Search Results
Results 401 - 450 of 936
< 4 5 6 7 8 9 10 11 12 13 14 >
Ferraroni M - - 2004
OBJECTIVE: The reproducibility and validity of coffee, decaffeinated coffee and tea intake has not been adequately studied, particularly in Italy, where coffee drinking is peculiar in terms of type and amount of coffee consumed. DESIGN: We compared coffee and tea consumption, measured by two interviewer-administered food frequency questionnaires (FFQ), with ...
Conway Joan M - - 2004
OBJECTIVE: This observational validation study was conducted under controlled conditions to test the accuracy of dietary recall in normal weight, overweight, and obese men using the USDA five-step multiple-pass method for dietary recall. DESIGN: Cross-sectional analysis of actual and recalled intake of food during 1 day. SUBJECTS/SETTING: Forty-two men ranging ...
Gilsenan M B - - 2004
Under-reporting has been identified as an important source of uncertainty in food chemical exposure assessments. The objective of the present study was to assess the influence of under-reporting on food additive intake estimates. Dietary survey data were derived from the North-South Ireland Food Consumption Survey (2001). Data from the Republic ...
Williamson D A - - 2004
OBJECTIVE: The primary objective of this study was to test the comparability of digital photography and visual estimation procedures for estimating food intake. RESEARCH METHODS AND PROCEDURES: The study sample included 71 breakfast meals and 59 lunch meals eaten in a university cafeteria during a single day. A total of ...
Wilson Alissa M R - - 2004
BACKGROUND: The Block98 food frequency questionnaire (FFQ) has been validated for dietary assessment of usual intakes in adults, but not in children. OBJECTIVE: To assess the agreement of the Block98 FFQ and 3-day diet records for measuring dietary intakes in young girls. SUBJECTS/SETTING: Healthy 4- to 9-year-old girls (N=61; 6.5+/-1.6 ...
Cameron Scott - - 2004
OBJECTIVE: To determine whether parentally reported habitual intake of specific foods differed between children with diagnosed Campylobacter jejuni infection and children of a comparison group without diagnosed infection. DESIGN, SETTING AND SUBJECTS: Information was collected from the parents or primary caregivers of South Australian children aged 1-5 years with diagnosed ...
Cantwell Marie - - 2004
The nutrient and heterocyclic amine (HCA) intake of 165 healthy participants was assessed using a self-administered food frequency questionnaire (FFQ), which included a meat-cooking practices module. A database containing the HCA [2-amino-3,8-dimethylimadazo [4,5-f] quinoxaline (MeIQx) and 2-amino-1-methyl-6-phenylimadazo [4,5-b] pyridine (PhIP)] composition of various types of meat, cooked by different methods ...
Xu Liangzhi L Department of Obstetrics and Gynaecology, The Second West China Hospital, West China Medical Centre, Sichuan University, Chengdu 610041, People's Republic of China. - - 2004
(1). To determine the reliability and validity of a food-frequency questionnaire (FFQ) for use in epidemiological research in postmenopausal women; and (2). to compare the volume estimation (VE) and weight estimation (WE) method of administration of this questionnaire. An initial list of foods was derived and modified after pre-testing in ...
Lopes A C S - - 2004
Accurate measurements of food intake in surveys are difficult to be obtained especially in the older adults. Calibration, using two instruments, has been adopted in order to improve the information. This study was carried out in a random sample of older adults (> or =60) living in a Brazilian town. ...
Bernaards Claire M - - 2004
The purpose of this study was to investigate the agreement between self-reported tobacco consumption and NicCheck 1 (Dynagen Inc. Cambridge, Mass., USA) regarding smoking status and nicotine intake in a population of smokers (20.8%) and non-smokers. NicCheck 1 is a dipstick that changes colour in the presence of urinary nicotine ...
Tang Wai Kwong - - 2004
The purpose of this study was to examine the optimal scoring scheme (category use), unidimensionality, item fit, and redundancy of the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE) in a cohort of Hong Kong Chinese stroke survivors. At 3 months after the index stroke, a research assistant administered ...
Kim Jeongseon - - 2004
The present study identified dietary sources of fat, fatty acids, and cholesterol in Koreans residing in and near Seoul. The study also identified foods to be included in a food frequency questionnaire (FFQ) by both contribution analysis (CA) and multiple regression analysis (MRA). Three-day dietary records were collected from 224 ...
