficients showed moderate to high correlations (p < 0.001) between FFQ and 3DR. Cross- ...

Validity and reliability of a Food Frequency Questionnaire (FFQ ...

Reliability was assessed by comparing nutrient intake and food consumption derived from the first FFQ with another FFQ performed four weeks ...

VALIDITY AND RELIABILITY OF A FOOD FREQUENCY ...

Conclusions This study's findings indicated that the developed FFQ is valid and reliable among Lebanese children aged 5–10 years. This validated questionnaire ...

Validity and reliability of food frequency questionnaire used in age ...

The values obtained from the test–retest applications for FFQ reliability were the same. The nutrient intake means obtained from the FFQ ...

Relative validity and reliability of a food frequency questionnaire in ...

Reliability of FFQ intake based on two FFQ administrations was also reasonable with 54% of Pearson correlation coefficients ≥ 0.5. Reliability was high for low ...

The reliability of a food frequency questionnaire for use among ...

Ambrosini G, de Klerk NH, Musk AW, Mackerras D (2001). Agreement between a brief food frequency questionnaire and diet records using two statistical methods ...

Food Frequency Questionnaire - an overview | ScienceDirect Topics

The reliability, or reproducibility, of an FFQ may be evaluated by computing the correlation of responses from repeated administrations of the questionnaire to ...

Relative Validity and Reliability of a Food Frequency Questionnaire ...

The purpose of this study was to develop, test, and validate an FFQ to assess foods consumed by 1- to 3-year- old children in a triethnic population of low- ...

Reliability of the Block Kid's Food Frequency Questionnaire ...

The modified FFQ is a modestly reliable instrument for measuring usual dietary intake in Kuwaiti children. The ICC was higher in boys than in girls, probably ...

Validity and reliability of a Food Frequency Questionnaire (FFQ ...

Reliability was assessed by comparing nutrient intake and food consumption derived ... a food frequency questionnaire for use among adolescents. European Journal ...