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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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A cohort study on diet and the risk of Parkinson's disease: the role of food groups and diet quality.

https://arctichealth.org/en/permalink/ahliterature123246
Source
Br J Nutr. 2013 Jan 28;109(2):329-37
Publication Type
Article
Date
Jan-28-2013
Author
K. Sääksjärvi
P. Knekt
A. Lundqvist
S. Männistö
M. Heliövaara
H. Rissanen
R. Järvinen
Author Affiliation
National Institute for Health and Welfare, Helsinki, Finland.
Source
Br J Nutr. 2013 Jan 28;109(2):329-37
Date
Jan-28-2013
Language
English
Publication Type
Article
Keywords
Adult
Aged
Animals
Cohort Studies
Diet - adverse effects
Female
Finland - epidemiology
Follow-Up Studies
Food Habits
Food Quality
Fruit
Health Surveys
Humans
Incidence
Male
Middle Aged
Milk - adverse effects
Parkinson Disease - epidemiology - etiology - prevention & control
Proportional Hazards Models
Prospective Studies
Risk factors
Sex Characteristics
Abstract
Previous studies on individual foods and nutrients and Parkinson's disease (PD) risk have been inconsistent. Furthermore, only one study has examined the association between the quality of diet and PD. We investigated the prediction of food groups and diet quality on PD in the Finnish Mobile Clinic Survey (1966-72). The population comprised 4524 individuals, aged 40-79 years and free from PD at baseline. Data collection included health examinations, a questionnaire and a 1-year dietary history interview. A modified Alternate Healthy Eating Index was formed to assess diet quality. Statistical analyses were based on Cox's model. During a 41-year follow-up, eighty-five incident cases of PD occurred. No statistically significant associations were found between PD incidence and most of the food groups examined. A few exceptions were fruits and berries in men and milk in women, which showed positive associations. An inverse association between the intake of meat products and PD was found in women. The diet quality index did not predict PD, the adjusted relative risk between the highest and lowest quartiles being 1.83 (95 % CI 0.65, 5.18) in men and 0.97 (95 % CI 0.38, 2.48) in women. The present study suggests that since most of the single food groups or the quality of diet did not predict PD occurrence, the role of diet is apparently rather modest.
PubMed ID
22716925 View in PubMed
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Dietary antioxidants and the risk of lung cancer.

https://arctichealth.org/en/permalink/ahliterature225751
Source
Am J Epidemiol. 1991 Sep 1;134(5):471-9
Publication Type
Article
Date
Sep-1-1991
Author
P. Knekt
R. Järvinen
R. Seppänen
A. Rissanen
A. Aromaa
O P Heinonen
D. Albanes
M. Heinonen
E. Pukkala
L. Teppo
Author Affiliation
Research Institute for Social Security, Social Insurance Institution, Helsinki, Finland.
Source
Am J Epidemiol. 1991 Sep 1;134(5):471-9
Date
Sep-1-1991
Language
English
Publication Type
Article
Keywords
Adult
Aged
Antioxidants - pharmacology
Ascorbic Acid - pharmacology
Carotenoids - pharmacology
Cohort Studies
Dairy Products
Diet
Eating
Finland
Follow-Up Studies
Fruit
Humans
Lung Neoplasms - etiology - prevention & control
Male
Meat products
Middle Aged
Proportional Hazards Models
Retinoids - pharmacology
Risk
Selenium - pharmacology
Smoking
Vegetables
Vitamin E - pharmacology
Abstract
The relation between the intake of retinoids, carotenoids, vitamin E, vitamin C, and selenium and the subsequent risk of lung cancer was studied among 4,538 initially cancer-free Finnish men aged 20-69 years. During a follow-up of 20 years beginning in 1966-1972, 117 lung cancer cases were diagnosed. Inverse gradients were observed between the intake of carotenoids, vitamin E, and vitamin C and the incidence of lung cancer among nonsmokers, for whom the age-adjusted relative risks of lung cancer in the lowest tertile of intake compared with that in the highest tertile were 2.5 (p value for trend = 0.04), 3.1 (p = 0.12), and 3.1 (p less than 0.01) for the three intakes, respectively. Adjustment for various potential confounding factors did not materially alter the results, and the associations did not seem to be due to preclinical cancer. In the total cohort, there was an inverse association between intake of margarine and fruits and risk of lung cancer. The relative risk of lung cancer for the lowest compared with the highest tertile of margarine intake was 4.0 (p less than 0.001), and that for fruits was 1.8 (p = 0.01). These associations persisted after adjustment for the micronutrient intakes and were stronger among nonsmokers. The results suggest that carotenoids, vitamin E, and vitamin C may be protective against lung cancer among nonsmokers. Food sources rich in these micronutrients may also have other constituents with independent protective effects against lung cancer.
Notes
Comment In: Am J Epidemiol. 1992 Nov 1;136(9):1167-9; author reply 1169-701462977
PubMed ID
1897503 View in PubMed
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Dietary flavonoids and the risk of lung cancer and other malignant neoplasms.