Holcomb Carol Ann - - 2004
The purpose of this study was to explore the association between consumption of carotenoid-rich foods and risk of central vision loss in 168 rural elders. Food consumption was estimated using a food frequency questionnaire. Median servings per week were used as the cut points for consumption levels. Odds ratios (OR) ...
Lindeboom R - - 2004
BACKGROUND AND OBJECTIVE: The objective of the study was to enhance the clinical interpretation and practicality of the widely used comprehensive Sickness Impact Profile. METHOD: Item Response Theory (extension of the Rasch model) was used to calibrate the severity of the SIP items, to assess item bias and to construct ...
Shu X O - - 2004
To evaluate the validity and reliability of the food frequency questionnaire (FFQ) used in the Shanghai Women's Health Study (SWHS), 200 SWHS participants were recruited for a dietary calibration study. Study participants completed an FFQ at baseline and 24-h dietary recalls (24-HDR) twice per month consecutively for 12 months. At ...
Xinying Pauline Xie - - 2004
Collecting dietary data in the clinical research setting is labour intensive and can be burdensome for study participants. The aim of this study was to assess the agreement between data obtained from 2 different dietary assessment methods, a 74-item semi-quantitative food frequency questionnaire (FFQ) and 3-day weighed food records (WFR) ...
Buchowski M S - - 2003
A food frequency questionnaire (FFQ) was developed to assess long-term habitual dietary intake in a cohort of approximately 100,000 40 to 79 year-old men and women living in the Southeastern US. Using the NHANES-III database for the southem region for specific race and sex subgroups, a list of 262 food ...
Fowke Jay H - - 2003
Alternative measures of Brassica vegetable consumption (e.g., cabbage) may clarify the association between Brassica and cancer risk. Brassica isothiocyanates (ITCs) are excreted in urine and may provide a sensitive and food-specific dietary biomarker. However, the persistence of ITCs in the body may be brief and dependent on the activity of ...
Schatzkin Arthur - - 2003
BACKGROUND: Most large cohort studies have used a food frequency questionnaire (FFQ) for assessing dietary intake. Several biomarker studies, however, have cast doubt on whether the FFQ has sufficient precision to allow detection of moderate but important diet-disease associations. We use data from the Observing Protein and Energy Nutrition (OPEN) ...
Fornés Nélida Schmid NS Faculdade de Nutrição, Universidade Federal de Goiás, Brazil. - - 2003
To assess the reproducibility and validity a 127-item, habitual intake, food-frequency questionnaire (FFQ), developed for low-income and low-literacy Brazilian workers, by comparison with a 24-hour dietary recall (24-HDR). The FFQ and 24-HDR were interviewer-administered at the local workplace to each subject twice, with a period of 6 months between estimates; ...
Lee Anne - - 2003
The objective of this study was to determine the effects of a gluten-free diet, examining food consumption and limitations on quality of life for those with celiac disease. Twenty-nine items on self-administered questionnaires queried demographics, lifestyle, and food use. Some items were from the Rand Survey (Rand Corporation, Santa Monica, ...
Russell Helen - - 2003
OBJECTIVES: The objective of this study was to develop an informant-based questionnaire to assess food-related problems in people with Prader-Willi syndrome and to conduct an examination of psychometric properties. DESIGN: Following a content analysis of informant interview responses a 16-item questionnaire, the Food Related Problem Questionnaire (FRPQ), with three subscales ...
Shahar Danit - - 2003
Older people have different eating patterns than their younger counterparts, although in most nutritional studies of older populations, food frequency questionnaires (FFQ) that were developed and validated for the general adult population are used. In this paper, we present the advantages of developing an FFQ for an older population based ...
Pala Valeria - - 2003
One of the aims of the EPIC study is to produce accurate descriptions of the dietary habits of the participants recruited in the 27 EPIC centers of 10 European countries. To do this, different dietary assessment instruments were developed and applied to capture the wide range of diets characterizing the ...
Gilsenan M B - - 2003
The validity of a range of simple conceptual models designed specifically for the estimation of food additive intakes using probabilistic analysis was assessed. Modelled intake estimates that fell below traditional conservative point estimates of intake and above 'true' additive intakes (calculated from a reference database at brand level) were considered ...
