Claire Tugault-Lafleur

MA, RD, PhD

Affiliate Investigator, BC Children's Hospital
Assistant Professor, School of Nutritional Sciences, University of Ottawa

Dr. Tugault-Lafleur's research program emphasizes healthy eating in children and youth and is shaped by her background as a registered dietitian, fusing methods and theory from nutrition education, public health, behavioural and implementation sciences. Her doctoral research focused on characterizing the dietary quality of Canadian children on school days and identifying factors associated with nutritional outcomes among children and youth using nationally representative dietary survey data. After her doctoral degree, professor Tugault-Lafleur completed a CIHR Postdoctoral Fellowship at the BC Children's Hospital Research Institute from 2019-2020.

Dr. Tugault-Lafleur's current research seeks to better understand children's nutrition and physical activity environments, and how they are linked with eating and physical activity behaviours. She also has a strong interest in better designing and evaluating interventions at various levels (the family, community, and policy-level) to promote optimal health outcomes for the Canadian population.

She is a Registered Dietitian (R.D.) with the College of Dietitians of Ontario, and a member of the Canadian Nutrition Society, Dietitians of Canada, and the International Society of Behavioral Nutrition and Physical Activity.

Academic Affiliations

  • Research Theme: Evidence to Innovation
  • Research Group(s): Clinical and Community Data, Analytics and Informatics; Implementing Knowledge for Equity and System Change

Contact Information

Location

Faculty of Health Science building (FHS), The University of Ottawa, 200 Lees Avenue, Ottawa, Ontario, Canada, K1N 6N5

Lifestyle trajectories of boys and girls during the transition to secondary school in British Columbia, Canada, before and during the COVID-19 pandemic

BMC Public Health

Louise C. Msse and Olivia De-Jongh Gonzlez and Karen Sauve and Claire N. Tugault-Lafleur and Lucy LeMare and Patti-Jean Naylor

DOI: 10.1186/s12889-025-26112-7

01 / 2026

The Good Start Matters mHealth Parenting Program: Protocol for a Randomized Controlled Trial

JMIR Research Protocols

Olivia De-Jongh Gonzlez and Claire N Tugault-Lafleur and Janet W T Mah and Louise C Msse

DOI: 10.2196/72642

10 / 2025

The Good Start Matters mHealth Parenting Program: Protocol for a Randomized Controlled Trial (Preprint)

Olivia De-Jongh Gonzlez and Claire N Tugault-Lafleur and Janet W T Mah and Louise C Msse

DOI: 10.2196/preprints.72642

02 / 2025

Better Lunch Boxes: Testing the Feasibility and Acceptability of a Family-Based Pilot Intervention to Support Nutritious Home-Packed Lunches

Children

Petresin, T. and Haines, J. and Battram, D.S. and Desgreniers, V. and Regina Pena Mascorro, I. and Tugault-Lafleur, C.N.

DOI: 10.3390/children12060739

A longitudinal, two-cohort study of parenting influences on adolescent physical activity and screen-time during the transition to secondary school in British Columbia

Preventive Medicine Reports

De-Jongh Gonz{\'a}lez, O. and Edache, I.Y. and Tugault-Lafleur, C.N. and M{\^a}sse, L.C.

DOI: 10.1016/j.pmedr.2025.103192

Adolescents mental health is associated with food parenting practices among British Columbian families

Appetite

De-Jongh Gonz{\'a}lez, O. and Marshall-Beaucoup, S. and Tugault-Lafleur, C.N. and M{\^a}sse, L.C.

DOI: 10.1016/j.appet.2024.107715

Discussion of Nutrient intakes of Canadian children and adolescents at school by meal occasion and location of food preparation

Applied Physiology Nutrition and Metabolism

Black, J.L. and Tugault-Lafleur, C.

