ABSTRAKLATAR BELAKANG: Artritis Reumatoid AR merupakan penyakit kronik yang membutuhkan pengobatan jangka panjang dan mempengaruhi kualitas hidup penderitanya. Kuesioner Short Form 12 merupakan kuesioner kualitas hidup generik yang dapat digunakan untuk pasien AR dan telah diuji kesahihan dan keandalannya di Inggris. Penelitian ini bertujuan untuk menguji keandalan dan kesahihan kuesioner Short Form 12 Berbahasa IndonesiaMETODE: Enam puluh lima orang pasien yang telah didiagnosis AR secara klinis sebelumnya berdasarkan kriteria American College of Rheumatology/ European League Against Rheumatism, diwawancarai dengan menggunakan kuesioner Short Form 36 dan Short Form 12 versi Indonesia. Kesahihan dinilai menggunakan kesahihan konstruksi dan kesahihan eksternal dan keandalan dinilai melalui metode konsistensi internal dan tes ulang.HASIL: SF-12 berbahasa Indonesian tidak terbukti memiliki kesahihan yang baik dengan korelasi setiap pertanyaan dengan SF-36 terbukti rendah pada domain Role Emotional dan Mental Health P

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ABSTRACTBACKGROUND Rheumatoid Arthritis RA is a chronic disease requiring a long term medication affecting quality of life. Short Form 12 is a generic questionnaire to asses patients quality of life and has been validated in England. This study designed to test reliability and validity of Indonesian version of . Short Form 12 questionnaire. METHODS Sixty five patients diagnosed Rheumatoid Arthritis clinically using American College of Rheumatology European League Against Rheumatism criterion, interviewed using Short Form 36 and Short Form 12 questionnaire. Validity assesed with construct validity and external validity, while reliability tested with internal consistency and test retest method.RESULT Short Form 12 Indonesian Version did not proved having a good validity, as it have a poor correlation between Role Emotional and Mental Health domain in SF 36 and SF 12. Indonesian version of Short Form 12 have a poor internal consistency reliability Alpha Cronbach 0,561 0,754 with a good test and retest reliability intra class correlation coefficient 0,844 0,980, P