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Purpose Individuals with obesity frequently regain weigh after endoscopic bariatric therapies (EBT) unless they adhere to healthy habits. The objective was to create and validate a short, self-administered questionnaire (EMOVE) to assess healthy dietary and physical activity (PA) habits’ adherence to be used in clinical practice. Materials and Methods In this prospective, unicentric study, 463 patients completed the short, Spanish EMOVE questionnaire, to be validated following the Medical Outcome Trust Criteria. Conceptual and measurement model, reliability (internal consistency and test–retest [subgroup of 93 patients]), construct validity, responsiveness, interpretability, and burden were evaluated. Patients enrolled from January 2017 through August 2018 and auto-filled the EMOVE at baseline and at 3, 6, and 12 months. Results Patients submitted to intragastric ballon for 6 and 12 months or POSE were 82.7% women with a mean age of 42.7 years, and a mean BMI of 37.1 kg/m 2 . Four factors were extracted with exploratory factor analysis related to intake frequency, portions and proportions, time and place of eating, and physical activity. EMOVE showed adequate internal consistency ( α  = 0.73), very good test–retest ( r  = 0.91, CI: 0.86–0.94;  p  &lt; 0.001), moderate construct validity of dietary ( r  = 0.24, CI: 0.11–0.37,  p  &lt; 0.001), and PA habits ( r  = 0.44, CI 0.30–0.58;  p  &lt; 0.001). Stable responsiveness, with correlations from 0.29 to 0.39 ( p  &lt; 0.001) between the EMOVE scores and the % of total weight loss at 3, 6, and 12 months. Participants categorized as having good or excellent habits (score ≥ 30 points) lost significantly more weight ( p  &lt; 0.05). Finally, the administration burden was 2.96 min. Conclusion The EMOVE is a  useful tool in Spanish language to easily assess the level of adherence to healthy dietary and PA habits to be used routinely in clinical practice. Graphical abstract

Development and Validation of a Short Questionnaire on Dietary and Physical Activity Habits for Patients Submitted to Bariatric Endoscopic Therapies