Search Results
Results 201 - 250 of 936
< 1 2 3 4 5 6 7 8 9 10 >
Pedro Titilola M - - 2008
To report on the variety and total number of food items recorded by a true longitudinal group of urban black South African children (n = 143) from the Birth-to-Twenty Study at five interceptions at the ages of 5 (1995), 7 (1997), 9 (1999), 10 (2000) and 13 (2003) years, respectively. ...
Deschamps V - - 2009
Our aim was to evaluate the reproducibility of a food-frequency questionnaire (FFQ) developed in a French population, and its validity against four 24-h dietary recalls (24-HRs). A total of 57 adults (aged 18-63), 17 adolescents (aged 14-18) and 20 children (aged 10-14) completed four 24-HRs (one per season) and two ...
Molag Marja L - - 2007
The authors investigated the role of food frequency questionnaire (FFQ) design, including length, use of portion-size questions, and FFQ origin, in ranking subjects according to their nutrient intake. They also studied the ability of the FFQ to detect differences in energy intake between subgroups and to assess energy and protein ...
Xu Wang Hong - - 2007
Certain polyphenols inhibit the activity of aromatase, a critical enzyme in estrogen synthesis that is coded by the CYP19A1 gene. Consumption of polyphenol-rich foods and beverages, thus, may interact with CYP19A1 genetic polymorphisms in the development of endometrial cancer. The authors tested this hypothesis in the Shanghai Endometrial Cancer Study ...
Petkeviciene J - - 2009
OBJECTIVE: To measure the validity and reproducibility of the NORBAGREEN food frequency questionnaire (FFQ). SUBJECTS/METHODS: In Finland, 125 subjects aged 25-64 years sampled from the five main regions of the FINDIET 2002 Study and in Lithuania, 99 citizens of Kaunas aged 19-75 years participated in the study. Reference methods for ...
Keskitalo Kaisu K Department of Food Technology, University of Helsinki, P.O. Box 66, FI-00014 University of Helsinki, Finland. - - 2008
The contribution of genetic factors to individual differences in food use was estimated in a large population-based twin cohort of young adults (22- to 27-year-old). Male and female twins (n=2009 complete twin pairs) evaluated use-frequencies of 24 food items using 5 categories (1=never-5=several times a day) in a postal questionnaire. ...
Marchioni Dirce Maria Lobo - - 2007
To assess the reproducibility of a validated 76-item food frequency questionnaire designed to estimate diet in adolescents (Adolescent Food Frequency Questionnaire--AFFQ) in the city of Sao Paulo, Brazil, a test-retest study was conducted (n = 49). Intraclass correlation coefficient (ICC), weighted kappa, and percentage of agreement were used in both ...
Foster E - - 2008
A number of methods have been developed to assist subjects in providing an estimate of portion size but their application in improving portion size estimation by children has not been investigated systematically. The aim was to develop portion size assessment tools for use with children and to assess the accuracy ...
Huybregts L - - 2008
OBJECTIVE: To validate food photographs for food portion size estimation of frequently consumed dishes, to be used in a 24-hour recall food consumption study of pregnant women in a rural environment in Burkina Faso. This food intake study is part of an intervention evaluating the efficacy of prenatal micronutrient supplementation ...
Osowski Jane M - - 2007
OBJECTIVE: To assess the ability of a semiquantitative food frequency questionnaire (FFQ) to measure calcium and bone-related nutrient intakes in a rural South Dakota population. DESIGN: Intake estimates from FFQ were compared with four 24-hour recalls obtained quarterly during the preceding year. SUBJECTS: Convenience sample of 100 participants of the ...
Keating Garrett A - - 2007
OBJECTIVE: To develop a meat frequency questionnaire to assess dietary heterocyclic amine intake. The meat frequency questionnaire is designed to obtain information on meat types, cooking methods, and doneness preferences that predict heterocyclic amine concentrations in different meats. DESIGN: Total and specific meat intakes were determined by a standard food ...
Condrasky Marge - - 2007
OBJECTIVES: The objectives were to determine who establishes restaurant portion sizes and factors that influence these decisions, and to examine chefs' opinions regarding portion size, nutrition information, and weight management. RESEARCH METHODS AND PROCEDURES: A survey was distributed to chefs to obtain information about who is responsible for determining restaurant ...
