Ximena Díaz

ORCID: 0000-0003-0456-3399
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About
Contact & Profiles
Research Areas
  • Health and Lifestyle Studies
  • Obesity, Physical Activity, Diet
  • Aging, Health, and Disability
  • Social Sciences and Policies
  • Nutrition and Health in Aging
  • Stress and Burnout Research
  • Sports and Physical Education Studies
  • Eating Disorders and Behaviors
  • Physical Activity and Health
  • Adipokines, Inflammation, and Metabolic Diseases
  • Workplace Health and Well-being
  • Employment and Welfare Studies
  • Nutritional Studies and Diet
  • Regulation of Appetite and Obesity
  • Children's Physical and Motor Development
  • Body Composition Measurement Techniques
  • Labor Law and Work Dynamics
  • Employment, Labor, and Gender Studies
  • Global Public Health Policies and Epidemiology
  • Adipose Tissue and Metabolism
  • Stroke Rehabilitation and Recovery
  • Congenital Anomalies and Fetal Surgery
  • Healthcare Systems and Technology
  • Oral microbiology and periodontitis research
  • Cardiovascular and exercise physiology

Universidad del Desarrollo
2020-2024

University of Chile
2015-2024

University of Bío-Bío
2011-2022

Clínica Alemana
2020-2022

Centro de Estudios Científicos
2016

Instituto de Salud Pública de Chile
2015

Surveillance of physical activity (PA) is essential for the development health promotion initiatives. The aim present study was to examine prevalence PA and sedentary behaviour with respect socio-demographic factors in Chile.A representative sample 5434 adults aged ≥15 years (59% women) who participated Chilean National Health Survey (2009-2010) were included. Socio-demographic data (age, sex, environment, education level, income level smoking status) collected all participants. levels...

10.1093/pubmed/fdv079 article EN Journal of Public Health 2015-06-25

Handgrip strength (HGS) is a well-established indicator of muscle and can help to identify risk sarcopenic obesity in children. This study explores the relationship between adiposity muscular healthy Chilean adolescents. Adolescents (n = 491) aged 10–17 were selected from five schools Santiago, Chile. HGS was determined by dynamometry. Anthropometry (weight, height, waist mid arm circumference), physical activity socioeconomic status also measured. Relative (RHGS) calculated dividing maximum...

10.1371/journal.pone.0234316 article EN cc-by PLoS ONE 2020-06-10

Increasing consumption of ultra-processed foods (UPF), defined by the NOVA classification, has been associated with obesity and other health outcomes. However, some authors have criticized UPF definition because it is somewhat subjective. Most studies identify using food descriptions; nevertheless, developers described a list ingredients, including substances not commonly used for cooking "cosmetic additives" that could be to UPF. Assessing impact use different definitions particularly...

10.3389/fnut.2022.1046463 article EN cc-by Frontiers in Nutrition 2023-01-10

Ageing will be one of the most significant social transformations 21st century worldwide. In last 40 years, Chile has tripled its older adult population. As a result, by 2050 country have highest proportion adults in Latin America. This remarkable growth reinforces need to identify their current situation and revise what is society doing maintain people as active members. this context, narrative revision aimed describe sociodemographic, epidemiologic sociocultural profile Chilean adults....

10.4067/s0034-98872020000600799 article EN Revista médica de Chile 2020-06-01

Material and Methods: We included 5,040 participants from the Chilean National Health Survey 2009-2010. Physical activity level sedentary behavior (sitting time) were measured using Global Activity Questionnaire (GPAQ v2). Highly behaviors determined as > 4 hours per day of sitting time. Logistic regression was used to identify correlates highly behavior.

10.4067/s0034-98872018000100022 article EN Revista médica de Chile 2018-01-01

Material and Methods: Active commuting was measured using the Global Physical Activity Questionnaire (GPAQ v2) in 5,293 participants from Chilean National Health Survey 2009-2010. Body mass index (BMI) waist circumference (WC) were study outcomes. The association between active obesity investigated linear logistic regression analysis.

10.4067/s0034-98872017000700837 article EN Revista médica de Chile 2017-07-01

Breakfast is one of the most important meals day. A good quality breakfast must include dairy products, cereals, and fruits. The aim this study to determine dietary patterns their nutritional among Chilean university students. cross-sectional non-probabilistic was conducted in 200 students between 18 27 years Santiago, Chile. To identify quality, a food survey conducted. Patterns were identified by factor analysis. Most subjects (53%) ate daily, with higher prevalence females (60.2% vs....

