Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls: A randomized controlled trial

Marian Tanofsky-Kraff; Lauren B. Shomaker; Denise E. Wilfley; Jami F. Young; Tracy Sbrocco; Mark Stephens; Lisa M. Ranzenhofer; Camden Elliott; Sheila Brady; Rachel M. Radin; Anna Vannucci; Edny J. Bryant; Robyn Osborn; Sarah S. Berger; Cara Olsen; Merel Kozlosky; James C. Reynolds; Jack C. Yanovski

doi:10.3945/ajcn.114.092536

Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls: A randomized controlled trial

Marian Tanofsky-Kraff^*, Lauren B. Shomaker, Denise E. Wilfley, Jami F. Young, Tracy Sbrocco, Mark Stephens, Lisa M. Ranzenhofer, Camden Elliott, Sheila Brady, Rachel M. Radin, Anna Vannucci, Edny J. Bryant, Robyn Osborn, Sarah S. Berger, Cara Olsen, Merel Kozlosky, James C. Reynolds, Jack C. Yanovski

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

91 Scopus citations

Abstract

Conclusions: The intervention with adolescent girls with loss-ofcontrol eating is associated with lower age-adjusted BMI and percentage of adiposity as well as improved mood symptoms over 1 y. Interpersonal psychotherapy further reduced objective binge eating. Additional research is needed to elucidate the mechanisms by which physical and psychological improvements were observed.

Results: Participation in both conditions was associated with decreases in expected BMI gain, age-adjusted BMI metrics, the percentage of fat by using dual-energy X-ray absorptiometry, symptoms of depression and anxiety, and the frequency of lossof- control eating over 12 mo of follow-up (Ps < 0.001) with no group difference. In follow-up analyses, interpersonal psychotherapy was more efficacious than health education at reducing objective binge eating at the 12-mo follow-up (P < 0.05).

Design: A parallel-group, randomized controlled trial was conducted between September 2008 and January 2013 in a university-based laboratory and a federal research hospital. The study included 113 adolescent (12-17-y-old) girls deemed at high risk of adult obesity and eating disorders because of a body mass index (BMI) between the 75th and 97th percentiles and reports of episodes of a loss of control over their eating. Girls were randomly assigned to participate in an adapted interpersonal psychotherapy or a health-education group program for 12 weekly 90-min group sessions. Follow-up assessments occurred immediately after group programs and at 6 and 12 mo.

Background: The high prevalence and incidence of obesity and eating disorders in US adolescent girls are serious health problems. Because of the shared risk factors for obesity and eating disorders, a targeted prevention of both conditions is a priority.

Objective: We determined whether an adapted interpersonal psychotherapy prevention program is more efficacious for reducing excess weight gain and worsening disordered eating than health education in adolescent girls at high risk of obesity and eating disorders.

Original language	English
Pages (from-to)	1010-1018
Number of pages	9
Journal	American Journal of Clinical Nutrition
Volume	100
Issue number	4
DOIs	https://doi.org/10.3945/ajcn.114.092536
State	Published - 1 Oct 2014
Externally published	Yes

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Tanofsky-Kraff, M., Shomaker, L. B., Wilfley, D. E., Young, J. F., Sbrocco, T., Stephens, M., Ranzenhofer, L. M., Elliott, C., Brady, S., Radin, R. M., Vannucci, A., Bryant, E. J., Osborn, R., Berger, S. S., Olsen, C., Kozlosky, M., Reynolds, J. C., & Yanovski, J. C. (2014). Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls: A randomized controlled trial. American Journal of Clinical Nutrition, 100(4), 1010-1018. https://doi.org/10.3945/ajcn.114.092536

@article{502ddc7ec6924de88ebf1b0a37c98a83,

title = "Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls: A randomized controlled trial",

abstract = "Conclusions: The intervention with adolescent girls with loss-ofcontrol eating is associated with lower age-adjusted BMI and percentage of adiposity as well as improved mood symptoms over 1 y. Interpersonal psychotherapy further reduced objective binge eating. Additional research is needed to elucidate the mechanisms by which physical and psychological improvements were observed.Results: Participation in both conditions was associated with decreases in expected BMI gain, age-adjusted BMI metrics, the percentage of fat by using dual-energy X-ray absorptiometry, symptoms of depression and anxiety, and the frequency of lossof- control eating over 12 mo of follow-up (Ps < 0.001) with no group difference. In follow-up analyses, interpersonal psychotherapy was more efficacious than health education at reducing objective binge eating at the 12-mo follow-up (P < 0.05).Design: A parallel-group, randomized controlled trial was conducted between September 2008 and January 2013 in a university-based laboratory and a federal research hospital. The study included 113 adolescent (12-17-y-old) girls deemed at high risk of adult obesity and eating disorders because of a body mass index (BMI) between the 75th and 97th percentiles and reports of episodes of a loss of control over their eating. Girls were randomly assigned to participate in an adapted interpersonal psychotherapy or a health-education group program for 12 weekly 90-min group sessions. Follow-up assessments occurred immediately after group programs and at 6 and 12 mo.Background: The high prevalence and incidence of obesity and eating disorders in US adolescent girls are serious health problems. Because of the shared risk factors for obesity and eating disorders, a targeted prevention of both conditions is a priority.Objective: We determined whether an adapted interpersonal psychotherapy prevention program is more efficacious for reducing excess weight gain and worsening disordered eating than health education in adolescent girls at high risk of obesity and eating disorders.",

