Aligning with the United Nations Convention on the Rights of the Child, amplification of children’s voice in food practice research aims to inform initiatives that cater to children’s needs and thus improve nutritional outcomes. The aim of this study was to describe children’s (aged 6–11 years) involvement across qualitative research investigating their food practice perspectives.

A scoping review was conducted according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Scoping Reviews (PRISMA-ScR). Six electronic databases were searched up until March 2023 (Cochrane, CINAHL, Embase, ERIC, Medline and PsychInfo). The Wellcome Framework for young people’s involvement in health research guided data extraction. Data were described according to inclusiveness, geography, food-related study topic, research stage and method, and child involvement.

The search identified 120 peer-reviewed studies (134 papers). Active participation was only seen within research implementation stages (i.e. data collection (n 134), analysis (n 31), dissemination (n 9) and re-design (n 7)). More passive forms of participation were identified in research design stages (i.e. agenda setting, resourcing and design). Studies that utilised participatory research methodologies and developmentally appropriate and engaging methods (e.g. PhotoVoice) saw more active participation by children.

This review identified a lack of opportunities for children’s active participation in all stages of food practice research. Without a radical shift towards providing these opportunities, food and nutrition initiatives, policies or further research that do not meet the needs of children’s food-related worlds will continue to be developed. Instead, researchers and their institutions need to advocate for and, where possible, provide voluntary opportunities for children to actively participate in food practice research.

To investigate trends in five key aspects of Australian food practice which have been implicated in diet-related health risks, specifically energy intake. They are: the replacement of home-prepared foods by commercially prepared foods; consumer reliance on ultra-processed foods; de-structured dining; increased pace of eating; and a decline in commensal eating.

Data were from repeated cross-sections from the national Household Expenditure and Time Use Surveys. Trends in food practice aspects were examined using indicators of food expenditure across different food groups and time spent eating and cooking, including where, when and with whom eating activities took place.

Australia, 1989–2010.

Nationally representative samples of Australian households.

The share of the total food budget spent on food away from home rose steadily from 22·8 % in 1989 to 26·5 % in 2010, while spending on ultra-processed foods increased. The basic patterning of meals and the pace of eating changed little, although people spent more time eating alone and at restaurants. Cooking time declined considerably, particularly for women.

These changes have occurred over the same time that obesity and diet-related, non-communicable diseases have increased rapidly in Australia. Some aspects are implicated more than others: particularly the shift from domestic cooking to use of pre-prepared and ultra-processed foods, a reduction in time spent in food preparation and cooking, as well as an upsurge in time and money devoted to eating away from home. These are all likely to operate through the higher energy content of commercially prepared, compared with unprocessed or lightly processed, foods.