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Development and validation of a semi-quantitative food frequency questionnaire to assess dietary intake in Turkish adults.

Published on Jul 1, 2015in Journal of Pakistan Medical Association0.64
Fatma Esra3
Estimated H-index: 3
,
Nese Imeryuz6
Estimated H-index: 6
+ 4 AuthorsMahshid Dehghan22
Estimated H-index: 22
Abstract
Objectives: To validate the original food frequency questionnaire in Turkish adult population. Methods: The cross-sectional study was conducted in June and December 2008 and 2009, and comprised adults of either gender aged 30-70 years. All subjects were Caucasians and were native Turkish speakers. The food frequency questionnaire containing 229 most frequently consumed foods under 7 topics was used for data collection. It was completed twice and the 24-hour dietary recall four times in a year. In order to assess the validity of the questionnaire, Pearson correlation, attenuation coefficient, measures of agreement between the two methods, weighted kappa statistics and Bland-Altman plots were employed. SPSS 16 was used for statistical analysis. Results: Of the 120 subjects in the study, 71(59%) were males and 49(41%) were females with an overall mean age of 50.16±9.76 years. The correlation of estimated nutrient intake between the food frequency questionnaire and 24-hour dietary recall varied between 0.200 and 0.468, energy-adjusted regression was between 0.044 and 0.611 and attenuation coefficients of regression were between 0.339 and 0.658 for the selected macro and micro nutrients. Bland-Altman plots showed an acceptable agreement between the two methods. When nutrient intake was categorised in quartiles, proportions of the same or adjacent quartiles were 98.3%, 98.4%, 98.3%, 96.7% and 95% for energy, fat, protein, carbohydrates and fibre, respectively. 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.
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Published on Apr 3, 2019in BMC Women's Health
M. B. Hocaoglu (EMU: Eastern Mediterranean University), S. Gurkas (Istanbul University)+ 15 AuthorsMatthew A. Allison59
Estimated H-index: 59
Background There is lack of population level data on prevalence and distribution of common benign women’s health conditions such as endometriosis, uterine fibroids, polycystic ovary syndrome from the Eastern Mediterranean region despite their significant consequences on quality of life. In particular, there is complete absence of any health statistics from Northern Cyprus, which is an emerging region in Europe. The Cyprus Women’s Health Research (COHERE) Initiative is the first large-scale cross...
Published on Nov 1, 2017in The Lancet59.10
Mahshid Dehghan22
Estimated H-index: 22
(Population Health Research Institute),
Andrew Mente30
Estimated H-index: 30
(McMaster University)
+ 352 AuthorsAnders H. Rosengren84
Estimated H-index: 84
(University of Gothenburg)
Summary Background The relationship between macronutrients and cardiovascular disease and mortality is controversial. Most available data are from European and North American populations where nutrition excess is more likely, so their applicability to other populations is unclear. Methods The Prospective Urban Rural Epidemiology (PURE) study is a large, epidemiological cohort study of individuals aged 35–70 years (enrolled between Jan 1, 2003, and March 31, 2013) in 18 countries with a median fo...
Published on Nov 1, 2017in The Lancet59.10
Victoria Miller2
Estimated H-index: 2
(Population Health Research Institute),
Andrew Mente30
Estimated H-index: 30
(Population Health Research Institute)
+ 352 AuthorsScott A. Lear39
Estimated H-index: 39
(SFU: Simon Fraser University)
Summary Background The association between intake of fruits, vegetables, and legumes with cardiovascular disease and deaths has been investigated extensively in Europe, the USA, Japan, and China, but little or no data are available from the Middle East, South America, Africa, or south Asia. Methods We did a prospective cohort study (Prospective Urban Rural Epidemiology [PURE] in 135 335 individuals aged 35 to 70 years without cardiovascular disease from 613 communities in 18 low-income, middle-i...