Development and test-retest reliability of the Food Photograph Scale for Brazilian adults (original) (raw)
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Validity and reproducibility of a food frequency questionnaire for adults of São Paulo, Brazil
Revista brasileira de epidemiologia = Brazilian journal of epidemiology, 2014
To assess the validity and reproducibility of a food frequency questionnaire developed for estimating the food consumption of adults in São Paulo, Brazil, based population study. A sample of individuals aged above 20 years, of both genders, living in São Paulo, was used for the validation study (n = 77) and reproducibility study (n = 74) of the food frequency questionnaire. To verify the validity and reproducibility of energy and 19 nutrients were applied two food frequency questionnaires (60 items) and three 24-hour dietary recalls (24HR - reference method). The validity was verified by Spearman correlation coefficient (crude and de-attenuated) and weighted Kappa, and reproducibility by intraclass correlation coefficients and weighted kappa. In analyzes of validity de-attenuated correlation coefficients ranged from 0.21 (carbohydrate) to 0.74 (energy), and weighted kappa exceeded 0.40 for 30% of the nutrients. Polyunsaturated fat and folate did not show significant correlation and ...
Perception of healthy eating among adults participating in the Eat-Mot survey in Brazil
Research, Society and Development, 2021
The purpose was to verify the association between sociodemographic and health characteristics with the perception of healthy eating among Brazilian participating in the international study Eat-Mot. The perception of healthy eating was investigated by frequency categorized into: never/rarely/sometimes and most of the times/always. Ordinal logistic regression was used to calculate “odds ratio” to verify the relationship between sociodemographic and health variables with the perception of healthy eating. Six hundred and sixty individuals participated, most of them women (74,7%) who have completed higher education or ongoing (77,6%). A good number of the interviewees perceived their diet as healthy (49,3%). In multivariate analysis, it was noted that there was a negative association between the perception of healthy eating with: be male (OR=0,45; IC95%: 0,31-0,64); have less education (high school: OR=0,51; IC95%: 0,35-0,74 and elementary school: OR=0,11; IC95%: 0,03-0,42); less practic...
Cadernos de Saúde Pública, 2016
The objective of this study was to assess the agreement between the Brazilian Healthy Eating Index – Revised (BHEI-R), estimated by a food frequency questionnaire (FFQ) and multiple 24-hour recalls (24h-R). The Wilcoxon paired test, partial correlations (PC), intraclass correlation coefficient (ICC), and Bland-Altman method were used. The total BHEI-R scores and its components (“total fruits”, “whole fruits”, “total vegetables”, “integral cereals”, “saturated fat”, “sodium”, and “energy intake derived from solid fat, added sugar, and alcoholic beverages”) were statistically different, with the ICC and PC indicating poor concordance and correlation. The mean concordance estimated for the total BHEI-R and its components varied from 68% for “integral cereals” to 147% for “whole fruits”. The suitable concordance limits were violated for most of the components of the BHEI-R. Poor concordance was observed between the BHEI-R estimated by the FFQ and by multiple 24h-R, which indicated a str...
Development of a Questionnaire to Assess People’s Food Choices Determinants
Current Nutrition & Food Science, 2019
Background: Diet and nutrition are major determinants of public health and are associated with a large number of diseases. Therefore, in order to plan actions to promote global health, it is crucial to understand people’s food choices. Objective: The aim of this study was the development and validation of a new instrument, a questionnaire to measure psycho-social motivations associated with food choices and eating practices. Methods: A descriptive cross-sectional study was undertaken on a non-probabilistic sample of 382 adult participants. The questionnaires were applied after informed consent only to adults (aged 18 or over) and the data were collected from January to April 2017 among the Portuguese population. The analysis has been conducted to explore the item-item correlation and the reliability of this new instrument. Results: The results indicated satisfactory correlations between the items of the different variables, except for Variable D (Social and cultural motivations) tha...
