William Rodrigues Tebar

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Verified

William verified their affiliation via an institutional email.

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• PhD
• Assistant Professor at São Paulo State University

Introduction Self-esteem has been positively associated with physical activity, but it is not clear whether different domains and intensities of physical activity are differently related to self-esteem in community-dwelling adults. This study aimed to analyze the relationship between self-esteem and different domains and intensities of physical act...

There is growing evidence on the association between meeting the recommendations of isolated movement behaviors (physical activity, sedentary time, and sleep) with anxiety and depressive symptoms. However, the joint association of meeting the 24 h movement guidelines with anxiety and depressive symptoms is still unknown. The aim of this study was t...

Background and Aims Musculoskeletal disorders (MSD) are an important health problem, and the Covid‐19 pandemic affected several lifestyle and health aspects worldwide, including moderate‐to‐vigorous physical activity (MVPA), sedentary behavior (SB) and sleep time, which compose the 24‐h movement guidelines (24‐hMG). It is unclear whether meeting 24...

Avaliar a associação de comportamentos de movimento de 24 horas com ansiedade em universitários durante a pandemia. Os resultados transversais baseiam-se em 87 estudantes (idade média = 26,6±6,5 anos, 72,7% do sexo feminino). Foi preenchido um questionário online sobre dados sociodemográficos, ansiedade (Inventário de Ansiedade Traço-Estado-Traço),...

Background and objective To analyze the association between different domains and intensities of physical activity (PA) in adults. Methods 269 participants were randomly selected in a community-dwelling representative sampling process. The habitual PA practice was assessed in different domains (occupational, sports practice, and leisure time/commu...

Understanding the relationship between antithyroperoxidase antibodies (TPOAb) and carotid intima-media thickness (cIMT) could provide insights into the mechanisms linking thyroid autoimmunity and cardiovascular disease. We aimed to explore the association of multiple categories of TPOAb with the increased cIMT at baseline and at follow-up in partic...

Sedentary behavior (SB) is associated with health impairments, while physical activity (PA) has been a protective factor. It is unclear whether SB and PA are associated with occurrence of signs and/or symptoms (SS) during cardiac rehabilitation program (CRP) exercise sessions. The objective was to evaluate the association between SB and PA with occ...

Introduction The aim of this study was to analyze the effects of 16 wk of Muay Thai practice on body perception, self-esteem, and quality of life in adolescents with overweight/obesity. Methods The sample consisted of adolescents with overweight/obesity, aged 10–17 yr. Overweight/obesity was confirmed using body mass index (BMI) and body fat (BF)....

Background Adiposity can be measured using BMI (which is based on weight and height) as well as indices of abdominal adiposity. We examined the association between BMI and waist-to-height ratio (WHtR) within and across populations of different world regions and quantified how well these two metrics discriminate between people with and without hyper...

Background The elevated blood pressure (BP) and lower cardiac autonomic modulation (CAM) are associated with higher morbidity mortality risk among older adults. Although exercise is an important intervention for cardiovascular promotion, it is unclear whether combat sports training could benefit cardiovascular outcomes as much as autonomic in this...

The association of thyroid function with essential and non-essential amino acids is understudied, despite their common metabolic roles. Thus, our aim was to evaluate the association of thyroid function with the levels of branched-chain amino acids (BCAAs—leucine, isoleucine, and valine) and of alanine in the general population. We utilized data fro...

The 24-h movement guidelines for children and adolescents comprise recommendations for adequate sleep, moderate to vigorous physical activity (MVPA) and sedentary behaviour (SB). However, whether adolescents who meet these 24-h movement guidelines may be less likely to have high blood pressure (HBP) has not been established. The present study asses...

Background Lifestyle and habits, cardiovascular risk factors (CRF), bone and mental health, dietary habits, physical activity, among others are developed in childhood and adolescence. Family environment has shown to play an important role in these outcomes. However, whether the parent-child relationship lifestyle habits and health parameters can be...

