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Results 701 - 750 of 936
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Smit E - - 1996
Dietary intake was assessed in a subsample of a cohort of inner-city injecting drug users (IDUs). In this population of predominantly African-American IDUs, including both HIV -1-infected and noninfected men and women, a food frequency questionnaire (FFQ) and a 24-h recall were administered. One hundred seven volunteers participated. Although total ...
Jain M - - 1996
The validity of two types of diet assessment methods, a self-administered food frequency questionnaire and and interviewer-administered detailed diet history, was assessed relative to a 7-day food record on a population- based sample of 95 men and 108 women in Toronto, Canada, between May 1989 and July 1990. Each study ...
Robinson S - - 1996
OBJECTIVE: To compare nutrient intakes assessed by food frequency questionnaire (FFQ) with those determined from food diaries. DESIGN: A 100-item FFQ was administered to women at 15 weeks of pregnancy. Food diaries were kept for a 4-day period at 16 weeks of pregnancy. SETTING: Community-based study of a general population ...
Gibney M J - - 1996
Any attempt to estimate food additive intake will require some level of screening to reduce the scale of the problem to a manageable level. Even then the process should always begin with crude estimates of food intake and of food additive usage level. The starting point for the latter may ...
Ladd J S - - 1996
The present study investigates the frequency of critical item endorsement for two MMPI-2 critical item sets in a population of inpatients being treated for chemical dependency. Base rates of endorsement in the current study are compared to the results of previous studies using the original MMPI, and relationships between item ...
Männistö S - - 1996
A 110-item food frequency questionnaire was tested among 152 community controls of the Kuopio Breast Cancer Study. They completed the questionnaire twice and kept two 7-day diet records at 3-month intervals. The intraclass correlations for nutrients varied from 0.49 (thiamine with supplements) to 0.81 (lactose), and for foods from 0.52 ...
Wilson P - - 1996
OBJECTIVE: To assess the ability of a short food frequency questionnaire to measure dietary calcium intake in women. DESIGN: Estimates of calcium intake from the food frequency questionnaire were compared with those from seven-day estimated records in 58 Caucasian women aged 25-49 years in Dunedin, New Zealand. SUBJECTS: Subjects were ...
Tsubono Y - - 1996
A self-administered food frequency questionnaire (FFQ) has been used commonly in epidemiologic studies of diet and chronic diseases. The analysis of dietary data in the target population is useful for designing a new questionnaire. The authors studied the major food sources of nutrient intakes in the Japanese population in order ...
Elmståhl S - - 1996
OBJECTIVE: To assess the relative validity of two diet assessment methods, an extensive quantitative food frequency questionnaire (method A) and a novel shorter quantitative food frequency questionnaire with a 14 day food record (method B). DESIGN: A randomized prospective cohort study. SETTING: General community. SUBJECTS: 206 residents of the town ...
Elmståhl S - - 1996
OBJECTIVE: To assess the reproducibility of two diet assessment methods, an extensive quantitative food frequency questionnaire (method A) and a novel shorter quantitative food frequency questionnaire with a 14 day food record (method B). DESIGN: A randomized prospective cohort study. SETTING: General community. SUBJECTS: 241 residents of the town of ...
Takatsuka N - - 1996
To evaluate the validity of the recall method in estimating food intake in the distant past, we assessed past and current food intakes by mailed food questionnaires among 80 residents in Gifu, Japan who had answered the same questionnaire 9 years ago. We compared rank correlations and differences between recalled ...
Carroll R J - - 1996
The authors consider whether semiquantitative food frequency questionnaires can be used to survey a population to estimate the distribution of usual intake. They take as an assumption that, if they were possible to obtain, the mean of many food records or recalls would be an accurate representation of an individual's ...
Kumanyika S - - 1996
OBJECTIVE: To assess the validity of a picture-sort approach to administering the National Cancer Institute food frequency questionnaire to older adults. DESIGN: A picture-sort interview was conducted in each respondent's home. After the picture sort, a 24-hour recall interview was administered on the same occasion. Five additional in-home recall interviews ...
