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"Background: the prevalence of chronic kidney disease (CKD) and dialysis patients is increasing every year in Indonesia. The impact of CKD and dialysis on patient quality of life (QOL) has been recognized as an important outcome measure in the management of CKD. The Kidney Disease Quality of Life (KDQOL-36) has been validated and is widely used as a measure of QOL for CKD and dialysis patients in many countries, but not in Indonesia. The aim of this study is to determine the reliabity and validity of the Indonesian version of KDQOL-36 on hemodialysis patients in Indonesia. Methods: the KDQOL-36 was translated into Indonesian language by a certified translator and then it was back-translated into English. The translated questionnaire was further reviewed by an expert panel. The final questionnaire was administered to hemodialysis patients in Hemodialysis Unit at Hasan Sadikin General Hospital. Validity was measured using Pearson's correlation between the kidney disease-targeted scores, generic dimensions (SF-12) scores and each scale score in KDQOL-36. The internal consistensy was assessed using Cronbach's Alpha and reliability was examined using test-retest. Results: out of 103 patients, we found that most subjects were male (52.4%) with median age of 51 (22-75) years. The duration of hemodialysis was 3.4 (SD 2.1) years. The validity test showed a significant correlation (p<0.001) on kidney disease-targeted total score, SF-12 and each score of the scale within it. All of the KDQOL-36 scales showed good test-retest reliability. Internal consistency reliability values were acceptable, with Cronbach's Alpha >0,7 for all scales. Conclusion: the Indonesian version of the KDQOL-36 questionnaire is valid and reliable for evaluating QOL in reguler hemodialysis patients."

"Latar Belakang. Frekuensi kekerasan pada orang dengan gangguan jiwa (ODGJ) cukup sering dijumpai, sehingga menimbulkan permasalahan baik saat mereka berada dalam perawatan di rumah sakit ataupun saat mereka kembali ke komunitas. Dengan adanya suatu instrumen yang dapat menilai faktor-faktor risiko terjadinya kekerasan di masa mendatang serta diberikannya manajemen risiko dan tata laksana yang adekuat dapat mengurangi timbulnya risiko perilaku kekerasan atau kebeberbahayaan, serta menimbulkan rasa aman dan nyaman baik bagi ODGJ itu sendiri, keluarga atau pelaku rawat, komunitas serta tenaga medis. Tujuan. Penelitian ini dilakukan untuk mendapatkan instrumen yang sahih dan handal dalam menilai risiko kekerasan atau keberbahayaan di masa mendatang serta rencana tata laksananya terutama pada seting klinis, yakni Historical Clinical Risk Management Scale 20 Version 3 (HCR-20V3) versi Bahasa Indonesia. Metode. Penelitian ini melibatkan 103 pasien dengan riwayat perilaku kekerasan yang datang ke Poli Jiwa Dewasa dan Unit Rawat Inap Departemen Psikiatri RSCM sejak bulan November 2018 dan berusia 18-59 tahun. Uji kesahihan yang dilakukan antara lain uji kesahihan isi dengan meminta pendapat dari 10 orang pakar di bidang Ilmu Kesehatan Jiwa, serta uji kesahihan konkuren yang membandingkan skala klinis pada instrumen HCR-20V3 versi Bahasa Indonesia dengan instrumen standar yang telah divalidasi sebelumnya yakni PANSS dan OAS. Uji keandalan konsistensi internal dilakukan dengan melihat nilai Cronbach s Alpha. Hasil. Uji kesahihan isi menunjukkan nilai content validity index for items (I-CVI) sebesar 0.97 dan nilai content validity index for scales (S-CVI) sebesar 0.80 yang menunjukkan bahwa butir-butir pada instrumen HCR-20V3 versi Bahasa Indonesia memiliki relevansi terhadap penilaian risiko kekerasan/keberbahayaan pada seseorang. Uji kesahihan konkuren menunjukkan korelasi positif dan signifikan jika dibandingkan dengan instrumen PANSS dan OAS. Nilai koefisien Cronbach s Alpha diperoleh hasil sebesar 0.758 yang menunjukkan hasil baik pada uji keandalan konsistensi internal. Simpulan. Penelitian ini menghasilkan instrumen HCR-20V3 versi Bahasa Indonesia yang sahih dan andal dalam menilai risiko perilaku kekerasan atau keberbahayaan.