Cadernos de Saúde Pública, 2010
With the purpose of generating a list of foods for a food-frequency questionnaire, data from 24h dietary recalls on a typical day from a probabilistic sample of 1,724 adults of Niterói, Rio de Janeiro, Brazil, were analyzed. The frequency of food intake, the total intake of energy and macronutrients and the relative contribution of each food item to total energy and macronutrient intake were calculated. The most frequently reported food items (> 50% of adults) were rice, coffee, beans, refined canesugar, and bread. Whole milk was consumed more frequently then skimmed milk or semi-skimmed milk. Beef was consumed by more adults than chicken, pork or fish. Approximately 90% of energy and macronutrients intake was explained by 65 food items. The list of food items generated in the present analysis is similar to those found in other samples of adults from urban areas in Brazil. It may be possible to generate a core list of common foods with addition of regional foods to be used nation...
European Journal of Clinical Nutrition, 2006
Objective: To evaluate the educational influence in the relative validation of a semiquantitative food frequency questionnaire (FFQs) for adults in the city of Viçosa, Brazil. Design and subjects: Four 24-h dietary recalls (reference method) were applied to a sample of 94 adults of both genders, at intervals of 1 month. At the end of the study, an FFQs consisting of 58 food items was also applied. Then, the individuals were divided into two main groups according to their educational level (lower and higher). The dietary data were calculated by the Diet Pro 4.0 software and analyzed according to differences of means or medians and Pearson's correlation coefficients. These coefficients were adjusted by the energy and corrected by the within-person variance for each educational group, considering the extreme quartiles of the data distribution. Results: The intake of energy and nutrients, based on the 24 h dietary recalls, was inferior for the lower educational group (Po0.05). For the FFQs, just the protein and calcium intakes were statistically different, suggesting interference of the education variable in this assessment. Overestimations in the FFQs were identified in the analyses of means and medians for vitamin C and retinol intakes in the lower education group and for retinol in the higher education one. However, when evaluated by correlation coefficients non-adjusted and adjusted, they were well correlated. On the other hand, lipid (r ¼ 0.34) and calcium (r ¼ 0.13) coefficients of the group with less instruction showed beneath the desirable values, suggesting weak consistence of the estimates provided by the FFQs for these nutrients. Correlation means of r ¼ 0.65 and 0.54 were found for the higher and lower educational groups, respectively.
Nutrients
This study aimed to associate Eating Competence (EC) with food consumption and health outcomes in the Brazilian adult population. Researchers developed a questionnaire to associate EC with sociodemographic information, health outcomes, and food consumption. Data on body weight and height was referred to by participants in the questionnaire, and body mass index (BMI) was calculated and classified. A question to evaluate the perception of body size was included. After constructing the questionnaire items, content validation and semantic evaluation were performed following the Delphi method with a group of judges composed of 26 health professionals. The judges evaluated the sociodemographic information, health outcomes, and food consumption items associated with the eating competence instrument (previously validated in Brazilian-Portuguese). The final version of the questionnaire was composed of 33 items. Our results confirmed good reliability, responsiveness, and internal consistency....
Appetite, 1998
A method utilizing pictures was used to assess food choice with 44 school boys in three different age groups (10, 13 and 16 years old). The aim of the study was to test reliability and construct validity (i.e. inter-instrument agreement) of food choice assessed when the boys were asked to compose breakfasts. The focus was on choices of milk, margarine, bread and breakfast cereals, as in these food groups it is possible to choose between low-fat/high-fat and low-fibre/high-fibre products. Subjects were asked to repeat their composing of breakfasts after eight weeks, and to complete a four-day food record on breakfasts after the second interview occasion. For comparisons between food choices a new non-parametric statistical method was used. Both reliability and construct validity were good for choices of milk and margarine. The unreliability could be explained as random in nature or in terms of healthier choices in the second interview.
Sao Paulo Medical Journal, 2015
CONTEXT AND OBJECTIVE: The food frequency questionnaire (FFQ) is the preferred instrument for obtaining dietary information in epidemiological studies. A short form of the FFQ was compared with the original version that was used in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil), and also with three 24-hour dietary recalls. DESIGN AND SETTING: Cross-sectional study carried out in six Brazilian state capitals. METHODS: Multiple linear regression was used to reduce the original food and drink list of the FFQ, which had contained 114 food items. The frequency of consumption and nutritional composition of the foods were also taken into consideration. To assess the validity of the shortened FFQ, the energy and nutrients values of the 24-hour dietary recalls were deattenuated and log-transformed. RESULTS: The list of the FFQ of ELSA-Brasil was reduced to 76 food items. The intraclass correlation coefficients in the validation study ranged from 0.17 (selenium) to 0.66 (calci...