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12 April 2023 News Release

New research from CSIRO, Australia’s national science agency, has revealed that regular self-monitoring behaviours and tracking tools are the secret to losing weight – and keeping it off.

The study initially mapped the total weight loss of 6602 CSIRO Total Wellbeing Diet members that had completed the 12-week program. It found 64 per cent lost a clinically significant amount (>5 per cent) of weight at one year, with a sustained average weight loss of 10.6kg, or 11.9 per cent of their starting body weight.

The most successful of this group lost an average of 22.3kg, equivalent to 21.7 per cent of their starting body weight.

To better understand the behaviours resulting in this success, CSIRO scientists conducted a further study* to compare the usage patterns of various CSIRO Total Wellbeing Diet platform features. This second stage analysis revealed the perceived importance of tracking, self-monitoring and ongoing education to individuals.

Study participants who achieved weight loss exceeding 10 per cent of their starting body weight used all of the CSIRO Total Wellbeing Diet’s tools – weigh ins, food diary, menu plan, exercise plan, program content, forum and food search – 50 per cent more than those who lost less than five per cent over the same time period.

CSIRO research scientist Dr Gilly Hendrie said using tools and support frameworks to educate around diet and nutrition was critical for ongoing societal health and lifestyle improvements, especially given that 67 per cent of Australians are currently overweight or obese.

“There are no quick fixes when it comes to sustainable weight loss and a healthy lifestyle, and this study helps us to show that weight loss comes from a range of regular actions and positive behaviours,” Dr Hendrie said.

“It’s repeatedly using Total Wellbeing Diet tools, while developing positive habits, that help people to come back to, and maintain, a healthy lifestyle.

“We’re really happy to have more research that reinforces the critical role that lifestyle and behaviour change plays in long term weight loss and management,” she said.

Other key findings of the study included: 

  • It was most common (14.6 per cent of study participants) for people to lose weight during the first six months of a weight loss journey and then enter a maintenance phase for the remainder of the year
  • In spite of the maintenance phase, 54 per cent of 738 participants surveyed who had lost 14kg or more had been able to continue weight loss after a plateau
  • Most people reported that they were still monitoring their weight on a weekly basis (44 per cent), or at least weekly (daily + weekly, 64 per cent)
  • Members who lost more than 10 per cent of their body weight tended to view menu plans 70 per cent more
  • After the first 12 weeks, usage of the food diary was two-and-a-half to three times higher over the remainder of the year in members who lost 10 per cent or more of their starting body weight.

CSIRO Total Wellbeing Diet member, Terry from Queensland, reinforced the importance of having ongoing access to the food and exercise tracker, menu plans and Facebook support group, crediting them to helping him maintain his 100kg weight loss for two years and nine months.

“The tools have created habits that are within me and now just part of my lifestyle,” Terry said.

“Every weekend, I'm using the food tracker to create my own meal plan before spending time in the kitchen to pre-prepare the meals for the busy work week ahead. With a little bit of preparation and accountability, eating well is really easy. There's less room to move off track as you know you already have a nutritious meal ready for you. There's less decision fatigue.

"It's also important to acknowledge that even though this is ideal, some weeks this doesn't happen. Last year, I let things slide a bit over the Christmas break. Rather than beat myself up, I just decided to simply refocus and reset by going back to basics - logging my weight and tracking my food intake. I was also kind to myself, something I picked up from others in the CSIRO Total Wellbeing Diet Facebook group.

“These days, I remind myself of how far I've come, reframing a setback as just part of the process, and an opportunity to reassess, refine and move forward." he said.

Find out more about the CSIRO Total Wellbeing Diet.

* Online survey of 738 participants


Regular self-monitoring and tracking tools are the secret to losing weight and keeping it off, according to new CSIRO research
Total Wellbeing Diet FoodTracker mobile app
CSIRO study uncovers the secret to long-term weight loss success

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