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Background. The frequency of violence in people with mental disorders is quite common, causing problems when they are in hospital care or when they return to the community. An instrument that can assess risk factors for future violence and provide adequate risk management can reduce the risk of violence or dangerous behavior, and create a sense of security and comfort for people with mental disorder, their families, the community and medical personnel. Aim. This research was conducted to obtain a valid and reliable instrument, namely the Indonesian version of the Historical Clinical Risk Management Scale 20 Version 3 (HCR-20V3), in assessing the risk of future violence or harm and its management, especially in clinical settings. Methods. The study involved 103 patients with a history of violent behavior who had come to the Adult Psychiatry Outpatient Unit and RSCM Department of Psychiatric Inpatient Unit since November 2018 until March 2019 and aged 18-59 years. Validity tests included the content validity test by collecting the opinions of 10 experts in the field of Mental Health, as well as concurrent validity test that compare the clinical scale of the Indonesian version of the HCR-20V3 instrument with the previously validated standard instruments, Positive and Negative Syndrome Scale (PANSS) and Overt Agression Scale (OAS). Reliability testing of internal consistency was done by defining the value of Cronbach s Alpha. Results. The content validity index for items (I-CVI) was 0.97 and the content validity index for scales (S-CVI) value was 0.80, indicating that the items in the Indonesian version of the HCR-20V3 instrument are relevant for asssessing risk of violent behavior. Concurrent validity test showed a positive and significant correlation when compared with PANSS and OAS instruments. The Cronbach s Alpha coefficient value was 0.758 which showed good result on the internal consistency reliability test. Conclusion. The Indonesian version of HCR-20V3 is a valid and reliable instrument for assessing risk of violent or dangerous behavior."

"ABSTRAK

Pendahuluan: Konsep presenteeism banyak dikaitkan dengan faktor kesehatan. Presenteeism telah terbukti menyebabkan hilangnya produktivitas mencapai hampir 50% lebih besar dibandingkan dengan yang diakibatkan oleh absenteeism. Saat ini di Indonesia belum ada alat yang dikembangkan untuk menilai presenteeism di kalangan pekerja, khususnya lebih spesifik untuk menilai faktor masalah kesehatan yang dapat berpengaruh pada terjadinya presenteeism. Oleh sebab itu, peneliti melakukan uji validitas dan reliabilitas kuesioner SPS-6 versi Indonesia agar dapat digunakan sebagai salah satu instrumen penilaian komponen kesehatan presenteeism.

Metode: Penelitian ini dimulai dengan proses adaptasi lintas budaya yang merujuk pada metode ISPOR, dan dilanjutkan dengan uji validitas dan reliabilitas dengan analisis statistik. Uji statistik dilakukan dengan mengujicobakan kuesioner pada responden yang representatif dengan populasi target, yaitu pekerja kantor atau white collar worker.   Total responden yang berpartisipasi berjumlah 112 orang. Uji validitas dilakukan dengan uji validitas faktor dan butir, sedangkan uji reliabilitas dilakukan dengan metode uji konsistensi internal menggunakan nilai Chronbachs Alpha.

Hasil; Proses adaptasi lintas budaya SPS-6 telah berhasil dilakukan sehingga menjadi SPS-6 versi Indonesia yang valid. Perubahan paling signifikan terjadi pada penjelasan mengenai defisnisi masalah kesehatan. Pada uji validitas butir dan faktor, didapatkan uji korelasi antara skor butir masing-masing dimensi (fokus kerja dan psikologis) dengan total skor dimensi masing-masing signifikan berkorelasi. Pada uji korelasi antara skor tiap butir dengan keseluruhan skor total kuesioner signifikan berkorelasi. Pada uji reliabilitas didapatkan nilai Chronbachs Alpha dimensi fokus kerja sebesar 0,657 dan dimensi psikologis sebesar 0,646.

Kesimpulan: Kuesioner SPS-6 versi Indonesia dinyatakan valid dan reliabel, dan terbukti dapat digunakan sebagai instrumen untuk mengidentifikasi komponen kesehatan presenteeism bagi pekerja kantor (white collar worker) di Indonesia.

Kata Kunci : presenteeism, produktivitas kerja, validitas, reliabilitas

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ABSTRACT

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Introduction: The concept of presenteeism is mostly associated with health factors. Presenteeism has been proven to cause a loss of productivity reaching nearly 50% greater than that caused by absenteeism. Currently in Indonesia there are no tools developed to assess presenteeism among workers, especially more specifically to assess the factors of health problems that can affect the occurrence of presenteeism. Therefore, researchers conducted a validity and reliability test for the Indonesian version of the SPS-6 questionnaire so that it could be used as an instrument for evaluating the health component of presenteeism.

