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Huttunen-Lenz M, Hansen S, Christensen P, et al. PREVIEW study-influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention. Psychol Res Behav Manag. 2018;11:383-394doi: 10.2147/PRBM.S160355.
Huttunen-Lenz, M., Hansen, S., Christensen, P., Meinert Larsen, T., Sandø-Pedersen, F., Drummen, M., Adam, T. C., Macdonald, I. A., Taylor, M. A., Martinez, J. A., Navas-Carretero, S., Handjiev, S., Poppitt, S. D., Silvestre, M. P., Fogelholm, M., Pietiläinen, K. H., Brand-Miller, J., Berendsen, A. A., Raben, A., & Schlicht, W. (2018). PREVIEW study-influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention. Psychology research and behavior management, 11383-394. https://doi.org/10.2147/PRBM.S160355
Huttunen-Lenz, Maija, et al. "PREVIEW study-influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention." Psychology research and behavior management vol. 11 (2018): 383-394. doi: https://doi.org/10.2147/PRBM.S160355
Huttunen-Lenz M, Hansen S, Christensen P, Meinert Larsen T, Sandø-Pedersen F, Drummen M, Adam TC, Macdonald IA, Taylor MA, Martinez JA, Navas-Carretero S, Handjiev S, Poppitt SD, Silvestre MP, Fogelholm M, Pietiläinen KH, Brand-Miller J, Berendsen AA, Raben A, Schlicht W. PREVIEW study-influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention. Psychol Res Behav Manag. 2018 Sep 12;11:383-394. doi: 10.2147/PRBM.S160355. eCollection 2018. PMID: 30254498; PMCID: PMC6143124.
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Psychol Res Behav Manag. 2018 Sep 12;11:383-394. doi: 10.2147/PRBM.S160355. eCollection 2018.

PREVIEW study-influence of a behavior modification intervention (PREMIT) in over 2300 people with pre-diabetes: intention, self-efficacy and outcome expectancies during the early phase of a lifestyle intervention.

Psychology research and behavior management

Maija Huttunen-Lenz, Sylvia Hansen, Pia Christensen, Thomas Meinert Larsen, Finn Sandø-Pedersen, Mathijs Drummen, Tanja C Adam, Ian A Macdonald, Moira A Taylor, J Alfredo Martinez, Santiago Navas-Carretero, Svetoslav Handjiev, Sally D Poppitt, Marta P Silvestre, Mikael Fogelholm, Kirsi H Pietiläinen, Jennie Brand-Miller, Agnes Am Berendsen, Anne Raben, Wolfgang Schlicht

Affiliations

  1. Department of Exercise and Health Sciences, University of Stuttgart, Stuttgart, Germany, [email protected].
  2. Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Copenhagen, Denmark.
  3. Department of Nutrition and Movement Sciences, Maastricht University, Maastricht, the Netherlands.
  4. MRC/ARUK Centre for Musculoskeletal Ageing Research, National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, School of Life Sciences, University of Nottingham, Nottingham, UK.
  5. School of Life Sciences, University of Nottingham Medical School, Nottingham, UK.
  6. Center for Nutrition Research at the University of Navarra, Pamplona, Spain.
  7. Madrid Institute of Advanced Studies (IMDEA Food), Madrid, Spain.
  8. Biomedical Research Centre Network in Physiopathology of Obesity and Nutrition (CIBERobn), Carlos III Institute, Madrid, Spain.
  9. Department of Pharmacology and Toxicology, Medical University - Sofia, Sofia, Bulgaria.
  10. Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland, New Zealand.
  11. Department of Food and Nutrition, University of Helsinki, Helsinki, Finland.
  12. Obesity Research Unit, Research Program Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.
  13. Abdominal Center, Endocrinology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland.
  14. Charles Perkins Centre and School of Life and Environmental Biosciences, University of Sydney, Camperdown, NSW, Australia.
  15. Division of Human Nutrition & Health, Wageningen University & Research, Wageningen, the Netherlands.

PMID: 30254498 PMCID: PMC6143124 DOI: 10.2147/PRBM.S160355

Abstract

PURPOSE: Onset of type 2 diabetes (T2D) is often gradual and preceded by impaired glucose homeostasis. Lifestyle interventions including weight loss and physical activity may reduce the risk of developing T2D, but adherence to a lifestyle change is challenging. As part of an international T2D prevention trial (PREVIEW), a behavior change intervention supported participants in achieving a healthier diet and physically active lifestyle. Here, our aim was to explore the influence of this behavioral program (PREMIT) on social-cognitive variables during an 8-week weight loss phase.

METHODS: PREVIEW consisted of an initial weight loss, Phase I, followed by a weight- maintenance, Phase II, for those achieving the 8-week weight loss target of ≥ 8% from initial bodyweight. Overweight and obese (BMI ≥25 kg/m

RESULTS: At the beginning of Phase I, no significant differences in intentions, self-efficacy and outcome expectancies between "achievers" (1,857) and "non-achievers" (163) were found. "Non-achievers" tended to be younger, live with child/ren, and attended the PREMIT sessions less frequently. At the end of Phase I, "achievers" reported higher intentions (healthy eating χ

CONCLUSION: Although statistically significant, effect sizes observed between the two groups were small. Behavior change, however, is multi-determined. Over a period of time, even small differences may make a cumulative effect. Being successful in behavior change requires that the "new" behavior is implemented time after time until it becomes a habit. Therefore, having even slightly higher self-efficacy, positive outcome expectancies and intentions may over time result in considerably improved chances to achieve long-term lifestyle changes.

Keywords: cognition; diabetes mellitus; goals; habits; weight loss

Conflict of interest statement

Disclosure The authors report no conflicts of interest in this work.

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