ORCID

https://orcid.org/0000-0001-9163-7055

Date of Award

Spring 5-2020

Author's School

Graduate School of Arts and Sciences

Author's Department

Psychology

Additional Affiliations

CLINICAL SCIENCE

Degree Name

Master of Arts (AM/MA)

Degree Type

Thesis

Abstract

Few studies have examined the compounded impact of general psychopathology and eating disorder (ED) psychopathology on weight change in youth with overweight/obesity (OW/OB). We characterized patterns of general psychopathology and ED psychopathology in children with OW/OB and examined the impact on weight change following family-based behavioral obesity treatment (FBT). Children (n=172) with OW/OB participated in 4 months of FBT. General psychopathology (i.e., anxiety, depression), ED psychopathology (i.e., shape concern, weight concern, loss of control (LOC) eating), and child percent overweight (%OW) were assessed at baseline. Latent profile analysis identified patterns of general and ED psychopathology at baseline. Multiple linear regression examined whether profiles were associated with %OW at 4 months adjusting for child sex, age, race, ethnicity, household socioeconomic status, and baseline %OW. Results indicated a three-profile structure: low psychopathology (LOW); high psychopathology without LOC (HIGH); and high psychopathology plus LOC (HIGH+LOC). There were no significant differences between LOW vs. HIGH (LSM = 0.45, SE = 1.60, p = .96, 95% CI = -3.13, 4.23), LOW vs. HIGH+LOC (LSM = -0.31, SE = 1.74, p = .98, 95% CI = -4.43, 3.82), or HIGH vs. HIGH+LOC (LSM = -0.76, SE = 1.46, p = .86, 95% CI: -4.21, 2.70) in degree of weight change following FBT. Regardless of profiles, children achieved clinically significant weight loss. Prospective data are needed to examine the durability of treatment effects among these youth with concurrent psychopathology.

Language

English (en)

Chair and Committee

Denise Wilfley, Ph.D.

Committee Members

Thomas Rodebaugh, Ph.D., Michael Strube, Ph.D.

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