%0 Journal Article %1 huttunenlenz2018preview %A Huttunen-Lenz, Maija %A Hansen, Sylvia %A Christensen, Pia %A Larsen, Thomas Meinert %A Sandø-Pedersen, Finn %A Drummen, Mathijs %A Adam, Tanja C. %A Macdonald, Ian A. %A Taylor, Moira A. %A Martinez, J. Alfredo %A Navas-Carretero, Santiago %A Handjiev, Svetoslav %A Poppitt, Sally D. %A Silvestre, Marta P. %A Fogelholm, Mikael %A Pietiläinen, Kirsi H. %A Brand-Miller, Jennie %A Berendsen, Agnes A. M. %A Raben, Anne %A Schlicht, Wolfgang %D 2018 %J Psychology Research and Behavior Management %K oafonds %N 11 %P 383-394 %R doi.org/10.2147/PRBM.S160355 %T 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 %X 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/m2) individuals aged 25 to 70 years with confirmed pre-diabetes were enrolled. Uni- and multivariate statistical methods were deployed to explore differences in intentions, self-efficacy, and outcome expectancies between those who achieved the target weight loss (“achievers”) and those who did not (“non-achievers”). 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 χ2(1)=2.57; P <0.008, exercising χ2(1)=0.66; P <0.008), self-efficacy (F(2; 1970)=10.27, P <0.005), and were more positive about the expected outcomes (F(4; 1968)=11.22, P <0.005). 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.

@article{huttunenlenz2018preview, 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/m2) individuals aged 25 to 70 years with confirmed pre-diabetes were enrolled. Uni- and multivariate statistical methods were deployed to explore differences in intentions, self-efficacy, and outcome expectancies between those who achieved the target weight loss (“achievers”) and those who did not (“non-achievers”). 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 χ2(1)=2.57; P <0.008, exercising χ2(1)=0.66; P <0.008), self-efficacy (F(2; 1970)=10.27, P <0.005), and were more positive about the expected outcomes (F(4; 1968)=11.22, P <0.005). 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. }, added-at = {2019-02-07T15:39:08.000+0100}, author = {Huttunen-Lenz, Maija and Hansen, Sylvia and Christensen, Pia and Larsen, Thomas Meinert and Sandø-Pedersen, Finn and Drummen, Mathijs and Adam, Tanja C. and Macdonald, Ian A. and Taylor, Moira A. and Martinez, J. Alfredo and Navas-Carretero, Santiago and Handjiev, Svetoslav and Poppitt, Sally D. and Silvestre, Marta P. and Fogelholm, Mikael and Pietiläinen, Kirsi H. and Brand-Miller, Jennie and Berendsen, Agnes A. M. and Raben, Anne and Schlicht, Wolfgang}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/27e209e5a76d03a2142ae793c1317ccd7/ninawittmann}, doi = {doi.org/10.2147/PRBM.S160355}, interhash = {1cdf2993ced0c4c84a2f154ec18b7dd6}, intrahash = {7e209e5a76d03a2142ae793c1317ccd7}, journal = {Psychology Research and Behavior Management}, keywords = {oafonds}, number = 11, pages = {383-394}, timestamp = {2019-02-07T14:39:08.000+0100}, title = {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}, year = 2018 }