Mitchell D T - - 1996
OBJECTIVE: The Cholesterol-Saturated Fat Index (CSI) Scorecard was developed and tested as a self-monitoring tool for patients consuming a cholesterol-lowering diet. SUBJECTS/DESIGN: Twelve nutritionists used the CSI Scorecard to estimate the CSI score of the same five food records. Subsequently, using a revised tool, 12 subjects with hypercholesterolemia estimated the ...
Simon E W - - 1996
A 6-month follow-up of an individual reported to engage in validated facilitated communication (FC) is presented. Three main issues are addressed: the current status of the individual's FC use, the effect of food reinforcers on his communicative ability, and a comparison of FC to the Picture Exchange Communication System (PECS). ...
Xing X - - 1996
This study evaluates the reproducibility of nutrient intake in a 45-item food frequency questionnaire (FFQ). The FFQ was mailed in 1980 to persons eligible to participate in a large cohort study on diet and cancer risk; a follow-up version with 75 food items was mailed in 1988 to selected original ...
Tsubono Y - - 1995
The authors studied temporal change in the reproducibility of a self-administered food frequency questionnaire. During 1988-1994, 492 residents of a rural Japanese town completed five questionnaires including 27 food items, with intervals ranging from 2 weeks through 5.5 years. The reproducibility decreased steadily over time for pairs of the questionnaires ...
Ritsner M - - 1995
The purpose of this study was to develop and test the Talbieh Brief Distress Inventory (TBDI), a 24-item self-report questionnaire that measures psychological distress among immigrants. The TBDI combines items from the Brief Symptom Inventory (BSI) and the Psychiatric Epidemiology Research Interview Demoralization Scale (PERI-D). It includes a global score ...
Arnold J E - - 1995
This study focused on a food-frequency questionnaire (FFQ) designed to measure nutrient intake in girls aged 7 to 12 years, inclusive. The instrument's reproducibility and validity were assessed using food records (FRs) as gold standards of measurement. Log-transformed nutrient intake estimates were compared from two FFQs and between FFQs and ...
Beer-Borst S - - 1995
This study investigated the relative validity of a self-administered 24-h recall questionnaire in a dietary survey on 3,653 men and women 7 years of age and older. The validation was carried out in a group of 41 men. An estimated dietary record kept over 3 days served as reference method. ...
Porrini M - - 1995
The present study is a biochemical validation of a food-frequency questionnaire (FFQ) with optical reading, i.e. containing food portion photographs to help to assess quantities. Forty-four healthy subjects, non-smokers and not taking vitamin supplements, were recruited for the study. After completion of the questionnaire, subjects were asked to keep a ...
McPherson R S - - 1995
A food-frequency questionnaire (FFQ) for low-income Mexican-Americans in Starr County, Texas, was developed as part of an epidemiologic study of gallbladder disease during 1985 and 1986. The FFQ was developed from 7-day food records collected from the first sample. In the validity study, using the second sample, correlations between nutrients ...
Tylavsky F A - - 1995
The authors investigated the effect of collecting food frequency intake data using questionnaires that record response intervals rather than exact frequencies of consumption. Measures of energy and 24 nutrients were calculated using both types of frequency data for subjects' mean intakes, rank classifications and group mean values. Frequency data obtained ...
Ferguson E L - - 1995
OBJECTIVES: To assess the relative validity of an interactive 24-h recall for estimating mineral intakes of rural Malawian women. DESIGN: Repeated interactive 24-h recalls were compared with weighed records collected for the same 2 days of food intake, and for 2 days 1-2 weeks prior and subsequent to the weighed ...
Tavani A - - 1995
We studied the influence of age, sex, education and time between interviews on the reproducibility of a semi-quantitative food frequency questionnaire (FFQ) developed in Italy for a case-control study on cancers of the breast and digestive tract. The questionnaire had been administered twice to 452 Italian men and women and ...