Leung Angela M - - 2007
OBJECTIVE: It has been difficult to determine the sources of U.S. dietary iodine. This study was designed to validate a self-administered questionnaire about dietary iodine sources. DESIGN: We constructed a questionnaire to assess iodine intake in 46 healthy Boston-area adult volunteers. Questionnaire information was correlated with subjects' 24-hour food diaries. ...
Pierce Brandon L - - 2007
Epidemiologic evidence suggests that dietary changes associated with acculturation to a Western diet may increase the risk of type 2 diabetes in Japanese Americans. We hypothesized that dietary acculturation patterns could be measured by confirmatory factor analysis (CFA) by using a culturally sensitive food-frequency questionnaire (FFQ). We examined the utility ...
Foster E - - 2008
For food intakes to be converted into nutrient intakes a measure or estimate of the amount of food consumed is required. A number of methods have been developed to assist subjects in providing an estimate of portion size. Children's ability to use perception, conceptualisation and memory skills to estimate food ...
Midthune Douglas D Biometry Research Group, Division of Cancer Prevention, National Cancer Institute, Executive Plaza North, Room 3131, 6130 Executive Boulevard, MSC 7354, Bethesda, MD 20892-7354, USA. - - 2008
We examine two issues of importance in nutritional epidemiology: the relationship between dietary fat intake and breast cancer, and the comparison of different dietary assessment instruments, in our case the food frequency questionnaire (FFQ) and the multiple-day food record (FR). The data we use come from women participants in the ...
Arambepola Carukshi - - 2008
OBJECTIVE: To assess the validity of nutrient profiling Model WXYfm - developed for the purpose of regulating the promotion of 'less healthy' foods to children. The model ranks foods according to their healthiness and categorises foods into 'healthier' and 'less healthy' foods. DESIGN: Convergent and discriminant validity was tested by ...
Parr Christine L - - 2008
OBJECTIVE: To investigate item non-response in a postal food-frequency questionnaire (FFQ), and to assess the effect of substituting/imputing missing values on dietary intake levels in the Norwegian Women and Cancer study (NOWAC). We have adapted and probably for the first time applied k nearest neighbours (KNN) imputation to FFQ data. ...
Maguire Phil - - 2007
The competition among relations in nominals (CARIN) theory of conceptual combination (C. L. Gagné & E. J. Shoben, 1997) proposes that people interpret nominal compounds by selecting a relation from a pool of competing alternatives and that relation availability is influenced by the frequency with which relations have been previously ...
Risica Patricia Markham - - 2007
OBJECTIVE: To describe the development of the SisterTalk Food Habits Questionnaire (STFHQ). DESIGN: Formative research was conducted to adapt previous tools for the study's target population. A pilot tool (168 questions) was tested. The new 94-question tool was then used for evaluation of the SisterTalk project. Lastly, a 4-week reliability ...
Mullie P - - 2007
The daily intake of food flavonoids was determined using a semiquantitative food frequency questionnaire (FFQ) and a four day non consecutive food diary (4DFR) in a group of 45 female Flemish dietitians. The subjects were asked to report their food intake three times: day 1 using the FFQ (FFQ1); between ...
Charlton Karen E - - 2008
OBJECTIVES: To develop and validate a short food-frequency questionnaire to assess habitual dietary salt intake in South Africans and to allow classification of individuals according to intakes above or below the maximum recommended intake of 6 g salt day-1. DESIGN: Cross-sectional validation study in 324 conveniently sampled men and women. ...
Tasevska N - - 2008
OBJECTIVE: To investigate 24-h urinary thiamine as a potential biomarker for thiamine intake for use in validation studies to assess the validity of dietary intake data collected by self-reporting dietary methods. SUBJECTS: Seven male and six female healthy participants living for 30 days in a metabolic suite under strictly controlled ...
Subar Amy F - - 2007
Twenty-four-hour dietary recalls are used to collect high-quality dietary data. Because they require highly trained interviewers, recalls are expensive and impractical for large-scale nutrition research, leading to the use of food frequency questionnaires. We are developing a computer-based, self-administered 24-hour dietary recall for use by adults. Our goal is an ...
Arroyo Marta - - 2007
The objective of this study was to determine whether a short training program, using real foods, would decreased their portion-size estimation errors after training. 90 student volunteers (20.18+/-0.44 y old) of the University of the Basque Country (Spain) were trained in observational techniques and tested in food-weight estimation during and ...
