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Assessing validity of a short food frequency questionnaire on present dietary intake of elderly Icelanders.

https://arctichealth.org/en/permalink/ahliterature126210
Source
Nutr J. 2012;11:12
Publication Type
Article
Date
2012
Author
Tinna Eysteinsdottir
Inga Thorsdottir
Ingibjorg Gunnarsdottir
Laufey Steingrimsdottir
Author Affiliation
Unit for Nutrition Research, University of Iceland and Landspitali National-University Hospital, Reykjavik, Iceland. tinnaey@landspitali.is
Source
Nutr J. 2012;11:12
Date
2012
Language
English
Publication Type
Article
Keywords
Aged
Animals
Cod Liver Oil
Coffee
Dairy Products
Diet - statistics & numerical data
Diet Records
Diet Surveys
Energy intake
Female
Food Habits
Fruit
Geriatric Assessment
Humans
Iceland
Interviews as Topic
Male
Meat
Nutrition Assessment
Questionnaires - standards
Sex Factors
Tea
Vegetables
Abstract
Few studies exist on the validity of food frequency questionnaires (FFQs) administered to elderly people. The aim of this study was to assess the validity of a short FFQ on present dietary intake, developed specially for the AGES-Reykjavik Study, which includes 5,764 elderly individuals. Assessing the validity of FFQs is essential before they are used in studies on diet-related disease risk and health outcomes.
128 healthy elderly participants (74 y ± 5.7; 58.6% female) answered the AGES-FFQ, and subsequently filled out a 3-day weighed food record. Validity of the AGES-FFQ was assessed by comparing its answers to the dietary data obtained from the weighed food records, using Spearman's rank correlation, Chi-Square/Kendall's tau, and a Jonckheere-Terpstra test for trend.
For men a correlation = 0.4 was found for potatoes, fresh fruits, oatmeal/muesli, cakes/cookies, candy, dairy products, milk, pure fruit juice, cod liver oil, coffee, tea and sugar in coffee/tea (r = 0.40-0.71). A lower, but acceptable, correlation was also found for raw vegetables (r = 0.33). The highest correlation for women was found for consumption of rye bread, oatmeal/muesli, raw vegetables, candy, dairy products, milk, pure fruit juice, cod liver oil, coffee and tea (r = 0.40-0.61). An acceptable correlation was also found for fish topping/salad, fresh fruit, blood/liver sausage, whole-wheat bread, and sugar in coffee/tea (r = 0.28-0.37). Questions on meat/fish meals, cooked vegetables and soft drinks did not show a significant correlation to the reference method. Pearson Chi-Square and Kendall's tau showed similar results, as did the Jonckheere-Terpstra trend test.
A majority of the questions in the AGES-FFQ had an acceptable correlation and may be used to rank individuals according to their level of intake of several important foods/food groups. The AGES-FFQ on present diet may therefore be used to study the relationship between consumption of several specific foods/food groups and various health-related endpoints gathered in the AGES-Reykjavik Study.
Notes
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PubMed ID
22413931 View in PubMed
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Fruit and vegetable intake and rate of heart failure: a population-based prospective cohort of women.

https://arctichealth.org/en/permalink/ahliterature266309
Source
Eur J Heart Fail. 2015 Jan;17(1):20-6
Publication Type
Article
Date
Jan-2015
Author
Susanne Rautiainen
Emily B Levitan
Murray A Mittleman
Alicja Wolk
Source
Eur J Heart Fail. 2015 Jan;17(1):20-6
Date
Jan-2015
Language
English
Publication Type
Article
Keywords
Aged
Aged, 80 and over
Cohort Studies
Diet - statistics & numerical data
Female
Fruit
Heart Failure - epidemiology
Humans
Incidence
Middle Aged
Odds Ratio
Prospective Studies
Questionnaires
Sweden - epidemiology
Vegetables
Abstract
Although numerous studies have investigated fruit and vegetable consumption in association with cardiovascular diseases (CVD) such as coronary heart disease and stroke, a limited number of studies have investigated the association with heart failure. The aim of this study was to assess the association between fruit and vegetable intake and the incidence of heart failure among women.
In September 1997, a total of 34,319 women (aged 49-83 years) from the Swedish Mammography Cohort, free of cancer and CVD at baseline, completed a food-frequency questionnaire. Women were followed for incident heart failure (diagnosis as primary or secondary cause) through December 2011 using administrative health registries. Over 12.9?years of follow-up (442,348 person-years), we identified 3051 incident cases of heart failure. Total fruit and vegetable consumption was inversely associated with the rate of heart failure {the multivariable-adjusted rate ratio (RR) in the highest quintile compared with the lowest was 0.80 [95% confidence interval (CI) 0.70-0.90]}. Fruit (mutually adjusted for vegetables) were not significantly associated with rate of heart failure (RR 0.94; 95% CI 0.83-1.07), whereas vegetables showed an inverse association (RR 0.83; 95% CI 0.73-0.95). When investigating the shape of association, we found evidence of a non-linear association (P = 0.01), and the lowest rates of heart failure were observed among women consuming =5 servings/day of fruit and vegetables, without further decrease with increasing intake.
In this population-based prospective cohort study of women, higher total consumption of fruit and vegetables was inversely associated with the incidence of heart failure.
PubMed ID
25382356 View in PubMed
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Total antioxidant capacity from diet and risk of myocardial infarction: a prospective cohort of women.

https://arctichealth.org/en/permalink/ahliterature120472
Source
Am J Med. 2012 Oct;125(10):974-80
Publication Type
Article
Date
Oct-2012
Author
Susanne Rautiainen
Emily B Levitan
Nicola Orsini
Agneta Åkesson
Ralf Morgenstern
Murray A Mittleman
Alicja Wolk
Author Affiliation
Division of Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden. susanne.rautiainen@ki.se
Source
Am J Med. 2012 Oct;125(10):974-80
Date
Oct-2012
Language
English
Publication Type
Article
Keywords
Aged
Aged, 80 and over
Antioxidants
Cereals
Coffee
Cohort Studies
Diet
Diet Surveys
Female
Fruit
Humans
Middle Aged
Multivariate Analysis
Myocardial Infarction - etiology - prevention & control
Proportional Hazards Models
Prospective Studies
Questionnaires
Registries
Sweden
Vegetables
Abstract
There are no previous studies investigating the effect of all dietary antioxidants in relation to myocardial infarction. The total antioxidant capacity of diet takes into account all antioxidants and synergistic effects between them. The aim of this study was to examine how total antioxidant capacity of diet and antioxidant-containing foods were associated with incident myocardial infarction among middle-aged and elderly women.
In the population-based prospective Swedish Mammography Cohort of 49-83-year-old women, 32,561 were cardiovascular disease-free at baseline. Women completed a food-frequency questionnaire, and dietary total antioxidant capacity was calculated using oxygen radical absorbance capacity values. Information on myocardial infarction was identified from the Swedish Hospital Discharge and the Cause of Death registries. Hazard ratios (HR) and 95% confidence intervals (CI) were calculated using Cox proportional hazard models.
During the follow-up (September 1997-December 2007), we identified 1114 incident cases of myocardial infarction (321,434 person-years). In multivariable-adjusted analysis, the HR for women comparing the highest quintile of dietary total antioxidant capacity to the lowest was 0.80 (95% CI, 0.67-0.97; P for trend=0.02). Servings of fruit and vegetables and whole grains were nonsignificantly inversely associated with myocardial infarction.
These data suggest that dietary total antioxidant capacity, based on fruits, vegetables, coffee, and whole grains, is of importance in the prevention of myocardial infarction.
PubMed ID
22998880 View in PubMed
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