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Table 4 Results of multiple linear regression on primary outcome (weight change (BMI) from T1 (baseline) to T3 (follow-up)) in the RP group (replication of ITT analysis[33] for the completer sample1) Adjusted R2 = 0.15; N = 88

From: Internet-based relapse prevention for anorexia nervosa: nine- month follow-up

Predictor Regression coefficient Stand. beta p
SIAB-EX subscale compensatory behavior T1 - 5.23 - 0.14 .194
BIS-11 motor impulsiveness T1 1.65 0.31 .006
Adherence to RP 1.32 0.28 .010
EDI Ineffectiveness T1 0.15 0.31 .006
Additional inpatient therapy during RP (weeks) - 0.03 - 0.02 .865
Age at onset of eating disorder - 0.04 - 0.10 .366
  1. 1 Excluding participants who were pregnant at the time of assessment.
  2. SIAB-EX = Structured Inventory for Anorexic and Bulimic Eating Disorders, Expert Version.
  3. Subscale compensatory behavior is an abbreviation for ‘inappropriate compensatory behaviors to counteract weight gain, fasting and substance abuse’.
  4. BIS-11 = Barratt Impulsiveness Scale.
  5. EDI = Eating Disorder Inventory 2.