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Consumption of ultra-processed foods, dietary nutrient profile and obesity in seven countries. An Australian population study

Grant number: 16/13168-5
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2017
Effective date (End): August 31, 2019
Field of knowledge:Health Sciences - Nutrition - Nutritional Analysis of Population
Principal Investigator:Carlos Augusto Monteiro
Grantee:Priscila Pereira Machado
Host Institution: Faculdade de Saúde Pública (FSP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:15/14900-9 - Consumption of ultra-processed foods, dietary nutrient profile diet and obesity in seven countries, AP.TEM
Associated scholarship(s):17/24601-4 - Consumption of ultra-processed foods and obesity in Australian population, BE.EP.DR


This project is part of the thematic project "Consumption of ultra-processed foods, dietary nutrient profile and obesity in seven countries". The objective is to describe the pattern of consumption of ultra-processed foods in Australia and to analyze its influence on the dietary nutrient profile and the risk of obesity. The data source is the National Nutrition and Physical Activity Survey (NNPAS), conducted in 2011-12. This survey studied a random sample of the Australian population aged 2 years and over (n=12.153), obtained by using a complex, stratified, multistage probability cluster sampling design based on the selection of strata, households and the number of people within households. Food consumption data were collected through two 24-h recalls. Food items will be classified as ultra-processed when they refer to industrial formulations with substances not commonly used in culinary preparations. The ultra-processed food consumption will be described based on the average contribution to the total energy intake of the Australian population and according to sex, age, educational attainment, ethnicity/descent, family income, regions and urban or rural settings socio-demographic strata. Generalized linear models adjusted by socio-demographic variables will be used to evaluate the impact of the ultra-processed food consumption on dietary nutrient profile indicators. These indicators include dietary content of macro and micronutrients considered critical in the Australian diet and dietary patterns derived by principal component analysis applied on the dietary content of these macro and micronutrients. Weight and height data of respondents, measured during the interview, will be used to calculate the Body Mass Index and for diagnosing obesity (BMI >= 30 kg/m2). Generalized linear models will also be used to study the association between the ultra-processed food consumption and obesity status. These models will be adjusted for socio-demographic variables and other potential confounding factors, such as physical activity, and will consider the effect of mediating variables related to the nutrient profile of the diet.

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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MARTINS, CARLA ADRIANO; MACHADO, PRISCILA PEREIRA; DA COSTA LOUZADA, MARIA LAURA; LEVY, RENATA BERTAZZI; MONTEIRO, CARLOS AUGUSTO. Parents' cooking skills confidence reduce children's consumption of ultra-processed foods. APPETITE, v. 144, . (14/10155-4, 16/13168-5)
MACHADO, PRISCILA P.; STEELE, EURIDICE M.; LEVY, RENATA B.; SUI, ZHIXIAN; RANGAN, ANNA; WOODS, JULIE; GILL, TIM; SCRINIS, GYORGY; MONTEIRO, CARLOS A.. Ultra-processed foods and recommended intake levels of nutrients linked to non-communicable diseases in Australia: evidence from a nationally representative cross-sectional study. BMJ OPEN, v. 9, n. 8, . (16/13168-5, 15/14900-9)
MARTINES, RENATA MARIANA; MACHADO, PRISCILA PEREIRA; NERI, DANIELA ALMEIDA; LEVY, RENATA BERTAZZI; RAUBER, FERNANDA. Association between watching TV whilst eating and children's consumption of ultraprocessed foods in United Kingdom. MATERNAL AND CHILD NUTRITION, v. 15, n. 4, . (15/14900-9, 16/25853-4, 16/14302-7, 16/13168-5)
BIANCA GARCIA MARTINS; CAMILA ZANCHETA RICARDO; PRISCILA PEREIRA MACHADO; FERNANDA RAUBER; CATARINA MACHADO AZEREDO; RENATA BERTAZZI LEVY. Fazer refeições com os pais está associado à maior qualidade da alimentação de adolescentes brasileiros. Cadernos de Saúde Pública, v. 35, n. 7, . (14/26711-3, 16/14302-7, 16/13168-5)
MACHADO, PRISCILA PEREIRA; STEELE, EURIDICE MARTINEZ; LEVY, RENATA BERTAZZI; DA COSTA LOUZADA, MARIA LAURA; RANGAN, ANNA; WOODS, JULIE; GILL, TIMOTHY; SCRINIS, GYORGY; MONTEIRO, CARLOS AUGUSTO. Ultra-processed food consumption and obesity in the Australian adult population. NUTRITION & DIABETES, v. 10, n. 1, . (16/13168-5, 15/14900-9, 17/24601-4)
MACHADO, PRISCILA PEREIRA; STEELE, EURIDICE MARTINEZ; DA COSTA LOUZADA, MARIA LAURA; LEVY, RENATA BERTAZZI; RANGAN, ANNA; WOODS, JULIE; GILL, TIMOTHY; SCRINIS, GYORGY; MONTEIRO, CARLOS AUGUSTO. Ultra-processed food consumption drives excessive free sugar intake among all age groups in Australia. EUROPEAN JOURNAL OF NUTRITION, v. 59, n. 6, . (16/13168-5, 15/14900-9)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MACHADO, Priscila Pereira. Consumption of ultra-processed foods, nutritional dietary quality and obesity in the Australian population. 2019. Doctoral Thesis - Universidade de São Paulo (USP). Faculdade de Saúde Pública (FSP/CIR) São Paulo.

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