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Validity of an FFQ assessing the vitamin D intake of young Serbian women living in a region without food fortification: the method of triads model

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Authors
Đekić-Ivanković, Marija
Weiler, Hope A.
Nikolic, Marina
Kadvan, Agnes
Gurinovic, Mirjana
Mandić, Ljuba M.
Glibetic, Maria
Article (Published version)
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Abstract
Objective: The objective of the present study was to examine the external validity of an FFQ designed to estimate dietary vitamin D intake compared with a plasma biomarker and three repeated 24 h dietary recalls in women of reproductive age in Serbia, where there is no exposure to food fortified with vitamin D. The method of triads was applied. Design: In a cross-sectional study, 422 women completed the Women and Reproductive Health FFQ (WRH-FFQ) during the winter months. From a representative subgroup (n 44), three 24 h dietary recalls and anthropometric parameters were collected as well as a fasting blood sample for vitamin D biomarker analyses. Correlation coefficients were calculated between each of the dietary methods. Validity coefficients, as a correlation between the measured and estimated 'true' exposure, were calculated using the method of triads. Bland-Altman plots were also constructed. Setting: Three major universities in Serbia. Subjects: Healthy young women (n 422) aged ...18-35 years. Results: The WRH-FFQ estimate of vitamin D intake for all participants was 4.0 (SD 3.3) mu g/d and 3.1 (SD 2.3) mu g/d for the subgroup. Bland-Altman plots for these intakes showed high agreement. Validity coefficients for the FFQ, 24 h recall and biomarker were. rho(QI) = 0.847 (95 % CI 0.564, 0.928), rho(RI) = 0.810 (95 % CI 0.537, 0.997) and rho(BI) = 0.499 (95 % CI 0.190, 0.840), while the correlation coefficients were 0.686, 0.422 and 0.404. Conclusions: The FFQ applied in the present study is a valid tool for assessing dietary vitamin D intake in women living in Serbia, a region without mandatory vitamin D food fortification.

Keywords:
FFQ / Vitamin D / Validation / Women / Reproductive health / Method of triads
Source:
Public Health Nutrition, 2016, 19, 4, 437-445
Publisher:
  • Cambridge Univ Press, Cambridge
Funding / projects:
  • An integral study to identify the regional genetic and environmental risk factors for the common noncommunicable diseases in the human population of Serbia - INGEMA_S (RS-41028)
  • Biological effects, nutritional intake and status of folate and polysaturate fatty acid (PUFA): improvement of nutrition in Serbia (RS-41030)
  • Traditional and new products of cultivated and wild growing fruits and grape vines, and by-products durring processing, with special emphasis on indigenous varieties: chemical characterization and biological profile (RS-46013)
Note:
  • Supplementary material: http://cherry.chem.bg.ac.rs/handle/123456789/3658

