BackgroundRecently, some studies have evaluated the role of adiposity measures in the prediction of hypertension risk, but the results are conflicting. Thus, the aim of this study was to compare which of the four indicators of adiposity (waist circumference–WC, body mass index–BMI, body adiposity index–BAI, and visceral adiposity index–VAI) were better associated with hypertension in a Brazilian population.Methods and findingsFor this study, were selected 1627 individuals (both genders, and aged over 18 years) resident in the municipality of Baependi, a city located in the Southeast of Brazil. WC, BMI, BAI and VAI were determined according to a standard protocol. Hypertension was defined as mean systolic blood pressure ≥ 140 mmHg and/or diastolic blood pressure ≥ 90 mmHg, and/or antihypertensive drug use. The indicators of adiposity WC, BMI, BAI, and VAI were higher in hypertensive when compared to non-hypertensive individuals. In addition, WC and BMI were most strongly associated with hypertension in men and women, respectively. The area under the curve (AUC) of WC was significantly higher than VAI in men. In women, both AUC of BMI and WC showed higher discriminatory power to predict hypertension than BAI and VAI.ConclusionsThe indicators of adiposity WC and BMI were better associated with hypertension than BAI and VAI, in both genders, and it could be a useful tools for the screening of hypertensive patients.
Resumo Introdução O letramento funcional em saúde (LFS) diz respeito à habilidade dos indivíduos em compreender as informações relacionadas à saúde e está relacionado a diversos desfechos de saúde. Objetivo Investigar a associação do LFS com fatores sociodemográficos, apoio social, autoavaliação do estado de saúde e perfil de acesso aos serviços de saúde em mulheres assistidas pela Estratégia de Saúde da Família (ESF). Método Estudo transversal, conduzido em 2015-2016, em duas Unidades de Atenção Primária à Saúde cobertas pela ESF, de um município da região Sudeste do Brasil. A amostra foi composta por 439 mulheres, entre 25 e 64 anos. O LFS foi avaliado por meio do Brief Test of Functional Health Literacy in Adults (B-TOFHLA). Efetuaram-se cálculos da razão de prevalência (RP). Posteriormente, construiu-se um modelo de regressão de Poisson de variância robusta, sendo admitida significância estatística quando p ≤0,05. Resultados Foi constatado que 53,5% das mulheres apresentaram um baixo LFS, o qual associou-se à idade superior aos 40 anos (RP = 1,18; IC 95%: 1,07-1,31), ao grau de instrução inferior ao ensino médio completo (RP = 1,26; IC 95%: 1,15-1,38), à baixa renda (RP = 1,13; IC 95%: 1,04-1,23) e à autodeclaração da cor parda ou preta (RP= 1,06; IC 95%: 1,01-1,12). Conclusão Os resultados acentuaram a importância do LFS como estratégia para a abordagem de populações com maior vulnerabilidade socioeconômica.
BACKGROUND: We aimed to compare the accuracy of the ponderal index (PI) vs. BMI-forage z-scores transformed (BMIz) in estimating body fat levels and classifying obesity in children and adolescents from a Brazilian urban population. METHODS: This is a cross-sectional study with 1149 participants (53.2% male), aged 6 to 18 years. Body fat percent (BFP) was obtained by multi-frequency bioelectrical impedance. Non-linear regression analysis provided the accuracy of both BMIz and PI in estimating BFP. False positive rate was obtained from the proportion of individuals placed at or above the 95 th percentile for BMIz or PI, whereas their BFP was discordantly below the 95 th percentile. RESULTS: PI and BMIz appeared with similar stability from childhood to adolescence for both boys and girls. The portion of the variability in BFP explained by BMIz (R 2 = 0.74 and R 2 = 0.75) was close to the variability in BFP explained by PI (R 2 = 0.73 and R 2 = 0.75) for boys and girls, respectively. False positive rate was higher for BMIz compared with PI among boys (21.8% vs. 3.9%) and girls (28.5% vs. 17.5%). CONCLUSIONS: PI is a promising index for replacing BMIz in children and adolescents due to its potential to reduce false diagnosis of obesity.
