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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Compr Psychiatry. 2016 Nov 23;73:97–104. doi: 10.1016/j.comppsych.2016.11.009

Table 5.

Coefficient of determination (R2) from hierarchical regression models predicting weight-related quality of life (IWQOL-Lite) and depressive symptoms (PHQ-9) from demographic and physical factors, binge eating disorder (BED), and food addiction

Model 1 Model 2 Model 3a Model 3b
Total 0.174** 0.241* 0.300** 0.440**
Physical 0.237** 0.279* 0.311* 0.370**
function
Self-esteem 0.064 0.097 0.138* 0.312**
Sexual life 0.076* 0.102 0.138* 0.242**
Public distress 0.287** 0.347* 0.365* 0.397**
Work 0.071 0.125* 0.191** 0.262**
Depressive
symptoms		 0.039 0.084* 0.115* 0.275**

Note. Model 1 included age, race, sex, BMI, and comorbidities. Model 2 included Model 1 variables and subclinical/clinical diagnosis of BED. Model 3a included Model 2 variables and meeting criteria for food addiction or not. Model 3b included Model 2 variables and the number of endorsed food addiction symptoms.

Asterisks indicate p-values for R2 change value with p<0.05; p<0.001.