Kant Ashima K - - 2003
The purpose of this study was to develop an explanatory model to predict the number of low-nutrient-density (LND) foods reported in a 24-h recall by US children and adolescents using data from the third National Health and Nutrition Examination Survey. The reported number of LND foods was estimated from 24-h ...
Williamson Donald A - - 2003
OBJECTIVE: The primary goal was to test the validity of digital photography for measuring food portion sizes compared with weighed foods and with direct visual estimation. SAMPLES: A total of 60 test meals consisting of 10 different portion sizes from six different university cafeteria menus were prepared and weighed. DESIGN: ...
Dahl Wendy J - - 2003
Dietary fiber fortification of food offers a preventative strategy that is a less invasive alternative to laxatives and enemas in the management of constipation in elderly individuals. To determine if a moderate increase in fiber provided in foods would increase bowel movement frequency among elderly institutionalized residents, data were collected ...
Rohrmann Sabine - - 2003
BACKGROUND: The aim of this study was the development and validation of a short list of food items to assess the intake of total fat, saturated, mono-unsaturated, polyunsaturated fatty acids, and cholesterol. The short list should be able to correctly classify persons according to their intake. METHODS: A short list ...
Kelemen Linda E - - 2003
We developed three ethnic food frequency questionnaires (FFQs) to characterize the diets of South Asian, Chinese, and European immigrants. FFQs were developed from foods reported in the diet records and recalls of 29 South Asians, 25 Chinese, and 20 Europeans participating in a pilot study from 1995-1996 in Hamilton, Ontario, ...
Togo Per - - 2003
Several studies have used factor analysis to identify food intake patterns in epidemiological studies as an alternative to nutrient-based analyses, but few have validated the factors in a larger population. Our present objectives were: to compare the factor scores based on a food-frequency questionnaire (FFQ) with scores based on a ...
Vereecken Carine A - - 2003
OBJECTIVE: In the Health Behaviour in School-Aged Children (HBSC) survey, the frequency of consumption of a limited number of food items--focusing on fibre, calcium and less healthy items--is queried using a 15-item food-frequency questionnaire (FFQ). The present study was conducted to assess the reliability and relative validity of the HBSC ...
Rockett Helaine R H - - 2003
PURPOSE OF REVIEW: The obesity epidemic, the increasing occurrence of adult diseases in childhood, and the growing awareness of a connection between adult diseases and the diet of children and adolescents have led to increased interest in what our youth are eating. Designing an instrument to evaluate adolescents' eating habits ...
Key Timothy J - - 2003
BACKGROUND: Three prospective studies have examined the mortality of vegetarians in Britain. OBJECTIVE: We describe these 3 studies and present preliminary results on mortality from the European Prospective Investigation into Cancer and Nutrition-Oxford (EPIC-Oxford). DESIGN: The Health Food Shoppers Study and the Oxford Vegetarian Study were established in the 1970s ...
Yatsuya Hiroshi - - 2003
BACKGROUND: A simple, reliable, and valid food questionnaire is needed in clinical dietary assessments, community health education, and multi-purpose epidemiologic studies to obtain a crude measure of dietary intake. METHODS: To assess the validity and reproducibility of a simple 4-point scale food intake and behavior checklist, it was compared to ...
Ali Niloufer Sultan NS Department of Family Medicine, The Aga Khan University Hospital, Karachi. - - 2003
To understand the existing food beliefs regarding hot, cold and badi (gas-producing) properties of different food items and also to assess whether there is any relationship with education of women and these beliefs. A cross-sectional study. Community Health Center (CHC), The Aga Khan University Hospital, Karachi from July to September ...
Michaud Dominique S - - 2003
OBJECTIVE: The aim of this study was to examine whether estimated net acid excretion (NAE) from two dietary assessment instruments can predict urine pH in healthy volunteers. DESIGN: The Observing Protein and Energy Nutrition (OPEN) study, which was designed to assess dietary measurement error, included men and women aged 40 ...
Andersen L F - - 2003
OBJECTIVE: To assess the validity of a semi-quantitative food-frequency questionnaire (SFFQ) used in a large nation-wide dietary survey among 12-month-old Norwegian infants. METHODS: The SFFQ was administered to the parents about 1 week before the infants turned 12-month-old. The participants filled in the SFFQ and 1-2 weeks later they kept ...