https://arctichealth.org/en/permalink/ahliterature207880
Source
Am J Epidemiol. 1997 Aug 1;146(3):223-30
Publication Type
Article
Date
Aug-1-1997
Author
P. Knekt
R. Järvinen
R. Seppänen
M. Hellövaara
L. Teppo
E. Pukkala
A. Aromaa
Author Affiliation
National Public Health Institute, Helsinki, Finland.
Source
Am J Epidemiol. 1997 Aug 1;146(3):223-30
Date
Aug-1-1997
Language
English
Publication Type
Article
Keywords
Adolescent
Adult
Aged
Aged, 80 and over
Antioxidants - administration & dosage
Diet Surveys
Female
Finland - epidemiology
Flavonoids - administration & dosage
Fruit
Humans
Lung Neoplasms - epidemiology
Male
Middle Aged
Neoplasms - epidemiology
Risk factors
Vegetables
Abstract
Flavonoids are effective antioxidants and, in theory, may provide protection against cancer, although direct human evidence of this is scarce. The relation between the intake of antioxidant flavonoids and subsequent risk of cancer was studied among 9,959 Finnish men and women aged 15-99 years and initially cancer free. Food consumption was estimated by the dietary history method, covering the total habitual diet during the previous year. During a follow-up in 1967-1991, 997 cancer cases and 151 lung cancer cases were diagnosed. An inverse association was observed between the intake of flavonoids and incidence of all sites of cancer combined. The sex- and age-adjusted relative risk of all sites of cancer combined between the highest and lowest quartiles of flavonoid intake was 0.80 (95% confidence interval 0.67-0.96). This association was mainly a result of lung cancer, which presented a corresponding relative risk of 0.54 (95% confidence interval 0.34-0.87). The association between flavonoid intake and lung cancer incidence was not due to the intake of antioxidant vitamins or other potential confounding factors, as adjustment for factors such as smoking and intakes of energy, vitamin E, vitamin C, and beta-carotene did not materially alter the results. The association was strongest in persons under 50 years of age and in nonsmokers with relative risks of 0.33 (95% confidence interval 0.15-0.77) and 0.13 (95% confidence interval 0.03-0.58), respectively. Of the major dietary flavonoid sources, the consumption of apples showed an inverse association with lung cancer incidence, with a relative risk of 0.42 (95% confidence interval 0.23-0.76) after adjustment for the intake of other fruits and vegetables. The results are in line with the hypothesis that flavonoid intake in some circumstances may be involved in the cancer process, resulting in lowered risks.
PubMed ID
9247006 View in PubMed
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[Diet of six-year-old Icelandic children - National dietary survey 2011-2012].

