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Search Results: 1 - 10 of 9715 matches for " Verónica; Shamah-Levy "
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Energy and nutrient intake in Mexican children 1 to 4 years old: results from the Mexican National Health and Nutrition Survey 2006
Mundo-Rosas,Verónica; Rodríguez-Ramírez,Sonia; Shamah-Levy,Teresa;
Salud Pública de México , 2009, DOI: 10.1590/S0036-36342009001000008
Abstract: objective: to document the energy and nutrient intake of mexican preschool children using data from the mexican national health and nutrition survey 2006 (ensanut 2006). material and methods: dietary data from 3 552 children less than 5 years old collected through a semi-quantitative food frequency questionnaire were analyzed. energy and nutrient daily intakes and adequacies were calculated. comparisons were made by geographic region, residence locality, and socioeconomic status. results: the mexico city region showed the highest energy (103.2%), carbohydrate (109.9%), and fat (110.1%) adequacies. the highest proportion of preschoolers with energy and micronutrients inadequacy (adequacy < 100%) was observed in children of indigenous ethnicity, low socioeconomic status, living in rural localities, and in the south region. conclusions: this information may help as an indicator of food availability and access in different population strata and as a tool to focus interventions on those who may better benefit from food assistance programs.
Methodology for the analysis of dietary data from the Mexican National Health and Nutrition Survey 2006
Rodríguez-Ramírez,Sonia; Mundo-Rosas,Verónica; Jiménez-Aguilar,Alejandra; Shamah-Levy,Teresa;
Salud Pública de México , 2009, DOI: 10.1590/S0036-36342009001000007
Abstract: objective: to describe the methodology for the analysis of dietary data from the mexican national health and nutrition survey 2006 (ensanut 2006) carried out in mexico. material and methods: dietary data from the population who participated in the ensanut 2006 were collected through a 7-day food-frequency questionnaire. energy and nutrient intake of each food consumed and adequacy percentage by day were also estimated. intakes and adequacy percentages > 5 sds from the energy and nutrient general distribution and observations with energy adequacy percentages < 25% were excluded from the analysis. results: valid dietary data were obtained from 3552 children aged 1 to 4 years, 8716 children aged 5 to 11 years, 8442 adolescents, 15951 adults, and 3357 older adults. conclusions: it is important to detail the methodology for the analysis of dietary data to standardize data cleaning criteria and to be able to compare the results of different studies.
The prevalence of anemia decreased in Mexican preschool and school-age children from 1999 to 2006
Villalpando,Salvador; Shamah-Levy,Teresa; García-Guerra,Armando; Mundo-Rosas,Verónica; Domínguez,Clara; Mejía-Rodríguez,Fabiola;
Salud Pública de México , 2009, DOI: 10.1590/S0036-36342009001000005
Abstract: objective: to compare the distribution of anemia in children, based on information from mexican national health and nutrition survey 2006 (ensanut 2006) and mexican national nutrition survey 1999 (enn-99), and examine the association of anemia with potentially explanatory variables. material and methods: adjusted prevalence and means as well as associations with potentially explanatory variables were assessed by multiple linear and logistic regression models for complex samples. results: from 1999 to 2006, the prevalence of anemia decreased 13.8 percentage points (pp) in toddlers and 7.8 pp in children 24-35 months of age; it also decreased 0.7 pp/year in urban and rural populations, 1.8 pp/year in indigenous and 0.61 pp/year in non-indigenous toddlers, 1.5 pp/year in children 5-8 years of age and 0.78 pp/year in children 9-11 years of age. in toddlers served by oportunidades, hb was inversely associated with indigenous ethnicity (p=0.1) and they had a lower risk of anemia (or=0.002). in school-age children, age (or=0.98), affiliation to liconsa (or=0.42) and living in the central region (or=0.56) were protective factors for anemia. conclusions: the national prevalence of anemia in mexico has decreased in the past seven years, especially in toddlers. being a beneficiary of liconsa or oportunidades was protective for anemia.