Methods: The research began with a cross-cultural adaptation process that refers to the ISPOR method, and continued with a validity and reliability test with statistical analysis. Statistical tests were carried out by testing questionnaires on office workers or white collar workers who were representative of the target population. The total number of respondents who participated was 112 people. Validity test is done by item validity test and factor validity test. The reliability test was carried out using the internal consistency test method using the Chronbachs Alpha value.

Results: The cross cultural adaptation process of SPS-6 has been successfully carried out so that it becomes a valid Indonesian version of SPS-6. The most significant change occured in the explanation of the health problem definition. In the item validity test and factor validity test, the correlation test between the item score of each dimension (work focus and psychological) with the total score of each dimension is significantly correlated. In the correlation test between the score of each item with the overall total score of the questionnaire significantly correlated. In the reliability test the value of Chronbachs Alpha was 0.523.

Conclusion: The Indonesian version of the SPS-6 questionnaire was declared valid and reliable, and proved to be used as an instrument to identify the health component of presenteeism for office workers (white collar workers) in Indonesia.

Keywords: presenteeism, work productivity, validity, reliability

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"Validity and Reliability of Indonesian Version of Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ-INA) for Patients with Cervical Myelopathy in Dr. Cipto Mangunkusumo General HospitalAbstrak Berbahasa Indonesia/Berbahasa Lain (Selain Bahasa Inggris): Pendahuluan: Mielopati servikal merupakan penyakit degeneratif progresif pada sumsum tulang belakang dan merupakan penyebab paling umum dari disfungsi sumsum tulang belakang servikal. Berbagai skala telah dikembangkan untuk menilai dan mengukur derajat keparahan mielopati servikal, salah satunya adalah JOA Cervical Myelopathy Evaluation Questionnaire (JOACMEQ). JOACMEQ telah terbukti valid dan reliabel di beberapa penelitian dalam berbagai bahasa, namun masih diperlukan adaptasi lintas budaya ketika akan digunakan di Indonesia. Tujuan penelitian ini adalah melakukan adaptasi lintas budaya JOACMEQ menjadi JOACMEQ berbahasa Indonesia (JOACMEQ-INA) serta menilai validitas dan reliabilitas pada pasien mielopati servikal di Indonesia.Metode: Penelitian ini adalah studi dengan desain potong lintang untuk menguji validitas dan reliabilitas JOACMEQ-INA pada pasien mielopati servikal. Subjek penelitian adalah pasien yang didiagnosis mielopati servikal di RSCM pada periode bulan Januari 2020 sampai Desember 2020. Pada tahap awal, kuisioner akan dilakukan berbagai tahap terjemahan dan lintas budaya yang dilanjutkan dengan uji validitas dan reliabilitas.Hasil: Proses terjemahan dilakukan dengan dua orang penerjemah dari bahasa Inggris ke Indonesia. Hasil terjemahan kemudian disintesis menjadi satu kuisioner yang ideal dan kemudian diterjemahkan kembali ke bahasa Inggris. Hasil terjemahan kembali menunjukkan ketepatan terjemahan. Analisis validitas dan reliabilitas dilakukan pada 42 subjek penelitian. Pada uji validitas terhadap skor total ranah menunjukkan hasil yang signifikan pada semua pertanyaan di ranah kuisioner. Hasil uji validitas terhadap skor total menunjukkan hasil signifikan pada mayoritas pertanyaan kecuali pada pertanyaan pada ranah bladder function, serta pada ranah quality of life. Uji reliablitas menunjukkan hasil yang baik secara keseluruhan

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Introduction: Cervical myelopathy is a progressive degernerative disease of the spine and one of the most common cause of cervical spine dysfunction. Scoring systems have been developed to assess the severity of cervical myelopathy, one of which is JOA Cervical Myelopathy Evaluation Questionnaire (JOACMEQ). JOACMEQ has shown a good validity and reliability in many studies. However, there are yet any scoring system to assess activity dysfunction in Indonesia. This study aims to assess the validity and reliability of JOACMEQ-INA as an assessment tool for cervical myelopathy quality of life.

Method: This is a cross-sectional study to asses the validity and reliability of JOACMEQ-INA in cervical myelopathy. This study included 42 patients from January-December 2020. We conducted transcultural adaptation of the JOACMEQ questionnaire to JOACMEQ-INA questionaire, and performed validity and reliability assessment.