DOI: 10.1139/apnm-2025-0093

A stepwise approach to designing and delivering the SCHeLTI trial community-family-mother-child obesity prevention intervention

Methodsx

De-Jongh Gonz{\'a}lez, O. and Fan, J. and Marc, I. and Jiang, H. and Van Hulst, A. and Tugault-Lafleur, C.N. and Wu, Y. and Hao, Y. and Wang, L. and Hu, X. and Wang, C. and Sun, W. and Semenic, S. and Yu, Y. and Chen, L. and Wu, W. and Zhou, Y. and Li, T. and Fang, W. and Liu, Y. and Zhang, R. and Zhu, Q. and Peng, A. and Dubois, L. and Chen, Z. and Tayier, R. and Xu, J. and Liu, H. and Luo, Z.C. and Vaillancourt, C. and Landry, M. and Allard, C. and Zhan, J. and Ouyang, F. and Abdelouahab, N. and Bouchard, L. and Baillargeon, J.-P. and Fraser, W.D. and Huang, H. and M{\^a}sse, L.C.

DOI: 10.1016/j.mex.2025.103493

How Do Meals and Snacks Consumed in Childcare Contribute to Children's Food and Nutrient Intakes?

Canadian Journal of Dietetic Practice and Research A Publication of Dietitians of Canada Revue Canadienne De La Pratique Et De La Recherche En Dietetique Une Publication Des Dietetistes Du Canada

Boss{\'e}, A. and Haines, J. and Duncan, A.M. and Ma, D.W.L. and Tugault-Lafleur, C.N.

DOI: 10.3148/cjdpr-2025-008

Efficacy of the Foodbot Factory digital curriculum-based nutrition education intervention in improving children's nutrition knowledge, attitudes and behaviours in elementary school classrooms: Protocol for a cluster randomised controlled trial

BMJ Open

Brown, J.M. and Tahir, S. and Franco-Arellano, B. and Lesage, A. and Hughes, J. and Kapralos, B. and Lou, W. and Vogel, E. and Farkouh, M. and Tugault-Lafleur, C. and Arcand, J.

DOI: 10.1136/bmjopen-2024-092426

Development of the Canadian food intake screener for adolescents based on Canadas Food Guide 2019 healthy eating recommendations

International Journal of Behavioral Nutrition and Physical Activity

Tugault-Lafleur, C. and Desgreniers, V. and Bessette, G. and Kazzi, R.A. and Jacob, R. and Hernandez, K. and St-Pierre, S. and Haines, J.

DOI: 10.1186/s12966-025-01837-1

Patterns of Physical Activity Parenting Practices and Their Association With Children's Physical Activity Behaviors

Childhood Obesity

De-Jongh Gonz{\'a}lez, O. and Hutchison, S.M. and Tugault-Lafleur, C.N. and O{'}Connor, T.M. and Hughes, S.O. and M{\^a}sse, L.C.

DOI: 10.1089/chi.2022.0226

Obesity-Related Parenting Practices, Styles, and Family Functioning: A Natural Experiment Comparing Pandemic and Nonpandemic Data

Journal of Family Psychology

Gonz{\'a}lez, O.D.-J. and Tugault-Lafleur, C.N. and M{\^a}sse, L.C.

DOI: 10.1037/fam0001196

Temporal snacking patterns among Canadian children and adolescents

Applied Physiology Nutrition and Metabolism

Tugault-Lafleur, C.N. and Polsky, J.Y.

DOI: 10.1139/apnm-2024-0059

Efficacy of the Aim2Be Intervention in Changing Lifestyle Behaviors among Adolescents with Overweight and Obesity: Randomized Controlled Trial

Journal of Medical Internet Research

Tugault-Lafleur, C.N. and De-Jongh Gonzlez, O. and Macdonald, J. and Bradbury, J. and Warshawski, T. and Ball, G.D.C. and Morrison, K. and Ho, J. and Hamilton, J. and Buchholz, A. and Msse, L.

DOI: 10.2196/38545

Factors associated with physical activity policy and practice implementation in British Columbias childcare settings: a longitudinal study

BMC Public Health

Tugault-Lafleur, C.N. and Naylor, P.-J. and Carson, V. and Faulkner, G. and Lau, E.Y. and Wolfenden, L. and Msse, L.C.

DOI: 10.1186/s12889-023-16502-0

Who Misses Lunch on School Days in Canada?