Background Practicing sports during childhood and adolescence provides benefits to cardiac autonomic modulation (CAM) at these stages of life. However, it is not known whether these benefits to CAM persist into adulthood. Therefore, the objective of this study was to analyze the association of early sports practice (sports practice in childhood and...

Summary Background Underweight and obesity are associated with adverse health outcomes throughout the life course. We estimated the individual and combined prevalence of underweight or thinness and obesity, and their changes, from 1990 to 2022 for adults and school-aged children and adolescents in 200 countries and territories. Methods We used data...

Background: A high workload has been associated with musculoskeletal pain in public school teachers. However, the hypothesis of the present study was that physical activity (PA) practice is able to attenuate this association. Objective: To analyze the associations between high workload with musculoskeletal pain according to PA levels in public s...

Purpose The household composition is important for adolescents and understanding its relationship with their lifestyle habits is essential. This study aimed to analyze the relationship of household composition with sedentary behavior and eating habits of adolescents. Methods This study analyzed data from the Brazilian National Scholar Health Surve...

Background The physical inactivity is a global health concern, so that recommendations on sufficient physical activity levels are elaborated worldwide, such as in Brazil. However, the Canadian 24-Hour Movement Guidelines were first in the world to consider time-specific recommendations for physical activity, sedentary behavior and sleep, which is s...

Background Changes in cardiovascular health indicators during childhood and adolescence can lead to cardiovascular diseases in adulthood. Excess body fat is one of the main factors for cardiovascular diseases. Thus, new strategies for the practice of physical activity with this population are needed to prevent and/or reverse this situation. Aim To...

Background Time spent on screen devices affects sleep quality and duration leading to several health impairments in youth. Although physical activity (PA) benefits sleep patterns and decreases screen time in adolescents, it is unclear whether the relationship between sleep quality/duration and screen time could be influenced by PA levels. Objectiv...

Objective: Back pain and poor sleep quality are public health issues. Relating to adolescents particularly, the way in which this relationship can occur is still unclear. The aim of this study was to investigate whether low back and neck pain are associated with sleep quality among adolescents. Material and methods: In total, 1011 randomly selec...

Background and objective To compare high-sensitivity C-reactive protein (hsCRP) levels according to smoking status and physical activity (PA) changes in adults. Methods The sample consisted of 6028 participants (4833 men) who underwent a voluntary routine health evaluation at the Preventive Medicine Center at the Hospital Israelita Albert Einstein...

Background: Very-low density lipoproteins (VLDL) are the smallest and most atherogenic particles. Research question: The association of cholesterol content in VLDL particles with incident coronary artery calcification (CAC) is unclear. Aim: To analyze the association of VLDL cholesterol content with 5-year CAC status among ELSA-Brasil participants....

Background: Cholesterol content (CC) of lipoprotein particles is heterogeneous according to size and type. Research Question: The association of CC with carotid artery calcium (CAC) progression in different subclasses is not established. Aim: To analyze the association between CC of lipoprotein particles and CAC progression in ELSA-Brasil cohort st...

Background The association of lifestyle habits of parents and of their children has been widely investigated as an important determinant for healthy habits in youth. Although parental sociodemographic characteristics are potential confounding factors in parent-child physical activity (PA) and sedentary behaviour (SB), it is still unclear whether th...

Healthy eating patterns associated with physical activity (PA) are important factors for the survival of breast cancer survivors. However, little is known about whether the different domains of PA (occupational, leisure/sport and commuting) can interfere with healthy eating. For this, 128 breast cancer survivors were evaluated. The socioeconomic cl...

Background: People with long work hours, as evidenced by teachers, were more likely to present health problems that impact their quality of life (QoL). The reduced physical activity (PA) level or higher sedentary behavior in public school teachers was related to obesity. Although PA seems to improve the QoL in other professions, assessing whether...

Context The presence of thyroid peroxidase antibodies (TPOAb) may be considered as an indicator of adverse health outcomes. Objective We aimed to investigate the potential determinants of TPOAb levels and to analyze the association between TPOAb titers and the risk of all- and specific-cause mortality. Methods Baseline and longitudinal data of 13...

