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  • 1
    Online Resource
    Online Resource
    Cambridge University Press (CUP) ; 2011
    In:  Public Health Nutrition Vol. 14, No. 5 ( 2011-05), p. 826-834
    In: Public Health Nutrition, Cambridge University Press (CUP), Vol. 14, No. 5 ( 2011-05), p. 826-834
    Abstract: To adapt and test the relative validity of an instrument measuring the usual food intake of 6–10-year-old children. Design An FFQ encompassing the preceding 6 months was adapted and compared with the average of three 24 h dietary recalls. Setting Private and public schools in Porto Alegre, capital city of Rio Grande do Sul, the southernmost state in Brazil, with 1·5 million inhabitants. Subjects Children aged 6–10 years attending grades 1–4 in private and public schools in Porto Alegre. Results Ninety-one children were studied. The FFQ overestimated all nutrients. Correlations with the values obtained by 24 h dietary recalls were mostly above 0·50. The deattenuated correlations increased for all nutrients. The κ coefficients for the adjusted nutrients varied from 0·12 (weak) to 0·34 (reasonable). Graphically, the FFQ was shown to underestimate some of the parameters and to overestimate others, with a wide CI for all nutrients. Conclusions The FFQ does not have the required relative validity to classify the intake levels of schoolchildren, and further investigation is required to understand the sources of error.
    Type of Medium: Online Resource
    ISSN: 1368-9800 , 1475-2727
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2011
    detail.hit.zdb_id: 2016337-X
    SSG: 21
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  • 2
    In: British Journal of Nutrition, Cambridge University Press (CUP), Vol. 110, No. 3 ( 2013-08-14), p. 486-492
    Abstract: Evidence supports an important contribution of abdominal obesity and inflammation to the development of insulin resistance (IR) and CVD. Weight loss in obese individuals can reduce inflammation and, consequently, IR, but the role of training remains unclear. The aim of this study was to evaluate the effects of body weight reduction with and without exercise over abdominal fat tissue (primary outcome) and IR. In this randomised clinical trial, forty-eight obese individuals (age 31·8 ( sd 6·0) years, BMI 34·8 ( sd 2·7) kg/m 2 ) were randomised to either a diet-only group (DI) or a diet and exercise group (DI+EXE). Treatment was maintained until 5 % of the initial body weight was lost. At baseline and upon completion, the following parameters were analysed: biochemical parameters such as glycaemia and insulin for the determination of homeostasis model assessment of insulin resistance (HOMA-IR), high-sensitivity C-reactive protein (hs-CRP) and abdominal computed tomography for the determination of visceral and subcutaneous adipose tissue. A total of thirteen individuals dropped out before completing the weight-loss intervention and did not repeat the tests. In both the DI ( n 18) and DI+EXE ( n 17) groups, we observed significant and similar decreases of visceral adipose tissue (difference between means: 7·9 (95 % CI − 9·5, 25·2) cm 2 , P = 0·36), hs-CRP (difference between means: − 0·06 (95 % CI − 0·19, 0·03) mg/l, P = 0·39) and HOMA (difference between means: − 0·04 (95 % CI − 0·17, 0·08), P = 0·53). In the present study, 5 % weight loss reduced abdominal fat and IR in obese individuals and exercise did not add to the effect of weight loss on the outcome variables.
    Type of Medium: Online Resource
    ISSN: 0007-1145 , 1475-2662
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2013
    detail.hit.zdb_id: 2016047-1
    SSG: 12
    SSG: 21
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  • 3
    Online Resource
    Online Resource
    Cambridge University Press (CUP) ; 2011
    In:  Journal of Biosocial Science Vol. 43, No. 3 ( 2011-05), p. 369-378
    In: Journal of Biosocial Science, Cambridge University Press (CUP), Vol. 43, No. 3 ( 2011-05), p. 369-378
    Abstract: Childhood excess weight is probably associated with, or reflected in, parental attitudes. The objective of this study was to study the relationships between childhood excess weight and parental attitudes. The study subjects were 53 boys and 56 girls, aged 6–10, regularly attending schools in Porto Alegre, south Brazil, and one of their parents or caregivers. Attitudes of the parents or caregivers were assessed by the Child Feeding Questionnaire (CFD). Weight and height of the children were measured, parents self-reported their weight and height and body mass indexes were calculated for both. The WHO criteria for overweight and obesity were used for the adults. The CDC criteria for overweight and risk for overweight were used for the corresponding children. Boys presented excess weight more often than girls. The parents of children with excess weight showed higher scores for perceived child weight, concern about child weight, restriction and monitoring. In logistic regression, excess weight in children was associated with perceived child weight, restriction and male sex; pressure to eat was negatively associated with excess BMI. In Porto Alegre, south Brazil, excess body weight in children aged 6–10 is associated with parental perceived child weight and concern about it, monitoring and restriction; being a boy increases the odds of being overweight.
    Type of Medium: Online Resource
    ISSN: 0021-9320 , 1469-7599
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2011
    detail.hit.zdb_id: 2000009-1
    SSG: 12
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  • 4
    In: Public Health Nutrition, Cambridge University Press (CUP), Vol. 17, No. 10 ( 2014-10), p. 2237-2245
    Abstract: To evaluate the reproducibility and validity of a previously constructed FFQ to assess the usual diet of patients with type 2 diabetes mellitus (T2DM). Design Cross-sectional survey using two quantitative FFQ (1-month interval) supported by a food photograph portfolio, a 3 d weighed diet record (WDR) and urinary N output measurement (as a biomarker of protein intake). Setting Group of Nutrition in Endocrinology, southern Brazil. Subjects Out-patients with T2DM. Results From a total of 104 eligible T2DM patients, eighty-eight were included in the evaluation of FFQ reproducibility and seventy-two provided data for the validity study. The intakes estimated from the two FFQ did not differ ( P 〉 0·05) and the correlation coefficients were significant ( P 〈 0·01) for energy and nutrients, ranging from 0·451 (soluble fibre) to 0·936 (PUFA). Regarding the validity evaluation, data from the FFQ were higher than those from the WDR for total (28·3 %), soluble (27·4 %) and insoluble fibres (29·1 %), and SFA (13·5 %), MUFA (11·1 %) and total lipids (9·2 %; all P 〈 0·05). There were significant correlation coefficients between the FFQ and WDR for most nutrients, when adjusted for energy intake and de-attenuated. Also, the Bland–Altman plots between the FFQ and WDR for energy and macronutrient intakes showed that the FFQ may be used as alternative method to the WDR. The validity coefficient (using the method of triads) for the FFQ protein intake was 0·522 (95 % CI 0·414, 0·597). Conclusions This quantitative FFQ was valid and precise to assess the usual diet of patients with T2DM, according to its validity and reproducibility.
    Type of Medium: Online Resource
    ISSN: 1368-9800 , 1475-2727
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2014
    detail.hit.zdb_id: 2016337-X
    SSG: 21
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