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  • 1
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    Online Resource
    Dietary intake of heme iron is associated with ferritin and hemoglobin levels in Dutch blood donors: results from Donor InSight
    Ferrata Storti Foundation (Haematologica) ; 2019
    In:  Haematologica Vol. 105, No. 10 ( 2019-11-14), p. 2400-2406
    Details
    In: Haematologica, Ferrata Storti Foundation (Haematologica), Vol. 105, No. 10 ( 2019-11-14), p. 2400-2406
    Abstract: Whole blood donors, especially frequently donating donors, have a risk of iron deficiency and low hemoglobin levels, which may affect their health and eligibility to donate. Lifestyle behaviors, such as dietary iron intake and physical activity, may influence iron stores and thereby hemoglobin levels. We aimed to investigate whether dietary iron intake and questionnaire-based moderate-to-vigorous physical activity were associated with hemoglobin levels, and whether ferritin levels mediated these associations. In Donor InSight-III, a Dutch cohort study of blood and plasma donors, data on heme and non-heme iron intake (mg/day), moderate-to-vigorous physical activity (10 minutes/day), hemoglobin levels (mmol/L) and ferritin levels (μg/L) were available in 2,323 donors (1,074 male). Donors with higher heme iron intakes (regression coefficients (β) in men and women: 0.160 and 0.065 mmol/L higher hemoglobin per 1 mg of heme iron, respectively) and lower non-heme iron intakes (β: -0.014 and -0.017, respectively) had higher hemoglobin levels, adjusted for relevant confounders. Ferritin levels mediated these associations (indirect effect (95% confidence interval) in men and women respectively: 0.074 (0.045; 0.111) and 0.061 (0.030; 0.096) for heme and -0.003 (-0.008;0.001) and -0.008 (-0.013;-0.003) for non-heme). Moderate-to-vigorous physical activity was negatively associated with hemoglobin levels in men only (β: -0.005), but not mediated by ferritin levels. In conclusion, higher heme and lower non-heme iron intake were associated with higher hemoglobin levels in donors, via higher ferritin levels. This indicates that donors with high heme iron intake may be more capable of maintaining iron stores to recover hemoglobin levels after blood donation.
    Type of Medium: Online Resource
    ISSN: 1592-8721 , 0390-6078
    URL: Article
    DOI: 10.3324/haematol.2019.229450
    Language: Unknown
    Publisher: Ferrata Storti Foundation (Haematologica)
    Publication Date: 2019
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    detail.hit.zdb_id: 2030158-3
    detail.hit.zdb_id: 2805244-4
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  • 2
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    Development and evaluation of a diet quality screener to assess adherence to the Dutch food-based dietary guidelines
    Cambridge University Press (CUP) ; 2022
    In:  British Journal of Nutrition Vol. 128, No. 8 ( 2022-10-28), p. 1615-1625
    Details
    In: British Journal of Nutrition, Cambridge University Press (CUP), Vol. 128, No. 8 ( 2022-10-28), p. 1615-1625
    Abstract: The Eetscore FFQ was developed to score the Dutch Healthy Diet index 2015 (DHD2015-index) representing the Dutch food-based dietary guidelines of 2015. This paper describes the development of the Eetscore FFQ, a short screener assessing diet quality, examines associations between diet quality and participants’ characteristics, and evaluates the relative validity and reproducibility of the Eetscore FFQ in a cross-sectional study with Dutch adults. The study sample consisted of 751 participants, aged 19–91 years, recruited from the EetMeetWeet research panel. The mean DHD2015-index score based on the Eetscore FFQ of the total sample was 111 ( sd 17·5) out of a maximum score of 160 points and was significantly higher in women than in men, positively associated with age and education level, and inversely associated with BMI. The Kendall’s tau-b coefficient of the DHD2015-index between the Eetscore FFQ and the full-length FFQ (on average 1·7-month interval, n 565) was 0·51 (95 % CI 0·47, 0·55), indicating an acceptable ranking ability. The intraclass correlation coefficient between DHD2015-index scores derived from two repeated Eetscore FFQ (on average 3·8-month interval, n 343) was 0·91 (95 % CI 0·89, 0·93) suggesting a very good reproducibility. In conclusion, the Eetscore FFQ was considered acceptable in ranking participants according to their diet quality compared with the full-length FFQ and showed good to excellent reproducibility.