https://arctichealth.org/en/permalink/ahliterature117006
Source
Laeknabladid. 2013 Jan;99(1):17-23
Publication Type
Article
Date
Jan-2013
Author
Ingibjorg Gunnarsdottir
Hafdis Helgadottir
Birna Thorisdottir
Inga Thorsdottir
Author Affiliation
University of Iceland, Iceland. ingigun@hi.is
Source
Laeknabladid. 2013 Jan;99(1):17-23
Date
Jan-2013
Language
Icelandic
Geographic Location
Iceland
Publication Type
Article
Keywords
Age Factors
Child
Child Behavior
Child Nutritional Physiological Phenomena
Dairy Products
Diet
Dietary Fats
Dietary Fiber
Dietary Sucrose
Energy intake
Food Habits
Fruit
Humans
Iceland
Minerals
Nutrition Assessment
Nutrition Policy
Nutrition Surveys
Nutritional Status
Seafood
Vegetables
Vitamins
Abstract
Knowledge of dietary habits makes the basis for public nutrition policy. The aim of this study was to assess dietary intake of Icelandic six-year-olds.
Subjects were randomly selected six-year-old children (n=162). Dietary intake was assessed by three-day-weighed food records. Food and nutrient intake was compared with the Icelandic food based dietary guidelines (FBDG) and recommended intake of vitamins and minerals.
Fruit and vegetable intake was on average 275±164 g/d, and less than 20% of the subjects consumed =400 g/day. Fish and cod liver oil intake was in line with the FBDG among approximately 25% of subjects. Most subjects (87%) consumed at least two portions of dairy products daily. Food with relatively low nutrient density (cakes, cookies, sugar sweetened drinks, sweets and ice-cream) provided up to 25% of total energy intake. The contribution of saturated fatty acids to total energy intake was 14.1%. Less than 20% of the children consumed dietary fibers in line with recommendations, and for saturated fat and salt only 5% consumed less than the recommended upper limits. Average intake of most vitamins and minerals, apart from vitamin-D, was higher than the recommended intake.
Although the vitamin and mineral density of the diet seems adequate, with the exception of vitamin-D, the contribution of low energy density food to total energy intake is high. Intake of vegetables, fruits, fish and cod liver oil is not in line with public recommendations. Strategies aiming at improving diet of young children are needed.
PubMed ID
23341402 View in PubMed
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Do descriptive norms related to parents and friends predict fruit and vegetable intake similarly among 11-year-old girls and boys?

https://arctichealth.org/en/permalink/ahliterature271271
Source
Br J Nutr. 2016 Jan 14;115(1):168-75
Publication Type
Article
Date
Jan-14-2016
Author
Elviira Lehto
Carola Ray
Ari Haukkala
Agneta Yngve
Inga Thorsdottir
Eva Roos
Source
Br J Nutr. 2016 Jan 14;115(1):168-75
Date
Jan-14-2016
Language
English
Publication Type
Article
Keywords
Attitude
Child
Diet - standards
Eating
Energy intake
Female
Finland
Food Habits
Food Preferences
Friends
Fruit
Humans
Male
Parents
Sex Factors
Social Environment
Surveys and Questionnaires
Vegetables
Abstract
We examined whether there are sex differences in children's fruit and vegetable (FV) intake and in descriptive norms (i.e. perceived FV intake) related to parents and friends. We also studied whether friends' impact is as important as that of parents on children's FV intake. Data from the PRO GREENS project in Finland were obtained from 424 children at the age 11 years at baseline. At baseline, 2009 children filled in a questionnaire about descriptive norms conceptualised as perceived FV intake of their parents and friends. They also filled in a validated FFQ that assessed their FV intake both at baseline and in the follow-up in 2010. The associations were examined with multi-level regression analyses with multi-group comparisons. Girls reported higher perceived FV intake of friends and higher own fruit intake at baseline, compared with boys, and higher vegetable intake both at baseline and in the follow-up. Perceived FV intake of parents and friends was positively associated with both girls' and boys' FV intake in both study years. The impact of perceived fruit intake of the mother was stronger among boys. The change in children's FV intake was affected only by perceived FV intake of father and friends. No large sex differences in descriptive norms were found, but the impact of friends on children's FV intake can generally be considered as important as that of parents. Future interventions could benefit from taking into account friends' impact as role models on children's FV intake.
PubMed ID
26450715 View in PubMed
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Flavonoid intake and coronary mortality in Finland: a cohort study.