Elevated levels of glycoprotein acetylation (GlycA) and C-reactive protein (CRP) have been associated with carotid artery plaque (CAP). However, it is not yet established if elevations in both inflammatory biomarkers provide incremental association with CAP. This study aimed evaluate the cross-sectional association of high CRP and GlycA with CAP at...

Objective: This study investigated the association of psoriasis with cardiovascular risk factors and psychological aspects among participants of the Brazilian Longitudinal Study of Adult Health. Methods: This is a cross-sectional study from the baseline data of the Brazilian Longitudinal Study of Adult Health cohort, collected between 2008 and 2...

Objective: To determine the relationship between psoriasis, thyroid-stimulating hormone (TSH), free thyroxine (FT4), free triodothyronine (FT3), thyroid peroxidase antibodies (TPOAb), and subclinical thyroid dysfunctions in middle-aged and older adults. Materials and methods: Cross-sectional analyses included a self-reported medical diagnosis of...

There is a lack of consensus about the association between psoriasis (PSO) and carotid intima-media thickness (cIMT) in literature, since previous studies considered dermatologic clinic patients or general population. This study aimed to compare cIMT levels according to PSO in a sample of 10,530 civil servants form the ELSA-Brasil cohort study and...

This study analyzed the influence of sedentary behavior (SB) on the association between dietary patterns and adiposity in community-dwelling adults. Eight hundred and forty-three adults (age: 56.5 ± 18.3 years) participated in this cross-sectional epidemiological study. Dietary patterns were evaluated using self-report questions regarding the weekl...

Background: The role of sociodemographic factors in the association between early sports participation (ESP) and sedentary behavior is unclear. We analyzed the association of ESP with sedentary behavior and identified the influence of sociodemographic factors in adulthood. Methods: A sample of 264 community-dwelling adults was randomly assessed...

Optimal growth and development in childhood and adolescence is crucial for lifelong health and well-being1–6 . Here we used data from 2,325 population-based studies, with measurements of height and weight from 71 million participants, to report the height and body-mass index (BMI) of children and adolescents aged 5–19 years on the basis of rural an...

IntroductionSedentary behavior (SB) has been associated with adverse health outcomes, however, it is not completely clear whether total time in SB during the day or prolonged uninterrupted SB are interrelated. The aim of the current study was to describe the different patterns of SB of adults, their relationships, and associated factors.Methods The...

Introduction: Recently, TPOAb has been highlighted as an indicator of autoimmune diseases in general and low-grade inflammation. However, little is known about the distribution of TPOAb categories according to sociodemographic and lifestyle characteristics. Hypothesis: We assessed the hypothesis that potential determinants are associated with multi...

Introduction: The association between lipoprotein subparticles and atherosclerosis is not consistent in literature. For example, it is still unclear whether low-density lipoprotein particles (LDLP), high-density lipoprotein particles (HDLP), and triglyceride-rich lipoprotein particles (TRLP) were associated with carotid artery plaque (CAP) in adult...

Introduction: There is an association between thyroid autoimmunity and the cardiovascular system, however, it remains unclear whether detectability and positivity of thyroid peroxidase antibodies (TPOAb) could contribute to the development of atherosclerosis. Hypothesis: We assessed the hypothesis that there is an association of multiple categories...

Introduction: Thyroid peroxidase antibodies (TPOAb) has been considered a new indicator of low-grade inflammation. The presence of TPOAb was associated with a higher risk of cardiovascular diseases and mortality in previous studies. Hypothesis: We assessed the hypothesis that there is an association of TPOAb and risk of mortality in middle-aged par...

Introduction: Elevated GlycA and C-reactive protein (CRP) are associated with carotid artery plaque (CAP). However, it is not yet established if the presence of both inflammatory biomarkers provides incremental association with CAP. Objective: We cross-sectionally analyzed the association of high CRP and GlycA with CAP at baseline in the ELSA-Brasi...

