Abstract
Signal detection methods were used to identify predictors of successful weight loss in 177 mildly to moderately overweight women and men assigned to one of two weight-loss programs. Predictors included initial demographic, physiological, behavioral, and psychosocial characteristics, and program type (e.g. diet-only and diet-plus-exercise). Successful weight loss was defined as a loss of at least two units of body mass index at one year. Four subgroups were identified. Participants in the diet-plus-exercise program who were initially more satisfied with their bodies and did not have a history of repeated weight loss were most likely to succeed (63% succeeded). In contrast, participants assigned to the diet-plus-exercise program who were either extremely dissatisfied with their bodies or who had a history of repeated weight loss were at similar risk for failure as participants in the diet-only program (only 26% to 35% succeeded). The results underscore the potential utility of exploring these subgroups further to inform the development of new treatment strategies to increase the likelihood of success.
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Preparation of this manuscript was supported in part by PHS individual National Research Service Award 1 F32 HL09380 from the National Heart, Lung, and Blood Institute awarded to Dr. Kiernan; PHS institutional National Research Service Award 5 T32 HL07034 from the National Heart, Lung, and Blood Institute; PHS grant HL24462 from the National Institutes of Health; and PHS grant AG12358 from the National Institute on Aging awarded to Dr. King.
We thank Daniel P. Williams, Ph.D. for his substantive input on this manuscript.
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Kiernan, M., King, A.C., Kraemer, H.C. et al. Characteristics of successful and unsuccessful dieters: An application of signal detection methodology. ann. behav. med. 20, 1–6 (1998). https://doi.org/10.1007/BF02893802
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DOI: https://doi.org/10.1007/BF02893802