Table 5.
All predictors of remission at follow-up in the whole sample and significant values
| Covariates | Logistic regression multivariate model | |||
|---|---|---|---|---|
| OR | 95% CI | z-value | p-value | |
| Age (years) at admission | 0.92 | 0.76; 1.11 | −0.92 | 0.36 |
| Duration of illness (years) | 1.04 | 0.85; 1.29 | 0.38 | 0.70 |
| Follow-up period (months) | 1.02 | 0.99; 1.04 | 1.20 | 0.23 |
| Inpatient stay (days) | NAª | – | – | – |
| BMI (A) | 1.16 | 0.99; 1.35 | 1.85 | 0.07 |
| Diff BMI (A–D) | 1.40 | 1.03; 1.89 | 2.31 | < 0.05 |
| EDI-2 symptom scale (A) | 0.94 | 0.89; 0.99 | −2.26 | < 0.05 |
| Diff EDI-2-symptom scale (A–D) | 0.93 | 0.89; 0.99 | −2.61 | < 0.01 |
| EDI-2 psychological scale (A) | NAª | – | – | – |
| Diff EDI-2 psychological scale (A–D) | 1.01 | 0.99; 1.04 | 0.96 | 0.38 |
| BDI-II sum score (A) | 1.02 | 0.92; 1.12 | 0.32 | 0.75 |
| Diff BDI-II (A–D) | 1.04 | 0.96; 1.12 | 0.90 | 0.37 |
| SCL-90-R mean score (A) | 0.63 | 0.11; 3.63 | −0.52 | 0.60 |
| Diff SCL-90-R (A–D) | 0.24 | 0.05; 1.24 | −1.70 | 0.09 |
| CIP mean score (A) | 0.84 | 0.23; 3.03 | −0.27 | 0.79 |
| Diff CIP (A–D) | NAb | – | – | – |
Note: Duration of illness was self-reported
Abbreviations: OR odds ratio, AN anorexia nervosa, Diff difference, BMI body mass index, EDE-Q Eating Disorder Examination Questionnaire, EDI Eating Disorder Inventory, BDI Beck Depression Inventory, SCL Symptom Checklist, CIP Circumplex Interpersonal Problems, CI confidence interval, NA not available, A admission, D discharge
ªThe odds ratio = 1 in the initial multivariate model; removed from the final model
bRemoved from the final multivariate model due to strong correlation with CIP scores at admission that created issues of collinearity in the multivariate model