Journal of Hunger & Environmental Nutrition

Claire N Tugault-Lafleur and Jennifer L Black

DOI: 10.1080/19320248.2021.1984359

11 / 2022

The Aim2Be mHealth Intervention for Children With Overweight or Obesity and Their Parents: Person-Centered Analyses to Uncover Digital Phenotypes

Journal of Medical Internet Research

Olivia De-Jongh Gonzlez and Claire N Tugault-Lafleur and E Jean Buckler and Jill Hamilton and Josephine Ho and Annick Buchholz and Katherine M Morrison and Geoff DC Ball and Louise C Msse

DOI: 10.2196/35285

06 / 2022

Efficacy of the Aim2Be Intervention in Changing Lifestyle Behaviors Among Adolescents With Overweight and Obesity: Randomized Controlled Trial (Preprint)

Claire N Tugault-Lafleur and Olivia De-Jongh Gonzlez and Janice Macdonald and Jennifer Bradbury and Tom Warshawski and Geoff D C Ball and Katherine Morrison and Josephine Ho and Jill Hamilton and Annick Buchholz and Louise Msse

DOI: 10.2196/preprints.38545

04 / 2022

Does an active play standard change childcare physical activity and healthy eating policies? A natural policy experiment

BMC Public Health

Tugault-Lafleur, C.N. and Naylor, P.-J. and Carson, V. and Faulkner, G. and Lau, E.Y. and Wolfenden, L. and M{\^a}sse, L.C.

DOI: 10.1186/s12889-022-13079-y

Gender plays a role in adolescents dietary behaviors as they transition to secondary school

Appetite

Alysha L. Deslippe and Claire N. Tugault-Lafleur and Tomoko McGaughey and Patti-Jean (P.J.) Naylor and Lucy Le Mare and Louise C. Msse

DOI: 10.1016/j.appet.2021.105642

12 / 2021

The Aim2Be mHealth Intervention for Children With Overweight or Obesity and Their Parents: Person-Centered Analyses to Uncover Digital Phenotypes (Preprint)

Olivia De-Jongh Gonzlez and Claire N Tugault-Lafleur and E Jean Buckler and Jill Hamilton and Josephine Ho and Annick Buchholz and Katherine M Morrison and Geoff DC Ball and Louise C Msse

DOI: 10.2196/preprints.35285

11 / 2021

Identifying and predicting food parenting practice profiles among Canadian parents

International Journal of Behavioral Nutrition and Physical Activity

Tugault-Lafleur, C.N. and Gonzlez, O.D.-J. and O?Connor, T.M. and Hughes, S.O. and Msse, L.C.

DOI: 10.1186/s12966-021-01119-6

Are fathers and mothers food parenting practices differentially associated with children's eating behaviors?

Appetite

De-Jongh Gonzlez, O. and Tugault-Lafleur, C.N. and O'Connor, T.M. and Hughes, S.O. and Msse, L.C.

DOI: 10.1016/j.appet.2021.105434

Calibration of the food parenting practice (FPP) item bank: tools for improving the measurement of food parenting practices of parents of 5"12-year-old children

International Journal of Behavioral Nutrition and Physical Activity

Msse, L.C. and O?Connor, T.M. and Lin, Y. and Hughes, S.O. and Tugault-Lafleur, C.N. and Baranowski, T. and Beauchamp, M.R.

DOI: 10.1186/s12966-020-01049-9

Calibration of the Food Parenting Practice Item Bank: Tools for improving the measurement of food parenting practices of 5-12 year old children

International Journal of Behavioral Nutrition and Physical Activity

Masse, LC and O'Connor, TM and Lin, Y and Hughes, SO and Tugault-Lafleur, CN and Baranowski, T and Beauchamp, MR

DOI: https://doi.org/10.1186/s12966-020-01049-9

Lunch on school days in Canada: Examining contributions to nutrient and food group intake and differences across eating locations

Journal of the Academy of Nutrition and Dietetics

Tugault-Lafleur, Claire N. and Black, Jennifer L.

DOI: 10.1016/j.jand.2020.01.011

Examining differences in school hour and school day dietary quality among Canadian children between 2004 and 2015

Public Health Nutrition

Tugault-Lafleur, Claire N. and Barr, Susan I. and Black, Jennifer L.

DOI: https://doi.org/10.1017/S1368980019000788

Differences in the quantity and types of foods and beverages consumed by Canadians between 2004 and 2015

Nutrients

Tugault-Lafleur, Claire N. and Black, Jennifer L. and Tugault-Lafleur, Claire N. and Black, Jennifer L.