author = "Marian Tanofsky-Kraff and Shomaker, {Lauren B.} and Wilfley, {Denise E.} and Young, {Jami F.} and Tracy Sbrocco and Mark Stephens and Ranzenhofer, {Lisa M.} and Camden Elliott and Sheila Brady and Radin, {Rachel M.} and Anna Vannucci and Bryant, {Edny J.} and Robyn Osborn and Berger, {Sarah S.} and Cara Olsen and Merel Kozlosky and Reynolds, {James C.} and Yanovski, {Jack C.}",

note = "Publisher Copyright: {\textcopyright} 2014 American Society for Nutrition.",

year = "2014",

month = oct,

day = "1",

doi = "10.3945/ajcn.114.092536",

language = "English",

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Tanofsky-Kraff, M, Shomaker, LB, Wilfley, DE, Young, JF, Sbrocco, T, Stephens, M, Ranzenhofer, LM, Elliott, C, Brady, S, Radin, RM, Vannucci, A, Bryant, EJ, Osborn, R, Berger, SS, Olsen, C, Kozlosky, M, Reynolds, JC & Yanovski, JC 2014, 'Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls: A randomized controlled trial', American Journal of Clinical Nutrition, vol. 100, no. 4, pp. 1010-1018. https://doi.org/10.3945/ajcn.114.092536

TY - JOUR

T1 - Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls

T2 - A randomized controlled trial

AU - Tanofsky-Kraff, Marian

AU - Shomaker, Lauren B.

AU - Wilfley, Denise E.

AU - Young, Jami F.

AU - Sbrocco, Tracy

AU - Stephens, Mark

AU - Ranzenhofer, Lisa M.

AU - Elliott, Camden

AU - Brady, Sheila

AU - Radin, Rachel M.

AU - Vannucci, Anna

AU - Bryant, Edny J.

AU - Osborn, Robyn

AU - Berger, Sarah S.

AU - Olsen, Cara

AU - Kozlosky, Merel

AU - Reynolds, James C.

AU - Yanovski, Jack C.

PY - 2014/10/1

Y1 - 2014/10/1

N2 - Conclusions: The intervention with adolescent girls with loss-ofcontrol eating is associated with lower age-adjusted BMI and percentage of adiposity as well as improved mood symptoms over 1 y. Interpersonal psychotherapy further reduced objective binge eating. Additional research is needed to elucidate the mechanisms by which physical and psychological improvements were observed.Results: Participation in both conditions was associated with decreases in expected BMI gain, age-adjusted BMI metrics, the percentage of fat by using dual-energy X-ray absorptiometry, symptoms of depression and anxiety, and the frequency of lossof- control eating over 12 mo of follow-up (Ps < 0.001) with no group difference. In follow-up analyses, interpersonal psychotherapy was more efficacious than health education at reducing objective binge eating at the 12-mo follow-up (P < 0.05).Design: A parallel-group, randomized controlled trial was conducted between September 2008 and January 2013 in a university-based laboratory and a federal research hospital. The study included 113 adolescent (12-17-y-old) girls deemed at high risk of adult obesity and eating disorders because of a body mass index (BMI) between the 75th and 97th percentiles and reports of episodes of a loss of control over their eating. Girls were randomly assigned to participate in an adapted interpersonal psychotherapy or a health-education group program for 12 weekly 90-min group sessions. Follow-up assessments occurred immediately after group programs and at 6 and 12 mo.Background: The high prevalence and incidence of obesity and eating disorders in US adolescent girls are serious health problems. Because of the shared risk factors for obesity and eating disorders, a targeted prevention of both conditions is a priority.Objective: We determined whether an adapted interpersonal psychotherapy prevention program is more efficacious for reducing excess weight gain and worsening disordered eating than health education in adolescent girls at high risk of obesity and eating disorders.

AB - Conclusions: The intervention with adolescent girls with loss-ofcontrol eating is associated with lower age-adjusted BMI and percentage of adiposity as well as improved mood symptoms over 1 y. Interpersonal psychotherapy further reduced objective binge eating. Additional research is needed to elucidate the mechanisms by which physical and psychological improvements were observed.Results: Participation in both conditions was associated with decreases in expected BMI gain, age-adjusted BMI metrics, the percentage of fat by using dual-energy X-ray absorptiometry, symptoms of depression and anxiety, and the frequency of lossof- control eating over 12 mo of follow-up (Ps < 0.001) with no group difference. In follow-up analyses, interpersonal psychotherapy was more efficacious than health education at reducing objective binge eating at the 12-mo follow-up (P < 0.05).Design: A parallel-group, randomized controlled trial was conducted between September 2008 and January 2013 in a university-based laboratory and a federal research hospital. The study included 113 adolescent (12-17-y-old) girls deemed at high risk of adult obesity and eating disorders because of a body mass index (BMI) between the 75th and 97th percentiles and reports of episodes of a loss of control over their eating. Girls were randomly assigned to participate in an adapted interpersonal psychotherapy or a health-education group program for 12 weekly 90-min group sessions. Follow-up assessments occurred immediately after group programs and at 6 and 12 mo.Background: The high prevalence and incidence of obesity and eating disorders in US adolescent girls are serious health problems. Because of the shared risk factors for obesity and eating disorders, a targeted prevention of both conditions is a priority.Objective: We determined whether an adapted interpersonal psychotherapy prevention program is more efficacious for reducing excess weight gain and worsening disordered eating than health education in adolescent girls at high risk of obesity and eating disorders.

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DO - 10.3945/ajcn.114.092536

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Targeted prevention of excess weight gain and eating disorders in high-risk adolescent girls: A randomized controlled trial

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