Maskarinec Gertraud - - 2003
OBJECTIVE: To evaluate adherence to a soy-based diet among premenopausal women. DESIGN: First year of a 2-year, randomized dietary intervention. SUBJECTS: 220 healthy premenopausal women who reported low baseline soy intake. INTERVENTION: 5 counseling visits, 7 follow-up phone calls, and 12 group meetings. Main outcome measures Self-reported soy intake logs; ...
Loza Wagdy - - 2003
In this study, the effectiveness of the Self-Appraisal Questionnaire (SAQ), a self-report measure for predicting release outcome, is examined as compared to clinician-administered and widely used risk prediction measures, over a 5-year period. The SAQ was administered along with four similar, but clinician-administered, measures to 91 federally sentenced Canadian male ...
Andrews Yvette N - - 2003
The objective of this study, conducted at a 180-bed nursing home in Miami, FL, was to develop and evaluate a food and fluid intake estimation method designed specifically for practical, day-to-day use in nursing homes. Nursing assistants assisted in the development of the Food and Fluid Estimation Diagram (FFED) by ...
Kipnis Victor - - 2003
Multiple-day food records or 24-hour dietary recalls (24HRs) are commonly used as "reference" instruments to calibrate food frequency questionnaires (FFQs) and to adjust findings from nutritional epidemiologic studies for measurement error. Correct adjustment requires that the errors in the adopted reference instrument be independent of those in the FFQ and ...
Shatenstein Bryna - - 2003
Many "functional foods" (FF), common foods with health benefits beyond their nutritive value, have antioxidant properties with the potential to mediate the degenerative changes of aging. A pilot study was conducted among 51 healthy, home-dwelling elderly people aged 70-86 y (51% male) to develop a method for evaluating relationships between ...
Sakashita R - - 2003
OBJECTIVE: This paper describes the development of a reliable scale of standards for use in evaluating the progress of the transition from milk to solid food in infants and preschool children. The maturation of chewing and swallowing behavior in infants and young children, which enables processing of solid food, varies, ...
Kim Jeongseon - - 2003
OBJECTIVE: The present study was conducted to report upon the reproducibility of a 98-item food frequency questionnaire among Koreans. SUBJECTS: The study subjects were recruited from among those who visited for a regular health check-up at the health centers from Samsung Hospital and Hallym University Hospital. SETTING: The FFQ was ...
Frobisher C - - 2003
BACKGROUND: Food Photographs and standard portion sizes have been used with adults to assess portion size when recording dietary intake. The effectiveness of these methods may be reduced when memory/recall is required and children may have problems using these techniques. METHODS: Adults (47) and children (37) were recruited from amongst ...
Marshall Teresa A - - 2003
OBJECTIVE: To determine the relative validity of a quantitative beverage frequency questionnaire in assessing beverage, calcium, and vitamin D intakes using 3-day food diaries for reference. DESIGN: Parents were asked to complete questionnaires for the preceding week and diaries for the following week for their children. Calcium and vitamin D ...
Ambrosini G L - - 2003
OBJECTIVES: To compare a widely used Australian food-frequency questionnaire (FFQ) with diet records and consider the results in relation to its use in nutrition surveillance. DESIGN: Inter-method reliability study. SETTING: A randomised trial in subjects with past asbestos exposure. SUBJECTS: Seventy-two adults living in Western Australia. METHODS: A semi-quantitative FFQ ...
Masson L F - - 2003
OBJECTIVE: To compare different statistical methods for assessing the relative validity of a self-administered, 150-item, semi-quantitative food-frequency questionnaire (FFQ) with 4-day weighed diet records (WR). DESIGN: Subjects completed the Scottish Collaborative Group FFQ and carried out a 4-day WR. Relative agreement between the FFQ and WR for energy-adjusted nutrient intakes ...
Slater B - - 2003
OBJECTIVE: To develop a food frequency questionnaire for adolescents (AFFQ) and demonstrate its relative validity. DESIGN: The final version of the AFFQ was composed of 76 food items previously identified according to their contribution in nutrients and overall importance within the eating habits of this population group. The validation study, ...
< 4 5 6 7 8 9 10 11 12 13 14 >