Objective: To evaluate energetic contribution according to the degree of industrial food processing and its association with sociodemographic, anthropometric, biochemical, clinical and behavioural characteristics in adolescents. Design: Cross-sectional study (Adolescent Lifestyle Study). Food consumption was assessed using 24-h dietary recalls, with foods classified by degree of industrial progressing. The usual diet was estimated using the Multiple Source Method. In a linear regression model, the energy percentage (E %) was associated with sociodemographic, anthropometric, biochemical, clinical and behavioural characteristics, after adjustment for sex and age. Setting: Juiz de Fora, Brazil. Participants: Eight hundred and four adolescents, of both sexes, 14–19 years of age, enrolled in public schools. Results: The E % of unprocessed or minimally processed foods corresponded to 43·1 %, processed foods to 11·0 % and the ultraprocessed foods to 45·9 %. E % of unprocessed foods was associated with socio-economic stratum (adjusted β = −0·093; P = 0·032), neck circumference (adjusted β = 0·017; P = 0·049), screen time (adjusted β = −0·247; P = 0·036) and HDL-cholesterol (adjusted β = −0·156; P = 0·003). E % of ultraprocessed foods was associated with socio-economic stratum (adjusted β = 0·118; P = 0·011), screen time (adjusted β = 0·375; P = 0·003), BMI (adjusted β = −0·029; P = 0·025), neck circumference (adjusted β = −0·017; P = 0·028) and HDL-cholesterol (adjusted β = 0·150; P = 0·002). Conclusions: There was a high E % of ultraprocessed foods in the diet of the adolescents. Actions are needed to raise the awareness of adopting healthy eating habits.
Objective: To review the scientific findings on the baby-led weaning method (BLW) in the context of complementary feeding.Data sources: Two independent examiners searched the Medical Literature Analysis and Retrieval System Online (MEDLINE)/PubMed database in August 2016. No time-period was defined for the publication dates. The following descriptors were used: “baby-led weaning” OR “baby-led” OR “BLW”. Inclusion criteria were: original studies that were available in English, and which addressed the BLW method. Exclusion criteria were: references in other languages, opinion articles and literature reviews, editorials and publications that did not elaborate on the intended subject. Of the 97 references identified, 13 were included in the descriptive synthesis.Data synthesis: The BLW group of babies, when compared to the traditional eating group, were less prone to being overweight, less demanding of food, and ate the same foods as the family. The number of choking episodes did not differ between groups. Mothers who opted for the implementation of BLW had higher levels of schooling, held managerial positions at work, and were more likely to have breastfed until the sixth month of the child’s life. Concerns were raised about messes made during meals, wasting food, and choking, but most of the mothers recommended adopting the method. Health professionals were hesitant to indicate this method.Conclusions: BLW was recommended by mothers who followed the method with their own children. However, concerns have been reported, which, coupled with professionals’ fears about the inability of infants to self-feed, reflect a lack of knowledge about the method.
Objective: The aim of this study is to systematically review the scientific findings about the efficacy of the measure of the Adductor Pollicis Muscle Thickness for nutritional assessment of individuals in various clinical conditions. Method: Systematic review study performed according to the methodology Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). Results: 13 original articles published between 2004 and 2016 were included. The measure was associated/correlated to parameters of nutritional status (such as weight, body mass index and Global Subjective Assessment) and muscle mass markers (such as circumference brachial muscle circumference, brachial muscle area, calf circumference, and muscle mass). All these correlations were weak or moderate. Conclusion: The measurement can be used in different populations, being able to estimate nutritional status and muscle mass. However, it is suggested that it be used in a complementary way to the nutritional evaluation, not constituting a single diagnostic/monitoring parameter.
Objetivo: Analisar os fatores associados ao risco de apresentar altera��es no exame citopatol�gico do colo do �tero. M�todos: Estudo transversal, que contemplou mulheres entre 25 a 64 anos. O risco para um exame alterado foi calculado a partir de quatro crit�rios: primeira rela��o sexual antes dos 18 anos; mais de quatro parceiros sexuais ao longo da vida; hist�ria anterior de doen�a sexualmente transmiss�vel; mais de tr�s partos. As an�lises foram efetuadas utilizando-se os testes Qui-quadrado de Pearson, raz�o de preval�ncia (RP) e Regress�o de Poisson com vari�ncia robusta e intervalo de confian�a (IC) de 95%. Resultados: A amostra foi composta por 479 mulheres, das quais 30% apresentaram alto risco para um exame citopatol�gico alterado. Constatou-se que as mulheres com baixa renda (RP = 1,12; IC95%: 1,04-1,21), com percep��o negativa da pr�pria sa�de (RP = 1,13; IC95%: 1,06-1,20), que faziam uso de tabaco (RP = 1,14; IC95%: 1,05-1,23) ou �lcool (RP = 1,09; IC95%: 1,02-1,18) apresentaram alto risco de apresentar um exame alterado, ao passo que a idade elevada (RP = 0,83; IC95%: 0,73�0,95) associou-se � diminui��o desse risco. Conclus�o: As mulheres jovens, de baixa renda, com percep��o negativa da pr�pria sa�de e que usavam tabaco ou �lcool tinham maior probabilidade de apresentar altera��es no exame citopatol�gico do colo do �tero.
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