Sarah Warkentin

ORCID: 0000-0002-6678-5256
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About
Contact & Profiles
Research Areas
  • Obesity, Physical Activity, Diet
  • Eating Disorders and Behaviors
  • Child Nutrition and Feeding Issues
  • Child Nutrition and Water Access
  • Breastfeeding Practices and Influences
  • Nutritional Studies and Diet
  • Consumer Attitudes and Food Labeling
  • Air Quality and Health Impacts
  • Nutrition, Health and Food Behavior
  • Biochemical Analysis and Sensing Techniques
  • Health disparities and outcomes
  • School Health and Nursing Education
  • Obesity and Health Practices
  • Food Security and Health in Diverse Populations
  • Urban Transport and Accessibility
  • Noise Effects and Management
  • Maternal and Neonatal Healthcare
  • Health, Environment, Cognitive Aging
  • Climate Change and Health Impacts
  • Indigenous Health and Education
  • Random Matrices and Applications
  • Blood Pressure and Hypertension Studies
  • Food, Nutrition, and Cultural Practices
  • Migration, Racism, and Human Rights
  • Sleep and Wakefulness Research

Barcelona Institute for Global Health
2023-2024

Universitat Pompeu Fabra
2024

Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública
2024

Universidade do Porto
2020-2024

i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto
2020-2023

Universidade Federal de São Paulo
2011-2021

Johns Hopkins Medicine
2016-2017

Johns Hopkins University
2016-2017

Lund University
2001-2008

Recent national surveys in Brazil have demonstrated a decrease the consumption of traditional food and parallel increase ultra-processed food, which has contributed to rise obesity prevalence all age groups. Environmental factors, especially familial strong influence on intake preschool children, this led development psychometric scales measure parents' feeding practices. The aim study was test validity translated adapted Comprehensive Feeding Practices Questionnaire sample Brazilian...

10.1186/s12889-016-3282-8 article EN cc-by BMC Public Health 2016-07-19

Eating habits formed in early childhood are influenced by parental feeding behaviors, warranting investigation of predictors and correlates parent feeding. We aimed to describe relationships between practices child characteristics a sample Brazilian preschoolers. Four hundred two parents preschoolers enrolled private schools São Paulo Campinas, Brazil, completed version the Comprehensive Feeding Practices Questionnaire, as well questions about attitudes, food intake, other obesity-associated...

10.1186/s12889-018-5593-4 article EN cc-by BMC Public Health 2018-06-07

O baixo peso ao nascer tem grande relação com risco de morrer no primeiro ano vida. Estudos mostram sua associação problemas desenvolvimento na infância e doenças vida adulta. Dada a importância desse indicador, o objetivo deste estudo foi investigar os fatores sociais, demográficos, biológicos ambientais envolvidos determinação. Analisaram-se dados da Pesquisa Nacional Demografia Saúde Criança Mulher (PNDS-2006), incluindo apenas crianças menores 24 meses A prevalência Brasil 6,1%. Os...

10.1590/s0102-311x2013000200021 article PT cc-by Cadernos de Saúde Pública 2013-02-01

Abstract Objective The present study aimed to identify food patterns among 2–9-year-olds and investigate sociodemographic, anthropometric behavioural predictors of less healthy dietary patterns. Design Cross-sectional study. Parents completed an FFQ factor analysis was applied also questionnaires assessing characteristics parents children, including parental feeding practices. Setting Participants were recruited from private schools Campinas São Paulo, SP, Brazil, between April June 2014....

10.1017/s1368980017002452 article EN Public Health Nutrition 2017-10-09

Children's eating behaviors are influenced by parents, who the first nutritional educators. The comprehensive feeding practices questionnaire (CFPQ) was developed to measure among but has not yet been validated in Brazil, where child obesity rates steeply increasing. aim of study test validity CFPQ Brazilian parents school-aged children and propose a new version instrument.Transcultural adaptation included translation into Portuguese, back translation, content validity, testing for semantic...

10.3389/fnut.2015.00035 article EN cc-by Frontiers in Nutrition 2015-11-03

Background Children's eating behavior, food intake and weight status are highly influenced by parents, who shape their environment via parental feeding practices. The aim of this study was to investigate associations between sociodemographic, anthropometric behavioral/attitudinal characteristics parents 5-to-9 year-old children, a range positive ("healthy guidance", "monitoring") potentially negative ("restriction for control", "restriction health", "emotion regulation/food as reward",...

10.3389/fnut.2017.00006 article EN cc-by Frontiers in Nutrition 2017-03-21

To identify associations between maternal restrictive feeding practices for child weight control and sociodemographic, behavioral, dietetic, anthropometric characteristics.Cross-sectional study with mothers of children aged 2-8 years. Maternal were measured by the Comprehensive Feeding Practices Questionnaire, in private schools Brazil. Bivariate multivariate performed, using nonparametric analyses to estimate odds ratios significance levels.Maternal independently associated mother's...

