Table 1.
Variables | Outpatient Clinic (n=112) | No-Cost Outpatient Research (n=102) | Total Sample (n=214) | Test Statistic |
---|---|---|---|---|
Age (years) | 15.4±1.8 | 15.4±1.7 | 15.4±1.8 | F(1,214)=.000; p=.99, η2=.00 |
Gender | ||||
Male | 10 (8.9%) | 7 (6.9%) | 17 (7.9%) | χ2(1, N=214)=.312; p=.58, ϕc=.038 |
Female | 102 (91.1%) | 95 (93.1%) | 197 (92.1%) | |
Ethnicity | ||||
Caucasian | 86 (76.8%) | 77 (75.5%) | 163 (76.2%) | χ2(1, N=213)=.117; p=.73, ϕc=.102 |
Minority | 25 (22.3%) | 25 (24.2%) | 50 (23.4%) | |
BMI | 19.4±6.1 | 19.3±3.5 | 19.3±5.0 | F(1,213)=0.21; p=.89, η2=.00 |
Family Income (in US dollars) | 158,218±169,402 | 98,472±68,364 | 124,144±125,432 | F(1,128)=7.48; p=.007, η2=.056 |
Family Status | ||||
Intact | 85 (75.9%) | 72 (70.6%) | 157 (73.4%) | χ2(1, N=214)=.769; p=.38, ϕc=.060 |
Not Intact | 21 (24.1%) | 30 (29.4%) | 57 (26.6%) | |
| ||||
DSM-IV TR | ||||
Diagnosis | ||||
AN | 37 (33.0%) | 47 (46.1%) | 84 (39.3%) | χ2(2, N=214)=34.6; p<.001, ϕc=.402 |
BN | 4 (3.6%) | 26 (25.5%) | 30 (14.0%) | |
EDNOS | 71 (63.4%) | 29 (28.4%) | 100 (46.7%) | |
Sub-AN | 32 (45.1%) | |||
Sub-BN | 10 (14.1%) | |||
EDE Global Score | 2.28±1.5 | 2.85±1.6 | 2.55±1.5 | F(2, 214)=8.73; p<.001, η2=.076 |
LOC Episode | ||||
Yes | 47 (42.0%) | 71 (69.6%) | 118 (55.1%) | χ2(1, N=214)=16.5; p<.001, ϕc=.278 |
No | 65 (58.0%) | 31 (30.4%) | 96 (44.9%) | |
Purging | ||||
Yes | 32 (28.6%) | 61 (59.8%) | 93 (43.5%) | χ2(1, N=214)=21.2; p<.001, ϕc=.315 |
No | 80 (71.4%) | 41 (40.2%) | 121 (56.5%) | |
BDI Total Score | 14.25±10.54 | 20.65±12.83 | 17.40±12.13 | F(2, 203)=12.16; p<.001, η2=.108 |
Comorbid | ||||
Diagnosis | ||||
Yes | 59 (56.7%) | 39 (38.2%) | 98 (47.6%) | χ2(1, N=206)=7.06; p=.008, ϕc=.185 |
No | 45 (43.3%) | 63 (61.8%) | 108 (52.4%) |
Note: BMI=Body Mass Index; US=United States; DSM-IV TR=Diagnostic and Statistical Manual of Mental Disorder Fourth Edition, Text Revision; AN=Anorexia Nervosa; BN=Bulimia Nervosa; EDNOS=Eating Disorder Not Otherwise Specified; EDE=Eating Disorder Examination; LOC=Loss of Control eating in three months prior to baseline; BDI=Beck Depression Inventory.