Brittany J Johnson

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Research Biography

Caring Futures Institute - Better Lives

Postdoctoral Research Associate

Dr Brittany Johnson is a Postdoctoral Research Associate in the Caring Futures Institute, College of Nursing and Health Sciences. She is an Accredited Practicing Dietitian with a background in public health nutrition and experience in working with Aboriginal communities and the child care sector to make healthy food choices.

She obtained a PhD in Public Health (Flinders University, conferred 2020) which identified intervention content to support parents to reduce provision of unhealthy foods to their young children, during the transition to pre-school and school.

Brittany's research focusses on improving children and families’ health behaviours, including diet quality by reducing unhealthy food intake. She has expertise in applying behaviour change theory and creating supportive environments where children and families live, work and play.

She leads the deconstructing interventions component of the TOPCHILD Collaboration funded by an NHMRC Ideas Grant (2020-23). The TOPCHILD Collaboration is an international project is bringing together researchers from over 20 countries to transform early childhood obesity prevention, by exploring past, ongoing and planned interventions to understand how they work, and for whom. 


Transforming Obesity Prevention for CHILDren (TOPCHILD) Collaboration

Brittany leads the deconstructing interventions component of the TOPCHILD Collaboration. The TOPCHILD Collaboration is bringing together researchers from around the world to transform the thinking and practices around early childhood obesity prevention. It will be a world-first to combine individual participant data meta-analysis, deconstructing interventions and predictive modelling to identify key effective components of very early obesity prevention interventions (i.e. starting <12 months of age). By unpacking past interventions, we will understand how they work, and for whom. From this project researchers will be able to use the effective components to design new interventions that are efficient, implementable, and scalable, and directly inform policy and practice.

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Prizes and Awards

Best Higher Degree by Research Student Publication Award (2019)

Flinders University Research Student Travel Grant (2019)

Healthy Development Adelaide Research Travel Grant (2019)

Flinders University Research Scholarship (2018-19) 

Flinders University Top-up Scholarship (2018-19)

King and Amy O'Malley Trust Home Economics Postgraduate Scholarship (2017-19)

Australian Commonwealth Research Training Program Scholarship (2016-17)

The Co-op High Achiever Research Grant (2017)


Research Interests

  • Children and families
  • Unhealthy food intake
  • Behaviour change
  • School food
  • Intervention design


Research Expertise

Brittany has expertise in systematic reviews, behaviour change theory, intervention design, secondary analyses of national data sets, structural equation modelling, discrete choice experiments and dietary modelling analyses. 

Education/Academic qualification

PhD, Flinders University

Award Date: 6 Aug 2020

Bachelor, Flinders University

Mar 2007Dec 2010

Award Date: 7 Apr 2011

Bachelor of Health Sciences (Honours), University of South Australia

Jan 2014Dec 2015

External positions

Network of Early career researchers and Students of ISBNPA Committee Member, International Society of Behavioral Nutrition and Physical Activity

1 Dec 2018 → …


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