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Using the 5-Item Medication Adherence Report Scale (MARS-5) to Screen for Non-adherence to Vitamin and Mineral Supplementation After Bariatric Surgery
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- Spetz, Kristina (author)
- Linköpings universitet,Avdelningen för kirurgi, ortopedi och onkologi,Medicinska fakulteten,Region Östergötland, Klinisk farmakologi
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- Olbers, Torsten (author)
- Linköpings universitet,Avdelningen för kirurgi, ortopedi och onkologi,Medicinska fakulteten,Region Östergötland, Kirurgiska kliniken ViN
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- Johansson Östbring, Malin, 1980- (author)
- Linnéuniversitetet,Institutionen för medicin och optometri (MEO),Kalmar County Council, Sweden,Linnaeus Univ, Sweden; Kalmar Cty Council, Sweden
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- Springer, 2024
- 2024
- English.
- In: Obesity Surgery. - : Springer. - 0960-8923 .- 1708-0428. ; 34, s. 576-582
- Journal article (peer-reviewed)
Abstract
Subject headings
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- IntroductionPoor adherence to recommended vitamin and mineral supplementation after bariatric surgery is common and challenging for healthcare professionals to identify. There are several questionnaires for self-reporting of adherence to chronic medication, but none has so far been evaluated for assessment of adherence to vitamin and mineral supplementation after bariatric surgery. The aim of this study was to assess the accuracy of the 5-item Medication Adherence Report Scale (MARS-5) in measuring adherence to vitamin and mineral supplementation post bariatric surgery (gastric bypass or sleeve gastrectomy).MethodThe psychometric properties of MARS-5 for vitamin and mineral supplementation were validated in two cohorts: one at 1 year post bariatric surgery (n = 120) and the other at 2 years post-surgery (n = 211). MARS-5 was compared to pharmacy refill data for vitamin B12 and combined calcium/vitamin D as reference.ResultsCorrelation analyses demonstrated that the MARS-5 had acceptable validity compared to objectively measured adherence rates from pharmacy refill data (calculated as continuous, multiple-interval measures of medication availability/gaps-coefficient ranged from 0.49 to 0.54). Internal reliability (Cronbach's alpha) was high: 0.81 and 0.95, respectively. There was a clear ceiling effect where one out of three had a maximum score on MARS-5.ConclusionMARS-5 demonstrated acceptable psychometric properties for assessment of adherence to vitamin and mineral supplementation post bariatric surgery.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Samhällsfarmaci och klinisk farmaci (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Social and Clinical Pharmacy (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Keyword
- Adherence
- Compliance
- Gastric bypass
- Sleeve gastrectomy
- Bariatric surgery
- Vitamin
- Mineral
- Deficiencies
- Obesity
- Pharmacology
- Farmakologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Horne, Rob
- Andersson, Ellen
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- Linköping University
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