https://arctichealth.org/en/permalink/ahliterature212623
Source
BMJ. 1996 Feb 24;312(7029):478-81
Publication Type
Article
Date
Feb-24-1996
Author
P. Knekt
R. Jarvinen
A. Reunanen
J. Maatela
Author Affiliation
National Public Health Institute, Helsinki, Finland.
Source
BMJ. 1996 Feb 24;312(7029):478-81
Date
Feb-24-1996
Language
English
Publication Type
Article
Keywords
Adult
Aged
Allium
Cohort Studies
Coronary Disease - mortality
Diet
Female
Finland - epidemiology
Flavonoids - administration & dosage
Fruit
Humans
Male
Middle Aged
Quercetin - administration & dosage
Risk factors
Abstract
To study the association between dietary intake of flavonoids and subsequent coronary mortality.
A cohort study based on data collected at the Finnish mobile clinic health examination survey from 1967-72 and followed up until 1992.
30 communities from different parts of Finland.
5133 Finnish men and women aged 30-69 years and free from heart disease at baseline.
Dietary intake of flavonoids, total mortality, and coronary mortality.
In women a significant inverse gradient was observed between dietary intake of flavonoids and total and coronary mortality. The relative risks between highest and lowest quarters of flavonoid intake adjusted for age, smoking, serum cholesterol concentration, blood pressure, and body mass index were 0.69 (95% confidence interval 0.53 to 0.90) and 0.54 (0.33 to 0.87) for total and coronary mortality, respectively. The corresponding values for men were 0.76 (0.63 to 0.93) and 0.78 (0.56 to 1.08), respectively. Adjustment for intake of antioxidant vitamins and fatty acids weakened the associations for women; the relative risks for coronary heart disease were 0.73 (0.41 to 1.32) and 0.67 (0.44 to 1.00) in women and men, respectively. Intakes of onions and apples, the main dietary sources of flavonoids, presented similar associations. The relative risks for coronary mortality between highest and lowest quarters of apple intake were 0.57 (0.36 to 0.91) and 0.81 (0.61 to 1.09) for women and men, respectively. The corresponding values for onions were 0.50 (0.30 to 0.82) and 0.74 (0.53 to 1.02), respectively.
The results suggest that people with very low intakes of flavonoids have higher risks of coronary disease.
Notes
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Comment In: BMJ. 1996 Feb 24;312(7029):458-98597666
Comment In: BMJ. 1996 Jun 8;312(7044):1479; author reply 14808664651
PubMed ID
8597679 View in PubMed
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Food consumption and the incidence of type II diabetes mellitus.

https://arctichealth.org/en/permalink/ahliterature176440
Source
Eur J Clin Nutr. 2005 Mar;59(3):441-8
Publication Type
Article
Date
Mar-2005
Author
J. Montonen
R. Järvinen
M. Heliövaara
A. Reunanen
A. Aromaa
P. Knekt
Author Affiliation
National Public Health Institute, Helsinki, Finland. jukka.montonen@ktl.fi
Source
Eur J Clin Nutr. 2005 Mar;59(3):441-8
Date
Mar-2005
Language
English
Publication Type
Article
Keywords
Adult
Aged
Cohort Studies
Confidence Intervals
Diabetes Mellitus, Type 2 - epidemiology - prevention & control
Diet Surveys
Female
Finland - epidemiology
Food Habits
Fruit
Humans
Incidence
Male
Middle Aged
Odds Ratio
Prospective Studies
Risk
Risk factors
Vegetables
Abstract
The consumption of different foods was studied for their ability to predict type II diabetes mellitus.
The study design was a cohort study, based on the Finnish Mobile Clinic Health Examination Survey.
A total of 30 communities from different parts of Finland.
A total of 4304 men and women, 40-69 y of age and free of diabetes at baseline in 1967-1972 and followed up for incidence of diabetes medication during 23 y (383 incident cases).
Higher intakes of green vegetables, fruit and berries, oil and margarine, and poultry were found to predict a reduced risk of type II diabetes. The relative risks of developing type II diabetes between the extreme quartiles of the intakes were 0.69 (95% confidence interval (CI) = 0.50-0.93; P for trend (P) = 0.02) for green vegetables, 0.69 (CI = 0.51-0.92; P = 0.03) for fruit and berries, 0.71 (CI = 0.52-0.98; P = 0.01) for margarine and oil, and 0.71 (CI = 0.54-0.94; P = 0.01) for poultry.
The results suggest that prevention of type II diabetes might be aided by consumption of certain foods that are rich in nutrients with hypothesized health benefits.
PubMed ID
15674312 View in PubMed
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The PRO GREENS intervention in Finnish schoolchildren - the degree of implementation affects both mediators and the intake of fruits and vegetables.

