Obesity is a major health issue for New Zealanders
Obesity and related chronic diseases are some of the foremost health issues facing New Zealand people, with over two thirds of the adult population now overweight or obese.
Decades of research have shown that most diet/exercise programmes, that result in caloric deficit, should lead to weight loss regardless of the type of diet or physical activity.
How do we best support lifestyle changes?
It would appear that the main challenge is how best to support adherence to lifestyle change.
The SWIFT trial evaluated four support strategies:
- daily self-weighing
- regular brief support
- hunger training
- dietary self-monitoring with MyFitnessPal
250 overweight adults participated in this trial.
Do outcomes improve if participants choose their plan?
Participants chose which diet and exercise plan suited them best; we believed this pragmatic approach would promote better outcomes.
Options included topical and popular weight-loss strategies such as:
- intermittent fasting
- ‘paleo’-type diets
- high intensity interval training
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Jospe, M.R., Roy, M., Brown, R.C., Hazard, J.J., Meredith-Jones, K.A., Fangupo, L.J., Osborne, H.R., Fleming, E.A., Taylor, R.W. (2019) Intermittent fasting, Paleolithic, or Mediterranean diets in the real world: exploratory secondary analyses of a weight-loss trial that included choice of diet and exercise. The American Journal of Clinical Nutrition. 111(3):503-514. doi.org/10.1093/ajcn/nqz330
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Roy, M.C., Williams, S.M., Brown, R.C., Meredith-Jones, K.A., Osborne, H.R., Jospe, M.R., Taylor, R.W. (2018) High-Intensity Interval Training in the Real World: Outcomes from a 12-Month Intervention in Overweight Adults. Medicine & Science in Sports & Exercise. 50(9):1818–1826. doi: 10.1249/MSS.0000000000001642
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Jospe, M.R., Taylor, R.W., Athens, J., Roy, M., Brown, R.C. (2017) Adherence to Hunger Training over 6 Months and the Effect on Weight and Eating Behaviour: Secondary Analysis of a Randomised Controlled Trial. Nutrients. Nov 17;9(11). pii: E1260. doi: 10.3390/nu9111260
Jospe, M.R., Roy, M., Brown, R.C., Williams, S.M., Osborne, H.R., Meredith-Jones, K.A., McArthur, J.R., Fleming, E.A., Taylor, R.W. (2017) The Effect of Different Types of Monitoring Strategies on Weight Loss: A Randomized Controlled Trial. Obesity (Silver Spring). Sep;25(9):1490-1498. doi: 10.1002/oby.21898
Taylor, R.W., Roy, M., Jospe, M.R., Osborne, H.R., Meredith-Jones, K.J., Williams, S.M., Brown, R.C. (2015) Determining how best to support overweight adults to adhere to lifestyle change: protocol for the SWIFT study. BMC Public Health. Sep 4;15:861. doi: 10.1186/s12889-015-2205-4
Jospe, M.R., Brown, R.C., Roy, M., Taylor, R.W. (2015) Adherence to hunger training using blood glucose monitoring: a feasibility study. Nutr Metab (Lond). Jun 9;12:22. doi: 10.1186/s12986-015-0017-2