Zoumas-Morse Christine - - 2007
Reducing the concentration of polyamines (spermine, spermidine, and putrescine) in the body pool may slow the cancer process. Because dietary spermine, spermidine, and putrescine contribute to the body pool of polyamines, quantifying them in the diet is important. Limited information about polyamine content of food is available, especially for diets ...
Ranka S - - 2008
OBJECTIVES: To measure the relationship between quercetin and naringenin intakes as estimated by food frequency questionnaire (FFQ), and the urinary excretion of quercetin and naringenin aglycones after their enzymatic hydrolysis in human volunteers. SUBJECTS AND METHODS: Volunteers were recruited via the Human Nutrition Unit volunteer databank at the Institute of ...
Koo Michelle M - - 2007
BACKGROUND: The Consumer Information Rating Form (CIRF) was developed as a direct method for measuring consumers' perceptions of the comprehensibility, utility, and design quality of written medicine information. The validity and reliability of the CIRF were evaluated in a small convenience consumer sample in the US. Its validity and reliability ...
Anderson Cheryl A M - - 2007
Change in dietary-fat behaviors was assessed in 95 African-American women in a culturally adapted weight-management program using the SisterTalk Food Habits Questionnaire. The hypothesis was that there would be no practical difference in ability to track dietary-fat behaviors related to weight change when using only 30 items from the SisterTalk ...
Quandt Sara A - - 2007
To compare the validity of a modified Block food-frequency questionnaire (FFQ), a picture-sort administration of the FFQ (PSFFQ) and a meal pattern-based questionnaire (MPQ) in a multi-ethnic population of low socio-economic status (SES). Participants completed six 24-hour dietary recalls (24HR) over six months; the FFQ, PSFFQ and MPQ were completed ...
Sebring Nancy G - - 2007
To assess the accuracy of three self-administered food frequency questionnaires (FFQs) to measure dietary calcium intake in healthy adults. Estimates of dietary calcium intake from one previously validated and two recently developed FFQs were compared with those from 7-day food records. Healthy adults enrolled in an outpatient study of calcium ...
Imaeda Nahomi - - 2007
BACKGROUND: In epidemiologic field studies, a food frequency questionnaire (FFQ) is one of the most feasible tools to assess usual dietary habits. The purpose of this study is to evaluate the reproducibility of consumption of foods and nutrients assessed with a self-administered short FFQ in a Japanese general population. METHODS: ...
Sharma Sangita - - 2007
To develop a quantitative food-frequency questionnaire (QFFQ) for the Barbados National Cancer Study (BNCS) that will permit examination of associations of diet with breast and prostate cancer. Population intake data from the year 2000 Barbados Food Consumption and Anthropometric Surveys (BFCAS 2000) were used to derive a list of foods ...
Villegas Raquel - - 2007
We evaluated the validity and reproducibility of the FFQ used in the Shanghai Men's Health Study (SMHS). The study included 195 randomly selected participants of the SMHS who completed one FFQ at baseline, twelve 24-hour dietary recalls (24-HDR) (once a month for twelve consecutive months) and a second FFQ at ...
Ovaskainen M-L - - 2008
OBJECTIVE: In diet surveys, quantitative underestimation of food consumption may be due to intentional misreporting or false portion-size reporting. Perception of food photographs used as aids for assessing the actual amounts may have an effect. This study was carried out to assess the validity of food photographs. DESIGN: A real-time ...
Rumpler W V - - 2008
OBJECTIVE: To investigate the magnitude and relative contribution of different sources of measurement errors present in the estimation of food intake via the 24-h recall technique. DESIGN: We applied variance decomposition methods to the difference between data obtained from the USDA's Automated Multiple Pass Method (AMPM) 24-h recall technique and ...
Sharma Sangita - - 2007
OBJECTIVE: To demonstrate how dietary data collected from 24-hour dietary recalls were incorporated into the development of a quantitative food-frequency questionnaire (QFFQ) for the Apache in Arizona. DESIGN: A cross-sectional study was first conducted using 24-hour dietary recalls to identify foods for inclusion on a QFFQ that would be used ...
Matthys Christophe - - 2007
OBJECTIVE: To assess the validity and reproducibility of a newly developed, cost-effective, and easy to administer, Web-based food frequency questionnaire (FFQ) for the dietary assessment of adolescents. DESIGN: Cross-sectional validation of a Web-based FFQ, which contained 15 food groups (water; soft drinks, including fruit juice and diet soft drinks; alcoholic ...