    Type of Medium: Online Resource
    ISSN: 0007-1145 , 1475-2662
    URL: Article
    DOI: 10.1017/S0007114521004499
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2022
    detail.hit.zdb_id: 2016047-1
    SSG: 12
    SSG: 21
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  • 3
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    Online Resource
    Development and external validation of the ‘Flower-FFQ’: a FFQ designed for the Lifelines Cohort Study
    Cambridge University Press (CUP) ; 2021
    In:  Public Health Nutrition
    Details
    In: Public Health Nutrition, Cambridge University Press (CUP)
    Abstract: FFQ assess habitual dietary intake and are relatively inexpensive to process, but may take up to 60 min to complete. This article describes the validation of the Flower-FFQ, which consists of four short FFQ measuring the intake of energy and macronutrients or specific (micro)nutrients/foods that can be merged into one complete daily assessment using predefined algorithms. Design: Participants completed the Flower-FFQ and validated regular-FFQ ( n 401). Urinary N ( n 242) and K excretions ( n 361) were measured. We evaluated: (1) group-level bias, (2) correlations and (3) cross-classification. Setting: Observational study. Participants: Dutch adults, 54 ± 11 (mean ± SD) years. Results: Flower-FFQ1, Flower-FFQ2, Flower-FFQ3 and Flower-FFQ4 were completed in ±24, 9, 8 and 9 min (±50 min total), respectively. The regular-FFQ was completed in ±43 min. Mean energy (flower v . regular: 7953 v . 8718 kJ/d) and macronutrient intakes (carbohydrates: 204 v . 222 g/d; protein: 75 v . 76 g/d; fat: 74 v . 83 g/d; ethanol: 8 v . 12 g/d) were comparatively similar. Spearman correlations between Flower-FFQ and regular-FFQ ranged from 0·60 to 0·80 for macronutrients and from 0·40 to 0·80 for micronutrients and foods. For all micronutrients and foods, ≥ 78 % of the participants classified in the same/adjacent quartile. The Flower-FFQ underestimated urinary N and K excretions by 24 and 18 %; 75 and 73 % of the participants ranked in the same/adjacent quartile. Conclusion: Completing the Flower-FFQ required 50 min with a maximum of 25 min per short FFQ. The Flower-FFQ has a moderate to good ranking ability for most nutrients and foods and performs sufficiently to study diet–disease associations.
    Type of Medium: Online Resource
    ISSN: 1368-9800 , 1475-2727
    URL: Article
    DOI: 10.1017/S1368980021002111
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2021
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    SSG: 21
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  • 4
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    Online Resource
    Evaluation of dietary intake assessed by the Dutch self-administered web-based dietary 24-h recall tool (Compl-eat™) against interviewer-administered telephone-based 24-h recalls
    Cambridge University Press (CUP) ; 2017
    In:  Journal of Nutritional Science Vol. 6 ( 2017)
    Details
    In: Journal of Nutritional Science, Cambridge University Press (CUP), Vol. 6 ( 2017)
    Abstract: Self-administered web-based 24-h dietary recalls (24 hR) may save a lot of time and money as compared with interviewer-administered telephone-based 24 hR interviews and may therefore be useful in large-scale studies. Within the Nutrition Questionnaires plus (NQplus) study, the web-based 24 hR tool Compl-eat™ was developed to assess Dutch participants’ dietary intake. The aim of the present study was to evaluate the performance of this tool against the interviewer-administered telephone-based 24 hR method. A subgroup of participants of the NQplus study (20–70 years, n 514) completed three self-administered web-based 24 hR and three telephone 24 hR interviews administered by a dietitian over a 1-year period. Compl-eat™ as well as the dietitians guided the participants to report all foods consumed the previous day. Compl-eat™ on average underestimated the intake of energy by 8 %, of macronutrients by 10 % and of micronutrients by 13 % as compared with telephone recalls. The agreement between both methods, estimated using Lin's concordance coefficients (LCC), ranged from 0·15 for vitamin B 1 to 0·70 for alcohol intake (mean LCC 0·38). The lower estimations by Compl-eat™ can be explained by a lower number of total reported foods and lower estimated intakes of the food groups, fats, oils and savoury sauces, sugar and confectionery, dairy and cheese. The performance of the tool may be improved by, for example, adding an option to automatically select frequently used foods and including more recall cues. We conclude that Compl-eat™ may be a useful tool in large-scale Dutch studies after suggested improvements have been implemented and evaluated.
