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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Appetite. 2017 Mar 29;114:275–281. doi: 10.1016/j.appet.2017.03.042

Table 2. Eating-related and general psychopathology between those who endorsed versus denied secretive eating.

Full Sample (n = 577) Endorsed Secretive Eating (n = 111) Mean (SD) / n (%) Denied Secretive Eating (n = 466) Mean (SD) / n (%) Test statistic and p-value
Eating-Related Psychopathology
 Restraint 1.11 (1.13) 1.50 (1.33) 1.03 (1.07) β = 0.12; t = 2.92; p = .004
 Eating Concern 0.53 (0.89) 1.26 (1.26) 0.38 (0.69) β = 0.36; t = 9.31; p < .001
 Shape Concern 1.56 (1.26) 2.26 (1.48) 1.42 (1.16) β = 0.24; t = 5.78; p < .001
 Weight Concern 1.83 (1.19) 2.35 (1.31) 1.73 (1.14) β = 0.19; t = 4.61; p < .001
 LOC Episodes* 177 (30.7%) 71 (64.0%) 106 (22.7%) Exp(B) = 3.36; 95% CI = 2.08-5.43; p < .001
 Purging Episodes* 16 (2.8%) 11 (9.9%) 5 (1.1%) Exp(B) = 8.74; 95% CI = 2.26-33.85; p = .002
 Exercise Episodes* 25 (4.3%) 8 (7.2%) 17 (3.6%) Exp(B) = 1.43; 95% CI = 0.46-4.42; p = .54
General Psychopathology
 Behavioral Problems 54.41 (10.20) 54.62 (10.60) 54.38 (10.15) β = 0.003; t = 0.60; p = .95
 Depressive Symptomatology 10.92 (8.59) 12.06 (7.17) 10.57 (8.96) β = 0.10; t = 1.61; p = .11

Subscale score calculated with the “Eating in Secret” variable removed

*

Endorsement of at least one episode in the past 28 days

Note:= Loss of control eating (objective binge eating + subjective binge eating); Purging = vomiting, laxative misuse, anddiuretic misuse; Linear regression and logistic regression analyses were conducted controlling for study site and age.