10.1016/j.jped.2017.12.009 article EN cc-by-nc-nd Jornal de Pediatria 2018-02-10

OBJECTIVE: The present study described the duration and identified determinants of exclusive breastfeeding. METHODS: used data from Pesquisa Nacional de Demografia e Saúde da Criança Mulher 2006 (National Demographic Health Survey on Women Children 2006). Data were collected using questionnaires administered by trained professionals refer to a subsample 1,704 children aged less than 24 months. estimated durations breastfeeding are presented according socioeconomic, demographic...

10.1590/s1415-52732013000300001 article EN Revista de Nutrição 2013-06-01

Background: Brazil is undergoing nutritional transition and rates of obesity in preschool school-aged children are increasing. Excess weight the first years life could predict excess adulthood, making risk factors essential to study this population. Objective: Our goal was investigate associations parent feeding behaviors, as well more distal familial influences including family SES maternal paternal weight, with BMI z- score a Brazilian sample. Methods: Cross-sectional study. Data were...

10.3389/fnut.2018.00069 article EN cc-by Frontiers in Nutrition 2018-08-10

We perform importance sampling for a randomized matrix multiplication algorithm by Drineas, Kannan, and Mahoney derive probabilities that minimize the expected value (with regard to distributions of elements) variance. compare these optimized with uniform conditions under which actual variance is lower. Numerical experiments query matching in information retrieval applications illustrate produce more accurate matchings than they can also be computed efficiently.

10.1137/10080659x article EN SIAM Journal on Scientific Computing 2011-01-01

The aim of this study was to examine the prevalence parental misperception child weight status, and identify socioeconomic, anthropometric, behavioral dietary factors associated with underestimation.Cross-sectional study. Data collected in 14 Brazilian private schools. Parents children aged 2-8 years (n=976) completed a self-reported questionnaire assessing their perception child's sociodemographic, information. To measure agreement between about status actual Kappa coefficient estimated,...

10.1016/j.jped.2017.05.010 article EN cc-by-nc-nd Jornal de Pediatria 2017-08-19

Summary Background Child food intake and appetitive behaviors show an inconsistent pattern of associations with parental feeding practices. Relationships likely vary depending on parent style, the method by which child eating are measured. Objectives We tested relationships controlling less forms promotion limitation assessed in preschoolers' normal school environments. Methods As part a 5‐day protocol, preschoolers consumed standardized lunches, caloric compensation, rate absence hunger...

10.1111/ijpo.12714 article EN Pediatric Obesity 2020-09-07

To identify the prevalence and factors associated with consumption of ultra-processed foods by Brazilian adolescents.The sample was representative adolescents participants in cross-sectional population-based study National Survey School Health, 2015 edition (PeNSE-2015). A self-administered questionnaire used for data collection. The variable weekly considered, more than seven times a week considered excessive. Descriptive inferential analyses demographic, socioeconomic, behavioral...

10.1590/1984-0462/2022/40/2020362 article EN cc-by Revista Paulista de Pediatria 2021-10-04

The Adult Eating Behavior Questionnaire (AEBQ) is a tool developed in the UK, used investigation of appetitive traits adults and adolescents, later validated number countries. To date, validity AEBQ has not been tested on Portuguese-speaking popula-tions. aim this study was to validate sample Portuguese adolescents. Participants were 4483 13-year-olds enrolled population-based cohort Generation XXI. Appetitive self-reported by adolescents through parents also reported adolescent eating...

10.3390/nu14061301 article EN Nutrients 2022-03-19

Rapid prenatal and postnatal weight gain seem to alter appetite regulation hypothalamic functions through different pathways; however, little is known on how early life growth trajectories may influence appetitive traits in school-age. We aimed explore the associations between from birth 5 years at 7. Participants were Generation XXI cohort (n 3855). Four investigated: 'normal gain' (closely overlaps 50th percentile weight-for-age curve), 'weight during infancy' (low mainly infancy),...

10.1017/s0007114523000272 article EN British Journal Of Nutrition 2023-01-24

To identify associations between maternal restrictive feeding practices for child weight control and sociodemographic, behavioral, dietetic, anthropometric characteristics. Cross‐sectional study with mothers of children aged 2–8 years. Maternal were measured by the Comprehensive Feeding Practices Questionnaire, in private schools Brazil. Bivariate multivariate performed, using nonparametric analyses to estimate odds ratios significance levels. independently associated mother's perception her...

10.1016/j.jpedp.2018.03.008 article PT cc-by-nc-nd Jornal de Pediatria (Versão em Português) 2019-03-01

To identify the prevalence and factors associated with inadequate milk consumption among adolescents.This was a cross-sectional study based on secondary data from National School Health Survey (2012), Brazilian survey carried out using self-administered questionnaire in representative sample of 9th-grade students public private schools. The frequency intake its association socio-demographic characteristics, food physical activity were estimated. A descriptive inferential analysis (no at...

10.1590/1984-0462/2020/38/2018184 article EN cc-by Revista Paulista de Pediatria 2019-11-23
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