Turrell G - - 1995
Australian researchers examining the relationship between socioeconomic status and food-related behaviour have often selected their samples from the electoral roll and then collected their data using a mail-survey method. These studies have generally found statistically significant associations between socioeconomic status and behaviour, although these relationships are usually only weak-to-moderate in ...
Andersen L F - - 1995
OBJECTIVE: The study was conducted to assess the reproducibility and validity of a 190-item self-administered quantitative food frequency questionnaire, used in a nation-wide study of adolescents. DESIGN AND SUBJECTS: Reproducibility study; 103 11th grade students (18 years) completed the questionnaire twice, with a 6-week interval. Validation study; 49 11th grade ...
Grootenhuis P A - - 1995
A self-administered semiquantitative food frequency questionnaire including 75 food items and providing information on the habitual intake of 31 nutritional parameters, based on the intake of protein, fat, carbohydrate, fiber and 11 vitamins and minerals, was developed for use in epidemiologic research on chronic disease among the elderly, such as ...
Subar A F - - 1995
In an attempt to improve data quality and ease of administration of standard self-administered food frequency questionnaires, various alternative approaches were tried for inquiring about frequency of consumption, portion size, seasonal intake, and food preparation. Evaluation consisted of a cognitive interviewing method in which respondents verbalize their thought process while ...
Melanson E L EL - - 1995
The validity of the Computer Science and Applications, Inc. (CSA) accelerometer in assessing physical activity was assessed during treadmill walking and running at three different grades. Energy expenditure (EE) served as the criterion measure. CSA data were compared to data collected with the Caltrac accelerometer. Both accelerometers were sensitive to ...
Wein E E - - 1995
Canadian Aboriginal people encompass diverse cultural groups, whose daily food patterns vary in regard to the kinds and proportions of indigenous foods. Standard dietary methods of assessing food consumption sometimes require modification to be understandable and acceptable to Aboriginal communities. Depending upon the purpose of the research, food frequency methods, ...
Feunekes I J - - 1995
The reproducibility of a 104 item semiquantitative food frequency questionnaire to estimate the intake of energy, fat, fatty acids and cholesterol was assessed in a group of 93 men and women in the Netherlands. The questionnaire was administered by trained interviewers. Subjects were asked to recall the consumption of 104 ...
Birkett N J - - 1995
OBJECT: To examine the reliability and validity of a food habits questionnaire developed by Kristal et al in male manual laborers. DESIGN: A cross-sectional baseline survey. SETTING: The community of Ottawa-Carleton, Canada. SUBJECTS: All people working in non-office-based positions for two local governments were invited to a heart-health screening clinic. ...
Enger S M - - 1995
We determined whether estimation of intake of specific carotenoids with a standard food-frequency questionnaire (FFQ) could be improved by collection of additional data on the intake of carotenoid-rich food items. The foods included on an addendum to the standard FFQ were potentially important dietary contributors of alpha- and beta-carotene, beta-cryptoxanthin, ...
Bingham S A - - 1995
Results from analysis of 24 h urine collections, verified for completeness with para-amino benzoic acid, and blood samples collected over 1 year were compared with 16 d weighed records of all food consumed collected over the year, and with results from 24 h recalls, food-frequency questionnaires and estimated food records ...
Fidanza F - - 1995
An improved semiquantitative self-administered food frequency questionnaire has been designed in order to investigate possible associations between diet and health, to plan nutrition education programmes, and to examine dietary compliance. The questionnaire consists of 16 printed forms and 16 pages with coloured photos of the most common foods and courses ...
Rockett H R - - 1995
OBJECTIVE: To develop a self-administered food frequency questionnaire for older children and adolescents and to demonstrate reproducibility over a 1-year period. DESIGN: The youth/adolescent questionnaire (YAQ) was based on the validated Nurses' Health Study food frequency questionnaire and was developed to reflect the eating habits of this age group. SUBJECTS: ...