Results: Two translator performed the English to Indonesian translation. The translation was synthesized to become one questionnaire, and was retranslated to English. The retranslation showed internal consistency. Validity and reliability analysis were performed to 42 subjects. Validity test showed significant results within domain and total score. Validity test of the total score showed significant results to the majority of question, except the bladder function and quality of life domain. Reliability test showed good overall results."

"Latar belakang: Identifikasi dan deteksi dini keterlambatan perkembangan anak sampai usia 3 tahun membutuhkan alat uji penapisan yang sahih dan andal serta mudah diaplikasikan orangtua. Kesahihan dan keandalan ASQ-3 belum teruji di Indonesia sehingga ASQ-3 belum digunakan secara luas sebagai alat uji penapisan perkembangan anak. Tujuan: Mengetahui kesahihan dan keandalan ASQ-3 bahasa Indonesia sebagai alat uji penapisan keterlambatan perkembangan anak usia 24-36 bulan. Metode: Penelitian potong lintang ini dibagi menjadi 2 tahap. Tahap pertama yaitu adaptasi transkultural, modifikasi dan tranlasi kuesioner ASQ-3 versi orginal ke bahasa Indonesia. Tahap kedua, kuesioner bahasa Indonesia yang sudah final, diuji ke 30 subyek dari 5 kelompok umur (24,27,30,33,36 bulan). Uji kesahihan dengan menggunakan koefisien korelasi, uji keandalan dengan konsistensi internal dan keandalan inter-rater. Hasil: Uji kesahihan dengan koefisien korelasi kuat di domain komunikasi usia 24 bulan (0,908), domain motor kasar usia 24 bulan (0,860), domain motor kasar usia 36 bulan (0,865). Uji keandalan dengan Alpha Cronbach ialah baik (0,673-0,825) dengan keandalan inter-rater yang sangat baik (0,916). Kesimpulan: ASQ-3 bahasa Indonesia sahih dan andal sebagai alat uji penapisan keterlambatan perkembangan anak usia 24-36 bulan.

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Background: Identification of children with developmental disabilities is critical step in providing early intervention services. Ages and Stages Questionnaires third edition (ASQ-3), a parent-report questionnaires has been proven to be a valid and reliable screening test and good psychometric properties. This test has not been validated and standardized before in Indonesia.

Aim: To provide the validated and reliability form of the Indonesian version of the Ages and Stages Questionnaires as an appropriate developmental screening tool for evaluation of 24-36 months Indonesian children's development.

Method: Cross sectional study divided into two parts. First part included the adaptation, transcultural, and translation ASQ-3 original version to Indonesian version. Second part, final form of Indonesian ASQ-3 was performed for 30 children from 5 age groups (24,27,30,33,36 months). In order to determine validity of the questionnaires using correlation coefficient, and reliability was measured using internal consistency and intraclass correlation coefficient.

Results: The validity determined by correlation coefficient was very good in communication area at 24 months age (0.908), gross motor at 24 months age (0.860), and gross motor at 36 months age (0.865). The reliability, determined by cronbach's alpha ranged from 0.673-0.825 and the inter-rater reliability was 0.916.

Conclusion: The Indonesian version of the ASQ has appropriate validity and reliability for screening developmental disorders in 24 -36 months children in Indonesia."

"ABSTRAKLatar Belakang: Quality of Recovery-40 (QoR-40) adalah salah satu instrumen yang telah digunakan luas di dunia untuk menilai kualitas pemulihan pascaanestesia umum. Saat ini belum ada instrumen spesifik yang menilai kualitas pemulihan pascaanestesia di Indonesia.Metode: Hasil terjemahan akan diujikan pada minimal 102 pasien yang menjalani anestesia umum satu hari praoperasi dan satu hari pascaoperasi. Uji kesahihan isi menggunakan koefisien Aiken v, uji kesahihan konstruksi (analisis faktor dan uji korelasi pearson), Konsitensi Internal ( Chronbach α), ketanggapan (responsiveness) dengan Standart respon mean (SRM) .Hasil: Uji kesahihan isi formula Aiken V didapatkan bahwa QoR-40 versi Indonesia sahih dengan nilai ≥ 0,5. Uji kesahihan konstruksi dengan analisis faktor menunjukan semua faktor memiliki korelasi yang tinggi (korelasi ≥ 0,5). Uji korelasi Pearson didapatkan 3 item pertanyaan dari dimensi dukungan tehadap pasien yang tidak sahih, (Mendapat dukungan dari dokter Rumah Sakit, ρ= 0,252), (Mampu memahami arahan dan nasehat ρ= 1,98), (Merasa bingung ρ= 0,202). Standart Respon Mean (SRM) pada Uji ketanggapan adalah 1,06. Terdapat hubungan negatif antara skor QoR-40 versi Indonesia dengan lama masa rawatanSimpulan: QoR - 40 versi Indonesia menunjukkan kesahihan dan keandalan yang memuaskan. Dimensi dukungan terhadap pasien dengan koefisien kesahihan terendah dan tiga pertanyaan yang tidak memiliki kesahihan konstruksi. Ada hubungan negatif antara skor QoR - 40 versi Indonesia dengan panjang pengobatan . Penelitian ini menghasilkan instrumen QoR - 40 versi Indonesia yang memiliki ketanggapan atau sensitif untuk menilai perubahan klinis pascanestesia umum.