    Type of Medium: Online Resource
    ISSN: 2048-6790
    URL: Article
    DOI: 10.1017/jns.2017.45
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2017
    detail.hit.zdb_id: 2656288-1
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  • 5
    Online Resource
    Online Resource
    Dietary patterns and physical activity in the metabolically (un)healthy obese: the Dutch Lifelines cohort study
    Springer Science and Business Media LLC ; 2018
    In:  Nutrition Journal Vol. 17, No. 1 ( 2018-12)
    Details
    In: Nutrition Journal, Springer Science and Business Media LLC, Vol. 17, No. 1 ( 2018-12)
    Type of Medium: Online Resource
    ISSN: 1475-2891
    URL: Article
    DOI: 10.1186/s12937-018-0319-0
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2018
    detail.hit.zdb_id: 2091602-4
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  • 6
    Online Resource
    Online Resource
    Dietary Intake Pattern is Associated with Occurrence of Flares in IBD Patients
    Oxford University Press (OUP) ; 2021
    In:  Journal of Crohn's and Colitis Vol. 15, No. 8 ( 2021-08-02), p. 1305-1315
    Details
    In: Journal of Crohn's and Colitis, Oxford University Press (OUP), Vol. 15, No. 8 ( 2021-08-02), p. 1305-1315
    Abstract: Diet is associated with the onset of inflammatory bowel disease [IBD]. Up to half of IBD patients believe that diet contributes to flares. However, studies on this topic are sparse and merely focus on specific nutrients, food items or food groups. We aimed to analyse the association between dietary patterns and flare occurrence in two geographically distinct Dutch cohorts. Methods In this longitudinal study, 724 IBD patients [Northern cohort: n = 486, Southern cohort: n = 238] were included and followed for 2 years. Habitual dietary intake was obtained via semi-quantitative food frequency questionnaires at baseline. Principal component analysis [PCA] was conducted on 22 food groups to identify dietary patterns. Flare occurrence was analysed in 427 patients in remission at baseline, using multivariable Cox proportional hazards. Results Compared to the Southern cohort, patients in the Northern cohort were younger at diagnosis, comprised more females, and had lower overall energy intakes [all p  & lt; 0.05]. PCA revealed three dietary patterns explaining 28.8% of the total variance. The most pronounced pattern [explaining 11.6%] was characterized by intake of grain products, oils, potatoes, processed meat, red meat, condiments and sauces, and sugar, cakes and confectionery. Of the 427 patients, 106 [24.8%] developed an exacerbation during follow-up. The above dietary pattern was associated with flare occurrence (hazard ratio [HR] : 1.51, 95% confidence interval [CI]: 1.04–2.18, p = 0.029), as was female sex [HR: 1.63, 95% CI 1.04–2.55, p = 0.032] . Conclusions A dietary pattern, which can be seen as a ‘traditional [Dutch]’ or “Western’ pattern was associated with flare occurrence. Confirmation in prospective studies is needed.
    Type of Medium: Online Resource
    ISSN: 1873-9946 , 1876-4479
    URL: Article
    DOI: 10.1093/ecco-jcc/jjab008
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2021
    detail.hit.zdb_id: 2389631-0
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  • 7
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    Online Resource
    Dietary Intake in the Lifelines Cohort Study: Baseline Results from the Flower Food Frequency Questionnaire among 59,982 Participants
    MDPI AG ; 2021
    In:  Nutrients Vol. 14, No. 1 ( 2021-12-23), p. 48-
    Details
    In: Nutrients, MDPI AG, Vol. 14, No. 1 ( 2021-12-23), p. 48-
    Abstract: The role of nutrition in health and disease is well established. However, more research on this topic is needed to fill gaps in our current knowledge. The Lifelines cohort study, a large Dutch prospective cohort study, was established as a resource for international researchers, aiming to obtain insight into the aetiology of healthy ageing. The study started with 167,729 participants, covering three generations, aiming to follow them for thirty years. This article describes the habitual dietary intake, assessed using the Flower Food Frequency Questionnaire (FFQ), among Lifelines cohort study participants at baseline, stratified by sex and different categories of age, socioeconomic status (SES) and body mass index (BMI). A total of 59,982 adults (23,703 men and 36,279 women), who completed the Flower FFQ and reported plausible habitual dietary intake, were included in the analyses. Median daily energy intake was higher in men (2368 kcal) than in women (1848 kcal), as well as macronutrient intake. Energy and macronutrient intake decreased with increasing age and BMI categories; no differences were observed between SES categories. Intake of most micronutrients was higher in men than in women. Differences were observed between age categories, but not between SES and BMI categories. Food groups were consumed in different amounts by men and women; differences between age, SES and BMI categories were observed as well. The Lifelines cohort study provides extensive dietary intake data, which are generalisable to the general Dutch population. As such, highly valuable dietary intake data are available to study associations between dietary intake and the development of chronic diseases and healthy aging.
    Type of Medium: Online Resource
    ISSN: 2072-6643
    URL: Article
    DOI: 10.3390/nu14010048
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2518386-2
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