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Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder

Güven Bahar, Haluk A. Savaş, Ahmet Ünal, Esen Savaş, Hilal Kaya, Aynur Bahar.

Cited by (1)

Abstract
Objective: The aim of the present study is to adapt the Morisky Medication Adherence Scale to Turkish, examine the reliability and validity of the scale among bipolar mood disorder patients and examine the relationship between mood stabilizers' blood drug levels and adherence to treatment. Methods: The sample comprised 59 bipolar mood disorder (BMD) patients in Gaziantep University Şahinbey Research and Practice Hospital Psychiatry Department Mood Disorder Clinic, who met the study requirements and who was diagnosed with BMD. The inclusion criterion for patients was to be euthymic at the time of the study. After examining the linguistic equivalence of the scale, its reliability and validity were assessed. Internal consistency and test-retest reliability were performed for reliability analysis; factor analysis was performed in order to determine construct validity, and Kappa agreement analysis was performed for external validity. Results: The internal consistency coefficient of the scale was found to be 0.62 while test-retest reliability coefficients were found to range between 0.64 and 0.96. In factor analysis, the KMO value was found to be 0.636; Bartlett's test result was found to be 29.312 and the items intercorrelated with each other in a perfect way. It was also found out that most of the variables had common features, loaded on a single factor and the total variance rate of the scale had a sufficient value. Responses of patients' relatives and patients' blood drug levels were taken as criterion for external validity and a statistically significant agreement was found between these criteria and patients' MMAS. Conclusion: On the basis of these results, it was concluded that Morisky Medication Adherence Scale is a valid and reliable measurement instrument for bipolar disorder and is recommended to be used in the clinic and research.

Key words: bipolar mood disorders, Morisky Medication Adherence Scale, validity, reliability, drug blood level



Morisky Tedavi Uyum Ölçeğinin iki uçlu duygudurum bozukluğu için geçerlilik ve güvenilirlik çalışması

Ozet
Amaç: Bu çalışmanın amacı Morisky Tedavi Uyum Ölçeğini Türkçeye uyarlamak, iki uçlu duygudurum bozukluğu hastalarında ölçeğin geçerlilik ve güvenilirlik analizlerini yapmak ve duygudurum düzenleyici ilaçların kan düzeyleri ile tedaviye uyum arasındaki ilişkiyi saptamaktır. Yöntem: Çalışmaya Gaziantep Üniversitesi Şahinbey Araştırma ve Uygulama Hastanesi Ruh Sağlığı ve Hastalıkları Anabilim Dalı Duygudurum Bozuklukları Polikliniği’ne başvuran ve çalışmaya alınma ölçütlerine uyan 59 iki uçlu duygudurum bozukluğu hastası katılmıştır. Hastaların çalışmaya alındığı sırada ötimik olmaları koşulu aranmıştır. Ölçeğin dilsel eşdeğerliliği incelendikten sonra, geçerlilik ve güvenilirlik çalışmaları yapılmıştır. Güvenilirlik analizleri için içyapı tutarlılığı ve test-tekrar test güvenirliği, yapı geçerliliğini saptamak için faktör analizi, dış geçerlilik için kappa uyuşma analizi uygulanmıştır. Bulgular: Ölçeğin iç tutarlılık katsayısı 0.62, test-tekrar test güvenirlik katsayıları 0.64-0.96 arasında bulunmuştur. Faktör analizinde KMO değeri 0.636; Bartlett’s testi sonucu 29.312, p<0.001 olarak saptanmış olup maddelerin birbirleri ile mükemmel şekilde korele olduğu saptanmıştır. Değişkenlerin çoğunun ortak nitelikli değişkenler olduğu, tek faktör etrafında yoğunlaştıkları ve ölçeğin toplam varyans oranının yeterli bir değere sahip olduğu bulunmuştur. Dış geçerlilik ölçütü olarak hasta yakınlarının yanıtları ve hastaların ilaç kan düzeyleri alınmış, bu ölçütler ile hastaların MTUÖ sonuçları arasında istatistiksel olarak anlamlı uyuşma saptanmıştır. Sonuç: Bu veriler doğrultusunda Morisky Tedavi Uyum Ölçeğinin iki uçlu bozuklukta geçerli ve güvenilir bir ölçme aracı olduğu saptanmış olup, klinikte ve araştırmalarda kullanılması önerilmektedir.

Anahtar Kelimeler: İki uçlu duygudurum bozukluğu, Morisky Tedavi Uyum Ölçeği, geçerlilik, güvenilirlik, ilaç kan düzeyi


 
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This Article Cited By the following articles

The effect of temperament on the treatment adherence of bipolar disorder type I
Nordic Journal of Psychiatry 2016; 70(3): 176.

1
 
How to Cite this Article
Pubmed Style

Bahar G, Savas HA, Unal A, Savas E, Kaya H, Bahar A. [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. Anadolu Psikiyatri Derg. 2014; 15(2): 141-149. Turkish. doi:10.5455/apd.39827


Web Style

Bahar G, Savas HA, Unal A, Savas E, Kaya H, Bahar A. [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. http://www.anadolupsikiyatri.net/?mno=39827 [Access: October 23, 2018]. Turkish. doi:10.5455/apd.39827


AMA (American Medical Association) Style

Bahar G, Savas HA, Unal A, Savas E, Kaya H, Bahar A. [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. Anadolu Psikiyatri Derg. 2014; 15(2): 141-149. Turkish. doi:10.5455/apd.39827



Vancouver/ICMJE Style

Bahar G, Savas HA, Unal A, Savas E, Kaya H, Bahar A. [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. Anadolu Psikiyatri Derg. (2014), [cited October 23, 2018]; 15(2): 141-149. Turkish. doi:10.5455/apd.39827



Harvard Style

Bahar, G., Savas, H. A., Unal, A., Savas, E., Kaya, H. & Bahar, A. (2014) [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. Anadolu Psikiyatri Derg, 15 (2), 141-149. Turkish. doi:10.5455/apd.39827



Turabian Style

Bahar, Guven, Haluk A. Savas, Ahmet Unal, Esen Savas, Hilal Kaya, and Aynur Bahar. 2014. [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. Anatolian Journal of Psychiatry, 15 (2), 141-149. Turkish. doi:10.5455/apd.39827



Chicago Style

Bahar, Guven, Haluk A. Savas, Ahmet Unal, Esen Savas, Hilal Kaya, and Aynur Bahar. "[Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]." Anatolian Journal of Psychiatry 15 (2014), 141-149. Turkish. doi:10.5455/apd.39827



MLA (The Modern Language Association) Style

Bahar, Guven, Haluk A. Savas, Ahmet Unal, Esen Savas, Hilal Kaya, and Aynur Bahar. "[Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]." Anatolian Journal of Psychiatry 15.2 (2014), 141-149. Print.Turkish. doi:10.5455/apd.39827



APA (American Psychological Association) Style

Bahar, G., Savas, H. A., Unal, A., Savas, E., Kaya, H. & Bahar, A. (2014) [Reliability and validity of the Morisky Medication Adherence Scale for bipolar mood disorder]. Anatolian Journal of Psychiatry, 15 (2), 141-149. Turkish. doi:10.5455/apd.39827





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