Estado de salud y nutrición de los adultos mayores en México: resultados de una encuesta probabilística nacional
Shamah-Levy,Teresa; Cuevas-Nasu,Lucía; Mundo-Rosas,Verónica; Morales-Ruán,Carmen; Cervantes-Turrubiates,Leticia; Villalpando-Hernández,Salvador;
Salud Pública de México , 2008, DOI: 10.1590/S0036-36342008000500011
Abstract: objective: to describe health and nutrition status in the elderly population in mexico. material and methods: information from 5 480 adults (>60 years) obtained by the national health and nutrition survey (ensanut-2006) was analyzed. frequencies, means, and confidence intervals at 95% were obtained and adjusted for design effect. results: forty percent of the adults reported a lack of social security, 2% suffered from malnutrition, women were affected two times more than men by anemia (34.8 vs. 17%), more than 60% of the population were overweight and had obesity, approximately 25% suffered from hypertension according to the survey, and between 15 and 20% were diabetic. conclusions: the results of this study show that health and nutrition status among the mexican elderly population is inadequate. this is a situation that urgently needs to be addressed in order to improve the quality of life of older adults in mexico.
Energy and nutrient intake in Mexican adolescents: analysis of the Mexican National Health and Nutrition Survey 2006
Rodríguez-Ramírez,Sonia; Mundo-Rosas,Verónica; Shamah-Levy,Teresa; Ponce-Martínez,Xóchitl; Jiménez-Aguilar,Alejandra; González-de Cossío,Teresa;
Salud Pública de México , 2009, DOI: 10.1590/S0036-36342009001000010
Abstract: objective: to describe energy and nutrient intake and adequacy percentages in mexican adolescents included in the mexican national health and nutrition survey 2006 (ensanut 2006) as well as the proportion of population at risk of dietary inadequacy. material and methods: data were analyzed from 7-day food-frequency questionnaires for 8442 male and female adolescents 12-19 years old. energy and nutrient adequacies as percentage of the estimated average requirement were calculated and comparisons were done by region, residence area, and socioeconomic status (ses). results: energy intake was 1903 kcal [adequacy percentage (ap=75%)] in boys, and 1 571 kcal (ap=79.2%) in girls. intake of most nutrients (zinc, iron, vitamin c and a) was lower in subjects of low ses, living in the southern region and in rural areas. conclusions: the rural area, the southern region, and the lower socioeconomic status show the lowest intakes and percentages of nutrient adequacy for both male and female adolescents, in particular vitamin a, folates, heme iron, zinc, and calcium.
Anemia in Mexican women: results of two national probabilistic surveys
Shamah-Levy,Teresa; Villalpando-Hernández,Salvador; García-Guerra,Armando; Mundo-Rosas,Verónica; Mejía-Rodríguez,Fabiola; Domínguez-Islas,Clara Penélope;
Salud Pública de México , 2009, DOI: 10.1590/S0036-36342009001000006
Abstract: objective: to describe the prevalence of anemia in mexican women and analyze its trends with information from the last two national nutrition surveys. material and methods: the prevalence of anemia in women was analyzed. anemia was adjusted by socioeconomic profile and by potentially explanatory variables. results: the overall prevalence of anemia for pregnant women was 20.2% (95% ci 15.9, 26.2%) and 15.5% for non-pregnant women (95% ci 14.7, 16.4%). the prevalence of anemia in women decreased from 1999 to 2006 in all socioeconomic profiles. adolescent women living in the northern and in the southern regions had a greater risk of anemia than those in mexico city (p= 0.05). significant risk was found among low socioeconomic level (p< 0.06). greater parity was a significant risk factor (p< 0.05) for being anemic. conclusions: although anemia in reproductive age women in mexico decreased, it continues to be a public health problem.
Prevalence of folate and vitamin B12 deficiency in Mexican children aged 1 to 6 years in a population-based survey
Cuevas-Nasu,Lucía; Mundo-Rosas,Verónica; Shamah-Levy,Teresa; Méndez-Gómez Humaran,Ignacio; ávila-Arcos,Marco Antonio; Rebollar-Campos,Ma. del Rosario; Villalpando,Salvador;
Salud Pública de México , 2012, DOI: 10.1590/S0036-36342012000200007
Abstract: objective: to describe the magnitude and distribution of folate and vitamin b12 deficiency in mexican children. materials and methods: folate and vitamin b12 serum concentrations were measured in a probabilistic sample of 2 099 children. adjusted prevalence, mean concentrations and relevant associations were calculated based on series of logistic and linear regression models. results: the overall prevalence of folate and vitamin b12 deficiency were 3.2% and 7.7%, respectively. the highest prevalence of folate was found in the 2-year-old (7.9%), and of vitamin b12 in the 1 year-old (9.1%) groups. being a beneficiary of the fortified milk program liconsa was protectively associated with serum folate (p=0.001) and daily intake of milk with vitamin b12 (p=0.002) concentrations. conclusions: we describe the magnitude of folate and vitamin b12 deficiencies in mexican children. the deficiency of both vitamins in children under 2 years old is a moderate public health problem in mexico.