Thomson Cynthia A - - 2007
OBJECTIVE: To develop a validated, focused Cruciferous Vegetable Food Frequency Questionnaire (FFQ) as an assessment tool for specific quantification of dietary cruciferous vegetable exposure. DESIGN/METHODS: Participants (n=107; 18 to 76 years old) completed a standard FFQ and the Cruciferous Vegetable FFQ twice over a 2-week period. Repeat dietary recalls were ...
Lee Sang-Ah - - 2007
We evaluated the reproducibility and validity of the FFQ used in the Shanghai Men's Health Study (SMHS) for assessing dietary isoflavone intake, using multiple 24-h dietary recalls (24-HDR) and urinary isoflavones as the reference criteria, with data from the dietary validation study of the SMHS. A total of 196 study ...
Knaapila Antti - - 2007
Food neophobia refers to reluctance to eat unfamiliar foods. We determined the heritability of food neophobia in a family and a twin sample. The family sample consisted of 28 Finnish families (105 females, 50 males, aged 18-78 years, mean age 49 years) and the twin sample of 468 British female ...
Martin Corby K - - 2007
The aim of this study was to determine if: (1) participants could learn the HMR Calorie System by testing if their use of the system was more accurate after training; and (2) estimated portion size and food intake improved with training. A secondary aim was to use PACE (photographic assessment ...
Grunert Klaus G - - 2007
A measure of satisfaction with food-related life is developed and tested in three studies in eight European countries. Five items are retained from an original pool of seven; these items exhibit good reliability as measured by Cronbach's alpha, good temporal stability, convergent validity with two related measures, and construct validity ...
Nagel Gabriele - - 2007
Within a prospective cohort study, we explored the long-term reproducibility of the food-frequency questionnaire (FFQ) and dietary changes in the European Prospective Investigation into Cancer and Nutrition (EPIC)-Heidelberg cohort. After a mean follow-up time of 68.8 (sd 4.1) months the dietary assessment by means of a validated FFQ was repeated ...
Hjartåker Anette - - 2007
OBJECTIVE: To compare diet measures from a food-frequency questionnaire (FFQ) with measures from 24-hour dietary recalls (24HDRs). DESIGN: The participants answered an FFQ after completing four, repeated 24HDRs during a year. SETTING: Norway, nationwide. SUBJECTS: Of 500 women randomly selected from The Norwegian Women and Cancer Study (the Norwegian arm ...
Galvan-Portillo Marcia V - - 2007
OBJECTIVE: Identify the content of selected phytochemicals (PHYs) in Mexican foods and evaluate the reliability of a food frequency questionnaire (FFQ) in assessing PHYs intake among Mexican women. MATERIAL AND METHODS: Values for PHYs content were obtained from four different data sets. PHYs intake was assessed in 50 women of ...
Schlundt David G - - 2007
OBJECTIVE: A food-frequency questionnaire (FFQ) was developed to assess habitual dietary intake in the Southern Community Cohort Study (SCCS), a prospective epidemiological study to analyse disparities in cancer and other chronic diseases between African-Americans and Whites. DESIGN: Frequency and portion size estimates were obtained for each of 104 foods. Daily ...
Riley William T - - 2007
Assess the effects of a prototype computerized food portion tutorial (CFPT). Participants were randomly assigned to estimate portion sizes for selected food items either prior to or following CFPT training (between groups), and those estimating before CFPT training re-estimated portions after training (within groups). Research offices. Seventy-six adult participants without ...
Dhingra Pratibha - - 2007
In this observational study, estimation of food intake was evaluated using recording of portion size consumed, instead of post-weighing, as a method. In total, 930 feeding episodes were observed among 128 children aged 12-24 months in which actual intake was available by pre- and post-weighing. For each offering and feeding ...
Lund Maria Larsson ML Department of Community Medicine and Rehabilitation, Occupational Therapy, Umeå University, Umeå, Sweden. - - 2007
To evaluate aspects of internal scale validity and reliability of the Swedish version of the Impact on Participation and Autonomy questionnaire (IPA-S) for use in people with spinal cord injury. A total of 161 persons with spinal cord injury. IPA-S psychometric properties were evaluated using Rasch rating scale analysis. The ...
< 1 2 3 4 5 6 7 8 9 10 >