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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 2.

Means (SD) or N (%) for study variables and results of pairwise comparisons between individuals

No food addiction
(n=166)
Food addiction
(n=12)
z-score P-value
Age 44.2 (11.3) 46.1 (10.6) −0.45 0.65
Weight (kg) 114.2 (21.0) 118.6 (15.1) −1.45 0.15
BMI 40.9 (5.9) 42.6 (5.8) −1.28 0.20
Female 145 (87.3) 12 (100) 0.37
Race-
  Black 118 (71.1) 8 (66.7) 0.61
  White 37 (22.3) 4 (33.3)
Comorbidities 1.9 (1.7) 1.7 (1.4) −0.34 0.73
SF-36-
  Physical component 47.2 (8.6) 38.6 (7.9) −3.26 0.001
  Mental component 51.3 (9.2) 44.7 (12.1) −2.01 0.045
  Physical function 47.4 (9.6) 37.1 (10.5) −3.08 0.002
  Role physical 49.6 (9.8) 38.2 (12.8) −3.08 0.002
  Body pain 49.6 (9.7) 41.3 (10.6) −2.44 0.02
  General health 47.9 (9.0) 44.5 (10.3) −1.24 0.22
  Vitality 48.9 (9.4) 41.9 (9.8) −2.22 0.03
  Social functioning 49.5 (10.1) 38.2 (10.2) −3.36 0.001
  Role emotional 49.3 (10.6) 43.1 (13.0) −1.85 0.06
  Mental health 52.9 (8.3) 44.8 (10.1) −2.66 0.01
IWQOL-
  Total 69.8 (17.9) 44.4 (20.4) −3.80 <0.001
  Physical functioning 66.2 (21.6) 42.4 (18.5) −3.42 0.001
  Self-esteem 58.7 (25.7) 32.1 (26.1) −3.06 0.002
  Sex 73.0 (27.5) 44.8 (43.7) −2.24 0.03
  Public distress 79.6 (24.1) 57.5 (30.5) −2.28 0.02
  Work 83.0 (20.3) 54.2 (27.7) −3.59 <0.001
PHQ-9 4.4 (4.6) 9.2 (5.2) −3.16 0.002

Note. SF-36=Medical Outcomes Study 36-Item Short-Form Health Survey; IWQOL=Impact of Weight on Quality of Life-Lite; PHQ-9=Patient Health Questionnaire.