Cancer / Humans / Female / Observer Variation / Reproducibility of Results / Sensitivity and Specificity / Predictive value of tests / Sensitivity and Specificity / Predictive value of tests
Psychometrics / Principal Component Analysis / Food / Diet / Humans / Child / Female / Male / Young Adult / Questionnaires / Adult / Public health systems and services research / Reproducibility of Results / Health Food / Cross Sectional Studies / Nutrition Policy / Child / Female / Male / Young Adult / Questionnaires / Adult / Public health systems and services research / Reproducibility of Results / Health Food / Cross Sectional Studies / Nutrition Policy