Patients with chronic obstructive pulmonary disease (COPD) need to maintain proper eating behaviorin order to maintain muscle mass and prevent weight loss. In this study, we measured the effects of asupport program on patient attitude, social influences, and self-efficacy and aimed to positively changetheir dietary behavior. We recruited male patients from two Japanese outpatient clinics and assigned eachto an intervention or a control group. The intervention group participated in a support program and wasassisted in acquiring knowledge and skills related to adopting and maintaining suitable eating behavior.Data were gathered through medical records, patient interviews, self-assessment questionnaires, andanthropometric measurements. The follow-up period was approximately 15 weeks. The final samplecomprised 22 participants, with 11 each in the intervention and control groups. In the intervention group,the body weight was maintained. However, there were statistically significant improvements in energyintake and dietary measures such as eating fresh foods, compared with the control group. Theintervention was observed to increase both meal suitability and energy intake among participants. Futuresupport programs should also incorporate participants’ physical activity levels, and the effects should bestudied over a longer period.
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