Trends for type 2 diabetes and other cardiovascular risk factors in Mexico from 1993-2006
Villalpando,Salvador; Shamah-Levy,Teresa; Rojas,Rosalba; Aguilar-Salinas,Carlos A.;
Salud Pública de México , 2010, DOI: 10.1590/S0036-36342010000700011
Abstract: objective: to describe the trends in the prevalence of type 2 diabetes (t2d), and other cardiovascular risk factors in three national health surveys (1993, 2000 and 2006). materials and methods: the databases of three surveys: enec 1993, ensa 2000 and ensanut 2006 were gathered. calculations of published data were reprocessed to do appropriate adjustments to assure comparability among surveys. results: from 1993 to 2006 the prevalence of type 2 diabetes (6.7-14.4%), metabolic syndrome (26.6-36.8%), hypertension (23.8-30.7%), hypercholesterolemia (27-43.6%), and high ldl-cholesterol (31.6-46%) increased rapidly. the prevalence of low hdl cholesterol was very high (60.5-63%) in all surveys and remained remarkably unchanged among surveys. conclusions: this increasing trends for the prevalence of t2d and cardiovascular risk factors predicts larger increments in the near future for t2d and cardiovascular morbidity and mortality. intensification of the preventive and remedy strategies is mandatory in order curve the foreseen dramatic increment in the disease burden.
Sugar-sweetened beverages consumption and BMI in Mexican adolescents: Mexican National Health and Nutrition Survey 2006
Jiménez-Aguilar,Alejandra; Flores,Mario; Shamah-Levy,Teresa;
Salud Pública de México , 2009, DOI: 10.1590/S0036-36342009001000015
Abstract: objective: to evaluate the association between the consumption of sugar-sweetened beverages (ssbs) and body mass index (bmi) in mexican adolescents. material and methods: we analyzed the data of 10 689 adolescents (ages 10 to 19 years old) who participated in the mexican national health and nutrition survey 2006 (ensanut 2006). consumption of ssbs (i.e. sodas, fruit beverages and sugar beverages) was evaluated by means of a semi-quantitative food frequency questionnaire. bmi was calculated (kg/m2). results: mean age was 13.8 ± 2.7 years. fifty percent were females. mean bmi was 21.7 ± 4.5. thirty percent of adolescents were overweight or obese. ninety percent of adolescents consumed at least one ssb during the 7 days before the interview. the median consumption of ssbs was 0.89 portion per day. multiple-linear regression analysis showed that for each portion of sodas consumed, a 0.17-point increase in bmi was observed in boys after adjusting for confounders (95% ci; 0.02-0.32, p 0.03). positive interactions of ssb consumption with age and time watching tv were observed in boys. conclusions: consumption of sodas was positively associated with bmi in mexican boys.
Overview of the nutritional status of selected micronutrients in Mexican children in 2006
Shamah-Levy,Teresa; Villalpando,Salvador; Jáuregui,Alejandra; Rivera,Juan A.;
Salud Pública de México , 2012,
Abstract: objetive: to present an overview of micronutrient status of mexican children in 2006. materials and methods: data on iron, zinc, folate and vitamin b12 deficiencies and low serum copper and magnesium were gathered and critically analyzed from the 2006 national health and nutrition survey. results: iron deficiency is still the main nutritional deficiency in children (13%-26%). zinc deficiency was high in all age groups (≈25%) but reduced 5.6 pp in children <5 y from 1999 to 2006. folate deficiency was 3.2% and vitamin b12 deficiency 7.7% in children. low serum magnesium and copper were high (22.6% and 30.6%, respectively). conclusions: the prevalence of iron deficiency seems to be lowering, and zinc deficiency has reduced in mexican children. a high prevalence of copper and magnesium deficiencies warrants further research on their public health implications.
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