10.3390/nu12020552 article EN Nutrients 2020-02-20

Handgrip strength (HGS) is a well-established indicator of muscle and reasonable clinical predictor metabolic health diseases. This study explores the association between relative muscular abdominal obesity (AO) in healthy Chilean adults. A convenience sample was recruited (n = 976) 2018 2020. The HGS determined by dynamometry. anthropometry (weight, height, waist, mid-arm circumference) physical activity were also measured. (RHGS) calculated dividing maximum dominant hand body mass index....

10.3389/fnut.2022.812928 article EN cc-by Frontiers in Nutrition 2022-02-23

Effects of a lower body weight or waist circumference on cardiovascular risk. Findings from the Chilean health surveyBackground: Overall and central obesity are important risk factors for disease.Aim: To investigate association weight, mass index (BMI) (WC) with in Chile.Material Methods: We included 5,157 participants National Health Survey 2009-2010.Prevalence type 2 diabetes, hypertension, metabolic syndrome dyslipidemia (high total cholesterol triglyceride levels low HDL-cholesterol)...

10.4067/s0034-98872017000500005 article EN Revista médica de Chile 2017-05-01

Resumo: O estudo estimou a prevalência de estresse no trabalho Chile e suas associações com exposição ocupacional ao risco psicossocial qualidade do emprego, considerando as diferenças gênero. Estudo transversal uma amostra representativa nacional 3.010 trabalhadores/as (1.486 mulheres 1.524 homens). Dezoito por cento da relataram (23,8% vs. 14,8% Aqueles expostos riscos psicossociais têm mais chances sofrer que os não expostos, maior chance homens. Homens em empregos precários comparação...

10.1590/0102-311x00176814 article PT cc-by Cadernos de Saúde Pública 2016-01-01

The aim was to translate and culturally adapt the Yale Food Addiction Scale 2.0 (YFAS 2.0) Chilean population, evaluate its psychometric properties in a non-clinical sample, assess correlations between symptoms count of food addiction (FA) with demographic anthropometric variables.

10.1007/s40519-024-01691-3 article EN cc-by-nc-nd Eating and Weight Disorders - Studies on Anorexia Bulimia and Obesity 2024-09-28

Material and Methods: A cross-sectional analysis of 244 individuals aged 60 years or more, participating in the 2016-2017 Chilean National Health Survey, was carried out. Handgrip strength evaluated by a hand dynamometer low grip determined as ≤ 15 kg 27 for women men, respectively.

10.4067/s0034-98872020001101598 article EN Revista médica de Chile 2020-11-01

ResumenObjetivo: El objetivo de este estudio fue analizar la eficacia un programa actividad física y alimentación saludable en escolares chilenos.Materiales Métodos: Se trabajó con ocho Centros Educativos Chillán, total 257 niños.La intervención se aplicó durante 5 meses, desarrollaron talleres las reuniones padres apoderados material educativo, a los niños les incorporaron 45 minutos diarios AF todos días semana saludables.Los instrumentos utilizados fueron dos cuestionarios, uno sobre el...

10.17151/hpsal.2015.20.1.6 article ES Hacia la Promoción de la Salud 2015-06-09

La obesidad es un importante factor de riesgo cardiovascular. No obstante, no todas las personas obesas tienen perfil metabólico alterado ni normo-peso poseen normal. Objetivo: determinar la prevalencia diferentes fenotipos metabólicos asocia-dos al estado nutricional en Chile. Métodos: se incluyeron 1.733 participantes Encuesta Nacional Salud 2009-2010. El (obesidad o normo-peso) fue determinado a través del IMC mientras que condición metabólica (saludable no) base cuatro parámetros:...

10.4067/s0717-75182019000300264 article ES Revista chilena de nutrición 2019-05-23

There is growing scientific evidence regarding the biological, psychological, and behavioral parallels involved in addiction excessive food consumption. The Yale Food Addiction Scale 2.0 (YFAS2.0) currently only validated measure to operationalize addictive eating behavior. This scale has not been Chilean population; therefore, aim of this study was evaluate psychometric properties culturally adapted version YFAS2.0 for population. An observational, analytical, cross-sectional carried out....

10.3390/proceedings2023091183 article EN cc-by 2024-02-02

Quality of life (QoL) significantly improves in the short term after bariatric surgery (BS). However, evidence on long-term QoL patients with BS is limited.

10.4067/s0034-98872024000300331 article EN Revista médica de Chile 2024-03-01

Background Food addiction (FA) is defined as hedonic eating behavior involving the consumption of highly palatable foods (i.e., ultra processed in quantities beyond homeostatic energy requirements). FA present a subset patients with overweight or obesity and could contribute to response weight loss treatments. Aim Determine individuals that fulfil criteria measured by YFAS 2.0, its association anthropometric body composition variables clinical sample undergoing treatment. Also, determine...

10.3389/fnut.2024.1459274 article EN cc-by Frontiers in Nutrition 2024-10-16
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