DOI: 10.3390/NU11030526

Correction: Tugault-Lafleur C.N. and Black J.L. Differences in the Quantity and Types of Foods and Beverages Consumed by Canadians between 2004 and 2015 Nutrients 2019, 11, 526

Nutrients

Tugault-Lafleur, Claire N. and Black, Jennifer L.

DOI: 10.3390/NU11092160

Lunch-time food source is associated with school hour and school day dietary quality

Journal of Human Nutrition and Dietetics

Tugault-Lafleur, Claire N and Black, Jennifer L and Barr, Susan I

DOI: https://doi.org/10.1111/jhn.12500

Reply to MM Graziose

Advances in nutrition

Tugault-Lafleur, Claire N and Black, Jennifer L and Barr, Susan I

DOI: 10.3945/an.117.015685 PubMed: 28710150

07 / 2017

Examining school day dietary intake among Canadian children

Applied Physiology, Nutrition and Metabolism

Tugault-Lafleur, Claire N and Black, Jennifer L. and Barr, Susan I.

DOI: https://doi.org/10.1139/apnm-2017-0125

A systematic review of methods to assess children's diets in the school context

Advances in Nutrition

Tugault-Lafleur, Claire N and Black, Jennifer L and Barr, Susan I

DOI: 10.3945/an.116.013144

Lunch-time food source is associated with dietary intakes and diet quality among Canadian children

Applied Physiology Nutrition Metabolism

Tugault-Lafleur, C.N. and Black, J. and Barr, S.

DOI: 10.1111/jhn.12500

Examining school-day dietary intakes among Canadian children

Applied Physiology, Nutrition and Metabolism

Tugault-Lafleur, C.N. and Black, J.L. and Barr, S.I.

DOI: 10.1139/apnm-2017-0125

Examining temporal differences in school day dietary intakes and factors associated with school-hour dietary intakes in Canada

Applied Physiology Nutrition Metabolism

Tugault-Lafleur, C.N. and Black, J. and Barr, S.

Evaluation of Methods to Assess Children's Diets in the School Context: A Systematic Review

The FASEB Journal

Tugault-Lafleur, C.N. and Black, J. and Barr, S.I.

Of rice and spice: Hmong livelihoods and diversification in the Northern Vietnam uplands

Moving Mountains: Ethnicity and Livelihoods in Highland China, Vietnam, and Laos

Tugault-Lafleur, C. and Turner, S.

The price of spice: Ethnic minority livelihoods and cardamom commodity chains in upland northern Vietnam

Singapore J Trop Geography

Tugault-Lafleur, C. and Turner, S.

DOI: https://doi.org/10.1111/j.1467-9493.2009.00376.x

Diet quality of Canadian children

Drawing on nation-wide dietary data from the Canadian Community Health Survey (CCHS) as well as data from Canadian Family Studies (the Guelph Family Health Study), I am leading several analyses exploring factors associated with dietary quality among Canadian children. This work lays the foundation to inform future interventions aimed at ameliorating the dietary quality of Canadian children.

A Good Start Matters - Creating environments that support physical activity in childcare setting

In recent years, the BC Government has acknowledged the negative influence that physical inactivity and obesity have on the health of children and youth in Canada. We are interested in exploring the impact that the implementation of the Active Play Standards and the use of the intervention materials have on the environment, polices, and practices in childcare settings, as well as on the health behaviours in children.

The Sino-Canadian Healthy Life Trajectories Initiative (SCHeLTI)

This is a multicentre, cluster-randomised, parallel-group, superiority trial of a multifaceted community-family-mother-child intervention to prevent childhood overweight and obesity.

Grants

Examining school day dietary practices: An analysis of national dietary data from the 2004 and 2015 Canadian Community Health Surveys. (2017-2018). Jennifer L. Black (Principal applicant), Claire Tugault-Lafleur (Co-Applicant), Susan I. Barr. (Collaborator). Canadian Institutes of Health Research, $100,000

Honours & Awards

CIHR Postdoctoral Fellowship Award (2019). $150,000 salary award over 3 years and $1,500 per year in research funds

UBC Faculty of Land and Food System Doctoral Award (2017), $3,000

Danone Institute of Canada Communication Award (2016), $2,000

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