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Therapeutic Alliance in Web-Based Treatment for Eating Disorders: Secondary Analysis of a Randomized Controlled Trial

Therapeutic Alliance in Web-Based Treatment for Eating Disorders: Secondary Analysis of a Randomized Controlled Trial

Cohen d=(µ1−µ2)/σ1,2 was calculated to determine the effect sizes for significant findings. Cohen defines d scores of 0.2, 0.5, and 0.8 as small, medium, and large effects, respectively [61]. An intraclass correlation coefficient (ICC) analysis was conducted to determine cross-informant agreement between patients (separately for completers and noncompleters) and therapists in TA ratings, both at interim and post treatment.

Claudia Stoeten, Hein Arnoud de Haan, Marloes Gerda Postel, Marjolein Brusse-Keizer, Elke Daniëlle ter Huurne

JMIR Form Res 2022;6(6):e33813

Web-Based Cognitive Behavioral Therapy for Female Patients With Eating Disorders: Randomized Controlled Trial

Web-Based Cognitive Behavioral Therapy for Female Patients With Eating Disorders: Randomized Controlled Trial

A before-after study into this intervention showed a reduction in eating disorder psychopathology (d=1.14) and body dissatisfaction (d=0.86), as well as high patient satisfaction [18]. However, this study had a nonrandomized design and included only those participants who completed the intervention (54% of participants).

Elke D Ter ter Huurne, Hein A de Haan, Marloes G Postel, Job van der Palen, Joanne EL VanDerNagel, Cornelis AJ DeJong

J Med Internet Res 2015;17(6):e152

Attrition in Web-Based Treatment for Problem Drinkers

Attrition in Web-Based Treatment for Problem Drinkers

Characteristics of participants in the randomized controlled trial (RCT) and open-access group a Diagnostic and Statistical Manual of Mental Disorders, 4th revision. b Drinking >21 (men) or >14 (women) mean units per week. c 28-item General Health Questionnaire. d Not applicable. e Maudsley Addiction Profile-Health Symptom Scale. f 21-item Depression Anxiety Stress Scale. g Readiness to Change Questionnaire. h TCU Motivation for Treatment scale.

Marloes G Postel, Hein A de Haan, Elke D ter Huurne, Job van der Palen, Eni S Becker, Cor AJ de Jong

J Med Internet Res 2011;13(4):e117

Effectiveness of a Web-based Intervention for Problem Drinkers and Reasons for Dropout: Randomized Controlled Trial

Effectiveness of a Web-based Intervention for Problem Drinkers and Reasons for Dropout: Randomized Controlled Trial

Between-group effect sizes were calculated based on the pooled standard deviation, Cohen d. Effect sizes of .80 were considered to be large [38]. Reasons for dropout were independently assessed by the first and third author. If the 2 authors did not agree, the topic was discussed to reach agreement. If necessary, the second author was consulted to arbitrate. Table 1 presents baseline characteristics of the 156 participants who were included in the trial.

Marloes G Postel, Hein A de Haan, Elke D ter Huurne, Eni S Becker, Cor AJ de Jong

J Med Internet Res 2010;12(4):e68