Validation of a food frequency questionnaire
to assess the consumption of carotenoids, fruits and vegetables among adolescents: the method of triads.
Conclusion: The first food frequency questionnaire
developed in Turkish language was an adequate and valid tool to assess the nutritional habits of the local population.
Guire, "Counting calories: Partitioning energy intake estimates from a food frequency questionnaire
," The American Journal of Epidemiology, vol.
Validation of a semiquantitative adolescent food frequency questionnaire
applied at a public school in Sao Paulo, Brazil.
Traditional methods of dietary assessment include 24-hour recall, food frequency questionnaires
, dietary journals, and observational studies.
Validity assessment of a food frequency questionnaire
for school age children in Northern Italy.
The food frequency questionnaire
made no distinction between regular and decaffeinated coffee but decaffeinated coffee consumption in the Swedish population is low, Larsson said.
Reproducibility and validity of a Chinese food frequency questionnaire
used in Taiwan.
Materials/Methods: The Arizona Activity Frequency Questionnaire, the Arizona Food Frequency Questionnaire
, and the SF-36 Health and Quality of Life survey were sent to all of the RYGBP patients who had surgery one to five years prior to the study and performed through the same "Center of Excellence" bariatric surgery center (returned n=265 or 33%).
Dietary intake was assessed using a quantitative food frequency questionnaire
, and body composition by means of anthropometry.
Meat intake was estimated from a food frequency questionnaire
administered at the beginning of the study.
Diet was assessed using a 68 item food frequency questionnaire
that was modified to include food items specific to a black population.