{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T21:31:57Z","timestamp":1740173517802,"version":"3.37.3"},"reference-count":24,"publisher":"Endocrinology Research Centre","issue":"4","license":[{"start":{"date-parts":[[2024,9,15]],"date-time":"2024-09-15T00:00:00Z","timestamp":1726358400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.probl-endojournals.ru\/jour\/about\/editorialPolicies#openAccessPolicy"}],"content-domain":{"domain":["www.probl-endojournals.ru"],"crossmark-restriction":true},"short-container-title":["Probl Endokrinol (Mosk)"],"abstract":"<jats:p><jats:bold>BACKGROUND<\/jats:bold>: Poor adherence to treatment among patients with type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM) hinders the effective use of antidiabetic agents and the achievement of optimal glycemic control, reducing their quality of life and outcomes. Assessing adherence to treatment using a questionnaire can help identify and eliminate factors and barriers that negatively affect adherence to medical recommendations and satisfaction with treatment.<\/jats:p><jats:p><jats:bold>AIM:<\/jats:bold> To conduct linguistic and cultural adaptation of the 12-item Medication Adherence Scale (MAS-12) questionnaire and evaluate the psychometric properties of the Russian version of the MAS-12 questionnaire among patients suffering from T1DM and T2DM.<\/jats:p><jats:p><jats:bold>MATERIALS AND METHODS<\/jats:bold>: A survey of 198 patients with T1DM and T2DM was carried out, including self-completion of the MAS-12 questionnaire in Russian. Average age: 47.1\u00b118.62 years, proportion of women \u2014 76%. Average duration of the disease: 13.08\u00b110.05 years. The construct validity of the MAS-12 questionnaire was assessed using confirmatory factor analysis. As an external criterion for assessing convergent validity, the KOP-25 method was used - the Russian Questionnaire for Quantitative Assessment of Treatment Adherence (KOP-25). Reliability of the MAS-12 was assessed using Cronbach\u2019s \u03b1 internal consistency and participant retest after 1 to 4 months.<\/jats:p><jats:p><jats:bold>RESULTS:<\/jats:bold> The factor structure of the MAS-12 questionnaire is reproduced for the first time on a Russian sample of patients with diabetes. Recommended fit indicators for the measurement model (CFI=0.983, RMSEA=0.049, TLI=0.968) were achieved by excluding two items (9 and 12) that did not demonstrate statistically significant contributions to their respective subscales. The internal consistency of the subscales (\u03b1 \u03f5 [0.522; 0.857]) and the questionnaire as a whole (\u03b1=0.766) was assessed as sufficient. Significant correlations of the adapted methodology and its subscales with the scales of the KOP-25 questionnaire were obtained. The closest connections (r \u03f5 [0.333; 0.431], p&lt;0.010) are observed with the COP-25 scales related to drug therapy, which indicates good external validity of the adapted methodology.<\/jats:p><jats:p><jats:bold>CONCLUSION:<\/jats:bold> The Russian version of the MAS-12 questionnaire \u201cQuestionnaire for assessing adherence to medication treatment\u201d (PML-10), consisting of 10 questions, has good psychometric properties, is a valid and reliable tool for assessing medication adherence among patients with T1DM and T2DM and can be recommended for use in clinical practice, including for monitoring treatment adherence in Russia.<\/jats:p>","DOI":"10.14341\/probl13372","type":"journal-article","created":{"date-parts":[[2024,9,17]],"date-time":"2024-09-17T16:42:57Z","timestamp":1726591377000},"page":"32-43","update-policy":"https:\/\/doi.org\/10.14341\/crossmarkpolicy2018","source":"Crossref","is-referenced-by-count":0,"title":["Adaptation of the 12-item medication adherence scale ( the Questionnaire for assessment of adherence to Medication) on a Russian-speaking sample of patients with type 1 and type 2 diabetes mellitus"],"prefix":"10.14341","volume":"70","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3332-826X","authenticated-orcid":true,"given":"V. E.","family":"Epishin","sequence":"first","affiliation":[{"name":"I.M. Sechenov First Moscow State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1282-2576","authenticated-orcid":true,"given":"M. F.","family":"Kalashnikova","sequence":"additional","affiliation":[{"name":"I.M. Sechenov First Moscow State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4680-0746","authenticated-orcid":true,"given":"N. V.","family":"Likhodey","sequence":"additional","affiliation":[{"name":"I.M. Sechenov First Moscow State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8436-8931","authenticated-orcid":true,"given":"I. B.","family":"Bondareva","sequence":"additional","affiliation":[{"name":"Peoples\u2019 Friendship University of Russia named after Patrice Lumumba"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1973-9361","authenticated-orcid":true,"given":"A. M.","family":"Kaurova","sequence":"additional","affiliation":[{"name":"I.M. Sechenov First Moscow State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-3832-2386","authenticated-orcid":true,"given":"M. V.","family":"Tulupova","sequence":"additional","affiliation":[{"name":"I.M. Sechenov First Moscow State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3758-4930","authenticated-orcid":true,"given":"N. A.","family":"Nikolaev","sequence":"additional","affiliation":[{"name":"Omsk State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3026-6315","authenticated-orcid":true,"given":"V. V.","family":"Fadeev","sequence":"additional","affiliation":[{"name":"I.M. Sechenov First Moscow State Medical University"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"5458","published-online":{"date-parts":[[2024,9,15]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","unstructured":"Horwitz RI. Adherence to Treatment and Health Outcomes. Arch Intern Med. 1993;153(16):1863. doi: https:\/\/doi.org\/10.1001\/archinte.1993.00410160017001","DOI":"10.1001\/archinte.1993.00410160017001"},{"key":"ref2","doi-asserted-by":"crossref","unstructured":"Byrne MK, Deane FP. Treatment adherence. In King R, Lloyd C, Meehan T, Deane FP, Kavanagh DJ. Manual of Psychosocial Rehabilitation. 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