The longitudinal association between psoriasis and carotid intima-media thickness (CIMT) has not yet been established. This study aimed do compare CIMT and its change (∆CIMT) after an 8-year follow-up according to psoriasis diagnosis and the association with risk factors in the ELSA-Brasil study. Data from 7564 participants were analyzed (median ag...

Background Sports practice in childhood and adolescence has been inversely related to the chances of developing cardiovascular risk factors (CRFs). However, it is not clear whether sports practice in childhood and adolescence could be inversely related to CRF in adult life. Objectives This study aimed to analyze the association between early sport...

Although breast cancer treatments reduce mortality, their adverse effects can increase depression which impacts one’s quality of life (QoL). Physical activity (PA) seems to improve the QoL of breast cancer survivors (BCS). However, an unanswered question is the influence of PA on the QoL in BCS with depressive symptoms. Thus, we analyzed the influe...

Cardiovascular diseases are the leading cause of death in the world and arterial hypertension (AH) accounts for 13.8% of deaths caused by cardiovascular diseases. Strength training interventions could be an important alternative tool for blood pressure control, however, consistent evidence and the most effective training protocol for this purpose a...

Background: Diabetes is an important public health problem due to its health impairments and high costs for health services. We analyzed the relationship between the domains of physical activity at leisure-time (LTPA) and at commuting (CPA) with diabetes and pre-diabetes in an ELSA-Brasil study. Methods: Data from 11,797 participants (52.5% wome...

Extended periods of time on screen devices and sitting are the main activities that characterize sedentary behavior (SB), which negatively impacts the quality of life. This negative influence was demonstrated mainly by cross-sectional studies performed in high-income countries in which the effects of screen time on health-related quality of life (H...

Objective The aim of this study is to analyze the effects of nine months of martial arts practice (Judo and Muay Thai) on the aerobic fitness of children and adolescents. Methods The sample consisted of 64 young people (41 boys and 23 girls) participating in a social project, aged between 6 and 15 years (9.06 ± 2.11). The children and adolescents...

Background: Breast cancer survivors frequently present cardiac autonomic dysfunction. Physical activity (PA) has been associated with better cardiac autonomic modulation (CAM) in breast cancer survivors. Objective: This study aimed to analyze the association between CAM and PA levels performed in different domains (work and occupation, sport and...

Introduction: Investigating the determinants of physical activity (PA) is an important strategy for the promotion of healthy lifestyles, mainly with PA of a moderate-to-vigorous intensity, which provides several health benefits in adulthood. In this sense, it is not clear whether early sports practice (ESP) during childhood and adolescence could b...

Purpose The teaching profession can generate several musculoskeletal pains due to the physical and psychological demands of teaching activities. Physical activity (PA) can decrease musculoskeletal pain. However, it is not clear in the literature which of the domains of PA (work, sport and leisure time/commuting) could be inversely related to muscul...

Introduction: It is hypothesized that children's habits can be modulated by their parent's lifestyle. However, it is still not established whether the relationship between cardiovascular risk factors (CVRF) in adolescents and their parents could be attenuated by parental physical activity levels. Objective: This study aimed to analyze the relati...

Background: High prevalence of back pain has been observed in adolescents. Sedentary behavior (SB) is considered a risk factor for musculoskeletal pain. The association between back pain and SB in the pediatric/adolescent population is not well established. Objective: To investigate the association between SB and low back and neck pain in adoles...

Objectives: To investigate the association between sedentary time (ST) patterns and depressive symptoms, and whether moderate-to-vigorous physical activity (MVPA) can moderate this association. Methods: This cross-sectional study included a representative sample of 243 adults (mean age 41.8±16.7 years, 56.4% women) from a city in Southeast Brazi...

Background Sedentary behavior has been associated with musculoskeletal pain in school teachers. However, our hypothesis is that physical activity practice could mitigate this association. Aim The aim of this study was to investigate the relationship of musculoskeletal pain with high screen-based sedentary behavior among public school teachers and...

