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Full-Text Articles in Social and Behavioral Sciences
Re: Food-Frequency Questionnaire For Assessing Long-Chain Ω-3 Fatty-Acid Intake, Barbara Meyer
Re: Food-Frequency Questionnaire For Assessing Long-Chain Ω-3 Fatty-Acid Intake, Barbara Meyer
Faculty of Science, Medicine and Health - Papers: part A
To the Editor: I agree with Kuratko that there is a need for tailored food frequency questionnaires (FFQ), particularly for nutrients that have limited food sources, such as long chain ω-3 polyunsaturated fatty acids (LC ω-3 PUFA). Fish are the best food source of LC ω-3 PUFA, and oily fish such as sardines and Atlantic salmon contain approximately 10 times more LC ω-3 PUFA than lean fish, such as fish cakes/patties. Fish oil supplements are also a rich source of LC ω-3 PUFA, but in Australia they only contribute approximately 8% to total LC ω-3 PUFA intake [1]. Other foods, …
Assessing Long-Chain Ω-3 Polyunsaturated Fatty Acids: A Tailored Food-Frequency Questionnaire Is Better, Barbara J. Meyer, Monika Swierk, Ken Russell
Assessing Long-Chain Ω-3 Polyunsaturated Fatty Acids: A Tailored Food-Frequency Questionnaire Is Better, Barbara J. Meyer, Monika Swierk, Ken Russell
Faculty of Science, Medicine and Health - Papers: part A
Polyunsaturated fatty acids (PUFAs), including the long-chain (LC) ω-3 PUFAs, are important for health. The aim was to assess if the Anti-Cancer Council of Victoria Dietary Questionnaire (ACC DQ) accurately determines PUFA intakes compared with the recently validated electronic PUFA food-frequency questionnaire (FFQ). Forty-one study volunteers were recruited from the local Illawarra region of New South Wales, Australia. The method of triads was used to determine validity coefficients by comparing the ACC DQ intakes against a 3-d weighed food record and appropriate blood biomarkers (erythrocytes and plasma fatty acids). These validity coefficients were subsequently compared with previously published validity coefficients …
Development And Validation Of A Short Questionnaire To Assess Sodium Intake, Karen E. Charlton, Krisela Steyn, Naomi Levitt, Deborah Jonathan, Jabuliswe Zulu, Johanna Nel
Development And Validation Of A Short Questionnaire To Assess Sodium Intake, Karen E. Charlton, Krisela Steyn, Naomi Levitt, Deborah Jonathan, Jabuliswe Zulu, Johanna Nel
Faculty of Science, Medicine and Health - Papers: part A
Objectives: To develop and validate a short, food frequency questionnaire to assess habitual dietary salt intake in South Africans and to allow classification of individuals according to intakes above or below the maximum recommended intake of 6 g salt/day. Design: Cross-sectional validation study in 324 conveniently sampled men and women. Methods: Repeated 24-hr urinary Na values and 24-hr dietary recalls were obtained on three occasions. Food items consumed by > 5% sample and which contributed e 50 mg Na/serving were included in the questionnaire in 42 categories. A scoring system was devised, based on Na content of one index food per …
Validation Of A Food Frequency Questionnaire In Older South Africans, Karen E. Charlton, Estelle V. Lambert
Validation Of A Food Frequency Questionnaire In Older South Africans, Karen E. Charlton, Estelle V. Lambert
Faculty of Science, Medicine and Health - Papers: part A
Objectives: To assess the validity of 213-item semi-qualified food frequency questionnaire (FFQ) in estimating habitual energy and protein intake in a sample of older South Africans. Repeatability of the FFQ was assessed by comparison of reported intakes after a 6-month period. Design: Cross-sectional analytic study Methods: Twenty-one subjects were selected from a baseline sample of 200 non-institutional subjects aged 65 years and over in Cape Town, who had previously been randomly selected for a nurtition and health survey using a two-stage cluster design. Reported dietary energy and protein intakes, estimated by means of the FFQ method, were compared with 24-hour …