https://arctichealth.org/en/permalink/ahliterature258776
Source
Br J Nutr. 2014 Oct 14;112(7):1185-94
Publication Type
Article
Date
Oct-14-2014
Author
Reetta Lehto
Suvi Määttä
Elviira Lehto
Carola Ray
Saskia Te Velde
Nanna Lien
Inga Thorsdottir
Agneta Yngve
Eva Roos
Source
Br J Nutr. 2014 Oct 14;112(7):1185-94
Date
Oct-14-2014
Language
English
Publication Type
Article
Keywords
Child
Diet
Europe
Faculty
Female
Finland
Food Preferences
Fruit
Health Education - methods
Health Knowledge, Attitudes, Practice
Health Plan Implementation
Health promotion
Humans
Male
School Health Services - statistics & numerical data
Snacks
Students
Vegetables
Abstract
Little is known about the mediating effects of the determinants of fruit and vegetable (FV) intake in school-based interventions that promote FV intake, and few studies have examined the impact of the degree of implementation on the effects of an intervention. The present study examined whether the degree of implementation of an intervention had an effect on children's fruit or vegetable intake and determined possible mediators of this effect. The study is part of the European PRO GREENS intervention study which aimed to develop effective strategies to promote consumption of fruit and vegetables in schoolchildren across Europe. Data from 727 Finnish children aged 11 years were used. The baseline study was conducted in spring 2009 and the follow-up study 12 months later. The intervention was conducted during the school year 2009-2010. The effects were examined using multilevel mediation analyses. A high degree of implementation of the intervention had an effect on children's fruit intake. Knowledge of recommendations for FV intake and liking mediated the association between a high degree of implementation of the intervention and an increase in the frequency of fruit intake. Knowledge of recommendations for FV intake and bringing fruits to school as a snack mediated the association between a low degree of implementation of the intervention and an increase in the frequency of fruit intake. Overall, the model accounted for 34 % of the variance in the change in fruit intake frequency. Knowledge of recommendations acted as a mediator between the degree of implementation of the intervention and the change in vegetable intake frequency. In conclusion, the degree of implementation had an effect on fruit intake, and thus in future intervention studies the actual degree of implementation of interventions should be assessed when considering the effects of interventions.
PubMed ID
25106046 View in PubMed
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Role of various carotenoids in lung cancer prevention.

https://arctichealth.org/en/permalink/ahliterature203297
Source
J Natl Cancer Inst. 1999 Jan 20;91(2):182-4
Publication Type
Article
Date
Jan-20-1999
Author
P. Knekt
R. Järvinen
L. Teppo
A. Aromaa
R. Seppänen
Author Affiliation
National Public Health Institute, Helsinki, Finland. paul.knekt@ktl.fi
Source
J Natl Cancer Inst. 1999 Jan 20;91(2):182-4
Date
Jan-20-1999
Language
English
Publication Type
Article
Keywords
Anticarcinogenic Agents - therapeutic use
Carotenoids - therapeutic use
Finland - epidemiology
Fruit
Humans
Lung Neoplasms - epidemiology - prevention & control
Risk
Vegetables
PubMed ID
9923861 View in PubMed
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10 records – page 1 of 1.