Objective: This study analyzed the association of high blood pressure (HBP) with physical activity, sedentary behavior, and sedentary breaks in 2-year follow-up. Methods: A sample of 331 middle-aged and older adults (mean age of 59.6 ± 17.3 years) was randomly selected and assessed at baseline and after 2 years of follow-up. HBP was considered as ≥...

Baecke questionnaire have been widely used to assess physical activity. However, the role of educational level on validity and reliability of Baecke questionnaire is still not stablished, being a factor that can potentially influence the accuracy of self-reported measures. The present study aimed to verify the validity and reliability of Baecke que...

Introduction: Teachers have a high prevalence of insufficient physical activity (PA) levels. However, the barriers to the practice of PA in this population and their associated factors are still not established in the literature. Objective: To describe the barriers to PA and identify associated factors in public school teachers. Methods: The sample...

Background & Aims Anxiety can be related to reduced diet quality during pandemics such as COVID-19. However, it is not clear whether these relationships would be similar in inactive and physically active participants. The aim of this study was to analyze associations between anxiety and eating habits in physically active and inactive individuals du...

Purpose: Upper respiratory tract infections are associated with sleep disorders in adults and may also occur in younger populations. However, in Brazil, epidemiological studies with large samples are still necessary to verify this relationship. Methods: Analyze the relationship between upper respiratory tract infections with sleep disorders in sede...

Objective: To investigate whether the sedentary behaviour contribute to the development of new episodes of low back pain in adults. Methods: Searches were performed in five electronic databases from their inception to March 2022. Prospective cohort studies with people without low back pain at baseline investigating the effect of sedentary behavi...

The objective was to verify whether the impact of COVID-19 on physical activity and screen time was associated with the impact on quality of life and symptoms of anxiety and depression in a sample of Brazilian adults. The invitation was made through social networks and the collection was carried out through electronic research. There was a decrease...

Background It is estimated that, worldwide, 9% of deaths occur as a result of insufficient physical activity (PA) practice. Practicing PA can prevent and/or reduce the deleterious effects of different types of diseases and can improve general health aspects related to health-related quality of life (HRQoL). Purpose To analyze the relationship of d...

Objectives This analysis describes the protocol of a study with a case-cohort to design to prospectively evaluate the incidence of subclinical atherosclerosis and Cardiovascular Disease (CVD) in Chronic Inflammatory Disease (CID) participants compared to non-diseased ones. Methods A high-risk group for CID was defined based on data collected in al...

Abstract: Background: To analyze the effects of a single session of Muay Thai (MT) on blood pressure and heart rate in adolescents with overweight/obesity. Methods: A total of 27 adolescents with overweight/obesity (12.85 ± 2.08 years), 13 girls and 14 boys, performed 60 min of MT composed of general and modality-specific exercises, as well as comb...

Physical activity has been linked to higher cardiac autonomic modulation. However, it is not clear in the literature which type of intensity of physical activity (sedentary, light, moderate, or vigorous) could be related to better cardiac autonomic modulation and whether this relationship is similar in men and women. The aim of this study was to an...

Purpose This study aimed to analyze the longitudinal influence of sitting time (ST) on cardiac autonomic modulation (CAM) and resting heart rate (RHR) in a 12-month cohort of 67 breast cancer survivors. Methods CAM was assessed by heart rate variability with heart monitor which also assessed RHR, and ST was self-reported. The relationship between...

Background Somatic maturation and the age at onset of puberty are closely related to bone mineral density (BMD), and are potential confounders of the associations between physical activity, sedentary behavior (SB) and BMD in adolescents. Thus the aim was compare BMD at different anatomical sites according to different domains of SB. Methods The sa...

Obesity is one of the major public health burdens, and is a global pandemic that has been associated with lifestyle habits and comorbidities in the general population. Teachers comprise a wide category of workers with unestablished factors associated with obesity. This cross-sectional epidemiological study analyzed the association of obesity, defin...

Objective To analyze the association of sleep quality with reported screen-based sedentary time and reported physical activity, among overweight adolescents. Methods Adolescents aged 10 to 17 years enrolled in public and private schools were included. Data collection was carried out during the school semesters of 2014–2015 and participants who did...

