BackgroundThis study aimed to assess adherence to oral nutrition supplements (ONS) among hospital outpatients and to assess patient characteristics, experiences of ONS, and the characteristics of ONS prescriptions in clinical practice.MethodsHospital outpatients aged ≥18 years and prescribed ONS by a dietitian at a Swedish hospital were referred to the study from September 2016 to February 2017. Data were collected from structured telephone interviews, medical records, and a register of ONS delivered. Adherence to ONS was measured by dividing self‐reported intake of ONS (frequency question and 24‐hour recall question) by the amount prescribed and using the medication possession ratio (MPR).ResultsOf the 96 patients included (mean age 67 ± 13 years), 52% were male. The 2 most frequent medical diagnoses were malignancy and digestive system disease. Mean adherence to ONS was 93% measured by the frequency question, 87% measured by the 24‐hour recall question, and 76% according to MPR. The majority of the patients (83%) were prescribed 1–3 bottles of ONS/day. The average number of flavors of ONS delivered was 4.2. Before prescription, 69% of the patients had been allowed to taste the ONS and 92% had chosen the flavors to be prescribed. Over 75% liked the taste of the ONS and considered them to be good for their health.ConclusionsAdherence to ONS was high in this population, which might be explained by the individual tailoring of ONS prescriptions by a dietitian, positive experiences of ONS, and the relatively young mean age of the participants.

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Background Oral nutritional supplements (ONS) are commonly prescribed to patients with malnutrition. Dietitians have been suggested as preferred prescribers but generally lack ONS prescribing rights. How dietitians with prescribing rights experience their professional practice of prescribing ONS remains understudied. Thus, by exploring dietitians’ experiences of prescribing ONS, the present study aimed to obtain a deeper understanding of specific aspects that are of importance for dietitians when providing a nutrition therapy including ONS. Methods Qualitative individual interviews were conducted with 13 dietitians prescribing ONS to free‐living adult outpatients with malnutrition or at nutritional risk in the hospital or primary care setting. Systematic text condensation was used for data analysis. Results Two main categories signifying important aspects were identified and labelled: ‘Shared tailoring of the ONS prescription’ and ‘Supporting and facilitating ONS use’. First, the dietitians described tailoring the ONS prescription together with the patient, having their acceptance as a prerequisite, and being flexible regarding products and amounts prescribed. Second, they described performing different communication strategies and organising of practical issues (e.g., ONS delivery and support from others) to support and facilitate patients’ ONS usage. Conclusions The present study identifies patient involvement and the role of dietitians as behaviour change facilitators as two important aspects when dietitians prescribe ONS. These findings allow for dietitians’ ideals and strategies on how to prescribe ONS to be made more visible, which can inform both clinical practice and clinical trials for future improvements in nutrition therapy to address malnutrition.