DOI: 10.1017/S136898001500138X

ISSN: 1368-9800

PubMed: 25959015

WoS: 000372820400010

Scopus: 2-s2.0-84957441123
[ Google Scholar ]
16
14
URI
https://cherry.chem.bg.ac.rs/handle/123456789/1905
Collections
  • Publikacije
Institution/Community
Hemijski fakultet
TY  - JOUR
AU  - Đekić-Ivanković, Marija
AU  - Weiler, Hope A.
AU  - Nikolic, Marina
AU  - Kadvan, Agnes
AU  - Gurinovic, Mirjana
AU  - Mandić, Ljuba M.
AU  - Glibetic, Maria
PY  - 2016
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/1905
AB  - Objective: The objective of the present study was to examine the external validity of an FFQ designed to estimate dietary vitamin D intake compared with a plasma biomarker and three repeated 24 h dietary recalls in women of reproductive age in Serbia, where there is no exposure to food fortified with vitamin D. The method of triads was applied. Design: In a cross-sectional study, 422 women completed the Women and Reproductive Health FFQ (WRH-FFQ) during the winter months. From a representative subgroup (n 44), three 24 h dietary recalls and anthropometric parameters were collected as well as a fasting blood sample for vitamin D biomarker analyses. Correlation coefficients were calculated between each of the dietary methods. Validity coefficients, as a correlation between the measured and estimated 'true' exposure, were calculated using the method of triads. Bland-Altman plots were also constructed. Setting: Three major universities in Serbia. Subjects: Healthy young women (n 422) aged 18-35 years. Results: The WRH-FFQ estimate of vitamin D intake for all participants was 4.0 (SD 3.3) mu g/d and 3.1 (SD 2.3) mu g/d for the subgroup. Bland-Altman plots for these intakes showed high agreement. Validity coefficients for the FFQ, 24 h recall and biomarker were. rho(QI) = 0.847 (95 % CI 0.564, 0.928), rho(RI) = 0.810 (95 % CI 0.537, 0.997) and rho(BI) = 0.499 (95 % CI 0.190, 0.840), while the correlation coefficients were 0.686, 0.422 and 0.404. Conclusions: The FFQ applied in the present study is a valid tool for assessing dietary vitamin D intake in women living in Serbia, a region without mandatory vitamin D food fortification.
PB  - Cambridge Univ Press, Cambridge
T2  - Public Health Nutrition
T1  - Validity of an FFQ assessing the vitamin D intake of young Serbian women living in a region without food fortification: the method of triads model
VL  - 19
IS  - 4
SP  - 437
EP  - 445
DO  - 10.1017/S136898001500138X
UR  - Kon_3024
ER  - 
@article{
author = "Đekić-Ivanković, Marija and Weiler, Hope A. and Nikolic, Marina and Kadvan, Agnes and Gurinovic, Mirjana and Mandić, Ljuba M. and Glibetic, Maria",
year = "2016",
abstract = "Objective: The objective of the present study was to examine the external validity of an FFQ designed to estimate dietary vitamin D intake compared with a plasma biomarker and three repeated 24 h dietary recalls in women of reproductive age in Serbia, where there is no exposure to food fortified with vitamin D. The method of triads was applied. Design: In a cross-sectional study, 422 women completed the Women and Reproductive Health FFQ (WRH-FFQ) during the winter months. From a representative subgroup (n 44), three 24 h dietary recalls and anthropometric parameters were collected as well as a fasting blood sample for vitamin D biomarker analyses. Correlation coefficients were calculated between each of the dietary methods. Validity coefficients, as a correlation between the measured and estimated 'true' exposure, were calculated using the method of triads. Bland-Altman plots were also constructed. Setting: Three major universities in Serbia. Subjects: Healthy young women (n 422) aged 18-35 years. Results: The WRH-FFQ estimate of vitamin D intake for all participants was 4.0 (SD 3.3) mu g/d and 3.1 (SD 2.3) mu g/d for the subgroup. Bland-Altman plots for these intakes showed high agreement. Validity coefficients for the FFQ, 24 h recall and biomarker were. rho(QI) = 0.847 (95 % CI 0.564, 0.928), rho(RI) = 0.810 (95 % CI 0.537, 0.997) and rho(BI) = 0.499 (95 % CI 0.190, 0.840), while the correlation coefficients were 0.686, 0.422 and 0.404. Conclusions: The FFQ applied in the present study is a valid tool for assessing dietary vitamin D intake in women living in Serbia, a region without mandatory vitamin D food fortification.",
publisher = "Cambridge Univ Press, Cambridge",
journal = "Public Health Nutrition",
title = "Validity of an FFQ assessing the vitamin D intake of young Serbian women living in a region without food fortification: the method of triads model",
volume = "19",
number = "4",
pages = "437-445",
doi = "10.1017/S136898001500138X",
url = "Kon_3024"
}
Đekić-Ivanković, M., Weiler, H. A., Nikolic, M., Kadvan, A., Gurinovic, M., Mandić, L. M.,& Glibetic, M.. (2016). Validity of an FFQ assessing the vitamin D intake of young Serbian women living in a region without food fortification: the method of triads model. in Public Health Nutrition
Cambridge Univ Press, Cambridge., 19(4), 437-445.
https://doi.org/10.1017/S136898001500138X
Kon_3024
Đekić-Ivanković M, Weiler HA, Nikolic M, Kadvan A, Gurinovic M, Mandić LM, Glibetic M. Validity of an FFQ assessing the vitamin D intake of young Serbian women living in a region without food fortification: the method of triads model. in Public Health Nutrition. 2016;19(4):437-445.
doi:10.1017/S136898001500138X
Kon_3024 .
Đekić-Ivanković, Marija, Weiler, Hope A., Nikolic, Marina, Kadvan, Agnes, Gurinovic, Mirjana, Mandić, Ljuba M., Glibetic, Maria, "Validity of an FFQ assessing the vitamin D intake of young Serbian women living in a region without food fortification: the method of triads model" in Public Health Nutrition, 19, no. 4 (2016):437-445,
https://doi.org/10.1017/S136898001500138X .,
Kon_3024 .

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