Purpose To investigate the association of sedentary behavior and physical activity from childhood to adolescence with prevalence of low back pain in adolescents. In addition, we also explored whether sleep quality influences this association. Methods This is a cross-sectional epidemiological study. Participants (aged 10–17 years) were recruited fr...

Background Sports practice can promote several health benefits in pediatric populations; nonetheless, most of the studies that investigated these benefits are of cross-sectional design. Thus, our objective was to verify the effectiveness of two types of physical activities through sports, judo and ball games (soccer, volleyball, handball, and baske...

Background: To analyze the relationship between different physical activity (PA) domains and adiposity indicators in breast cancer survivors. Methods: This is a cross-sectional study, composed of 115 breast cancer (BC) survivors. Measurements of weight, height, waist circumference (WC), and hip circumference were objectively collected, as well a...

This study aimed to analyze the relationship between cardiac autonomic modulation (CAM) and cardiovascular parameters (blood pressure and resting heart rate) in a sample of 256 adults, grouped by body mass index and sufficient moderate-to-vigorous physical activity (≥150 min/week). The sample showed different cardiovascular parameters and CAM accor...

Objectives This study aimed to analyze the association between body dissatisfaction and sports participation from childhood to adolescence in a school-based sample of adolescents, according to sex.MethodsA total of 1011 adolescents of 13.1 ± 2.3 years of age were evaluated. Body dissatisfaction was assessed by the Silhouettes Scale and sports parti...

Purpose To describe, during the COVID-19 pandemic, the relationship between depression and musculoskeletal pain according to the physical activity levels. Design Cross-sectional study. Methods This survey research was conducted in Brazil between May 05th and 17th 2020. Participants (n=1872; 58% women) were invited through social media to answer a...

Background Hypertension can be detected at the primary health-care level and low-cost treatments can effectively control hypertension. We aimed to measure the prevalence of hypertension and progress in its detection, treatment, and control from 1990 to 2019 for 200 countries and territories. Methods We used data from 1990 to 2019 on people aged 30...

Objectives: Treatments for breast cancer (BC) can lead to physical and mental impairments which may affect quality of life (QoL). Physical activity (PA) is highly recommended for this population due to its protective effect against BC relapse and its ability to reduce the health impact of treatment. However, it is not clear whether the different d...

Objective: The present study aimed to analyze the association of 2-year changes in BMI and waist circumference with changes in blood pressure (BP) in a randomized sample of community-dwelling adults. Methods: A sample of 331 middle-aged and older adults (mean age of 59.6 ± 17.3 years) was randomly selected. Measurements of SBP and DBP, BMI, and...

Background: Resting heart rate (RHR) may be a useful screening tool for cardiovascular risk. However, RHR cutoff points, an interesting clinical approach, have never been described in young populations. Objective: To establish RHR cutoff points in Brazilian adolescents and to analyze whether cutoff points are associated with cardiovascular risk...

Background: To examine the association of handgrip strength (HGS) and bone mineral density (BMD) of Brazilian children and adolescents. Methods: The sample included 243 children and adolescents aged from 4 to 15 years (9.3 ± 2.2 years), 171 males and 72 females. The following measurements were performed: weight, height, trunk length, and years to t...

The aim of this study was to analyze the association between physical activity and eating habits during the COVID-19 pandemic among Brazilian adults. A sample of 1,929 participants answered an online survey, however 1,874 were included in the analysis. The impact of the COVID-19 pandemic on eating habits was assessed inquiring about participants' i...

Objective To analyze the association between the continuous physical activity (PA) at different life stages with sleep quality in adults. Methods This is an observational study with a cross-sectional design. A sample of 843 adults (61.7% female) with a mean age of 56.6 (±18.3) years was randomly selected. The PA at different life stages was assess...

Background Understanding the factors associated with care-seeking behaviour in adolescents with spinal pain will inform health care professionals and guide a better decision-making. Objective To identify factors, including parents’ habits and behaviour, related to care-seeking in adolescents with neck pain or low back pain (LBP). Study Design A c...