Landin R - - 1995
In measuring food intake, three common methods are used: 24-hour recalls, food frequency questionnaires and food records. Food records or 24-hour recalls are often thought to be the most reliable, but they are difficult and expensive to obtain. The question of interest to us is to use the food records ...
Xing X - - 1995
This study evaluates the reproducibility of food intake reports in a 45-item self-administered food frequency questionnaire (FFQ) used for a diet study in a large cohort in New York State. The first FFQ was mailed in 1980, and a followup version containing 75 food items was mailed in 1988 to ...
Franceschi S - - 1995
The reproducibility of measures of the intake of total energy and 27 selected nutrients from a quantitative food frequency questionnaire (FFQ) used in a case-control study on cancer of the breast, ovary, and digestive tract was evaluated. The results of two FFQ administrations at an interval of 3 to 10 ...
Lazarus R - - 1995
In order to evaluate the repeatability of nutrient values estimated from a semiquantitative food frequency questionnaire being used in a longitudinal study of the relationships between diet, hemostatic factors, and stroke risk in the elderly in Western Sydney, a subsample of 62 participants (24 men, 38 women) completed a repeat ...
Kohlmeier L - - 1995
Exposure assessment is the weakest element in nutritional epidemiologic studies. In the absence of an adequate arsenal of biomarkers of intake in the United States, food frequency questionnaires are widely used to assess habitual frequency of consumption of foods. These tools need to be designed for the population under study, ...
Wheeler C - - 1994
OBJECTIVE: To compare the reproducibility and reported level of energy intake obtained using three versions of a meal-based food frequency questionnaire (FFQ) considering, firstly, the influence of FFQ format and, secondly, the influence of time interval between questionnaires. DESIGN: The study was conducted in two parts. In the first, subjects ...
Nelson M - - 1994
Fifty-one male and female volunteers aged 18-90 years from a wide variety of social and occupational backgrounds completed 7284 assessments of portion size in relation to food photographs. Subjects were shown six portion sizes (two small, two medium and two large) for each of six foods, and asked to compare ...
Negri E - - 1994
We computed four different correlation coefficients to investigate the degree of reproducibility of the weekly consumption of 77 food items or groups of foods and of seven summary questions from a food frequency questionnaire developed in Italy for a case-control study on cancers of the breast and digestive tract. The ...
Tokunaga S - - 1994
This study examined the reproducibility of information obtained from a questionnaire covering dietary and other information by comparing the answers to the questionnaires with answers to the same questions one year later. Answers from 191 men and 220 women, aged 40 to 65, in Fukuoka prefecture, Japan were compared. The ...
Phaneuf R A - - 1994
The objective of this study was to initiate a community surveillance of fat consumption, using a food frequency questionnaire. We surveyed 584 French speaking adults, using a telephone-administered questionnaire. A response rate of 84% was obtained, and the sample was representative of Lanaudière's population in terms of age and sex. ...
Bingham S A - - 1994
Women (n 160) aged 50 to 65 years were asked to weigh their food for 4 d on four occasions over the period of 1 year, using the PETRA (Portable Electronic Tape Recorded Automatic) scales. Throughout the year, they were asked to complete seven other dietary assessment methods: a simple ...
Rothenberg E - - 1994
OBJECTIVE: To validate a semi-quantitative food frequency questionnaire (FFQ). DESIGN: FFQ was evaluated by a 4-day food record (FR), four consecutive 24-h urinary collections, and study-specific cut-off limits for ratio between energy intake (EI) and basal metabolic rate (BMR). SETTING: Department of geriatric medicine, Göteborg University, Vasa Hospital, Gothenburg, Sweden. ...
Dop M C - - 1994
OBJECTIVE: In Africa, where growth retardation is highly prevalent, the use of expensive and time-consuming diet assessment techniques is a major obstacle to the collection of dietary data on large samples of children. The 24-h recall could be a valuable alternative. Its validity and reproducibility were assessed by comparison with ...
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