Chapter 6 158 Table 2 | Study procedure Tailored exercises Matching the DERS sub-scales awareness, impulse, and strategies, three different exercises were selected: body scan, opposite action, and positive reframing. They were presented to the individual participants via Qualtrics, an online survey tool [55]. Participants conducted one of three exercise which was tailored to their emotion regulation difficulty. Written instructions were attached to the exercises (Appendix A, B, and C). Body scan The body scan exercise was aimed at encouraging individuals with emotional eating to become aware of and pay attention to inner body sensations that may have emerged from Study period Inclusion Screening Post-allocation Timepoint T0 T1 (1wk) T2 (2wk) Enrolment Study invitation to participant X Online informed consent X Check inclusion criteria X Assessments Demographic questionsa X BMI, kg/m2 X Questionnaires DEBQ-E X I-PANAS-SF X X X DERS-SF X X X Open questions X Allocationb X Tailored exercises Body scan (group A)c Opposite action (group B)d Positive reframing (group C)e BMI, body mass index; DEBQ-E, Dutch Eating Behaviour Questionnaire; I-PANAS-SF, International Positive and Negative Affect Schedule Short Form; DERS-SF, Difficulties in Emotion Regulation Scale Short Form. a Questions about gender, marital status, living situation, highest level of education, employment status, age, length (in m), weight (in kg) and number of consultations with dietitians. b Based on the DERS-SF awareness, impulse, and strategies subscale scores. c Assigned if awareness subscale score ≥ 9. d Assigned if awareness subscale score < 9 AND impulse subscale score ≥ 9. e Assigned if awareness AND impulse subscale score < 9 AND strategies subscale score ≥ 9, OR if awareness, impulse, AND strategies subscale scores < 9
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