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ABSTRACTBackground: Quality of Recovery-40 (Qor-40) is one of the instruments that have been used widely in the world to assess the quality of recovery after general anesthesia. Currently there is no specific instrument that assesses the quality of recovery after general anesthesia in Indonesia.Methods: The translation will be tested on at least 102 patients undergoing general anesthesia preoperative one day and one day postoperative. Test the validity of the content using the coefficient Aiken V, Construction validity (factor analysis and Pearson correlation), Internal consistency (Chronbach α), responsiveness with Standard response mean (SRM).Results: Test the content validity of Aiken V formula found that Qor-40 Indonesian version valid with a value of ≥ 0.5. Test construction validity by factor analysis showed all the factors have a high correlation (correlation ≥ 0.5). Pearson correlation test item obtained 3 question in patient support dimension not valid, ( Getting support from Hospital doctors, ρ = 0.252), (Able to understand the direction and advice of ρ = 1.98), (Feeling confused ρ = 0.202). SRM on test responsiveness 1,06. There is a negative correlation between the scores Qor-40 version Indonesia with long term careConclusion: QoR-40 Indonesian version showed satisfactory validity and reliability. Dimensions support to patients with the lowest validity coefficient and three questions that do not have construction validity. There is a negative relationship between the score Qor-40 version of Indonesia with the length of treatment. This research resulted in the instrument Qor-40 Indonesia version (responsivness) or sensitive to assess clinical changes after general anesthesia."

"Tujuan dari penelitian ini adalah untuk mengukur validitas dan reliabilitas skala baru dari Neuroticism. Peneliti membuat skala baru neuroticism yang terdiri dari tiga skala, yaitu neuroticism, anxiety, and social relationship. Dalam penelitian ini, 129 mahasiswa dan mahasiswi Universitas Queensland ikut serta sebagai partisipan untuk menguji skala baru neuroticism. Peneliti menemukan bahwa terdapat korelasi yang significant antara skala original neuroticism dan skala neuroticism yang baru terdapat pula korelasi skala neuroticism dan anxiety. Hasil dari penelitian ini memperlihatkan validitas antara original neuroticism dan skala baru neuroticism. Meskipun dalam penelitian ini tidak ditemukan korelasi antara skala baru neuroticism dan skala relationship. Peneliti juga menemukan bahwa terdapat reliabilitas yang bagus M=46.32, SD=6.38, dan item discrimination indices yang konsisten. Untuk penggunaan selanjutnya diharapkan untuk mempertimbangkan items yang berada di posisi rendah di dalam items discrimination indices.

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The aim of this study is to test validity and reliability of the new scale of neuroticism. We made the new neuroticism scale and another three scales, which are original neuroticism scale, anxiety, and relationship. There were 129 students of University of Queensland. We found that there was positive significant correlation between original scale of neuroticism and new scale of neuroticism, and positive significant correlation between the new scale of neuroticism and anxiety.

The result also shows there is validity in our new scale and original scale of neuroticism. However, we found that there was no positive significant correlation between our new scale of neuroticism and relationship. We also found that our new scale has good reliability M 46.32, SD 6.38 , and item discrimination indices are consistent. Further uses should be considering the low items in discrimination indices."

"Latar Belakang: saat ini belum ada kuesioner yang dapat dipakai untuk menilai kualitas hidup pasien melasma perempuan di Indonesia. Penelitian ini bertujuan untuk mengadaptasi kuesioner spesifik berbahasa Inggris yaitu MELASQOL dan menilai kesahihan dan keandalan kuesioner hasil adaptasi tersebut. Tujuan: penelitian ini bermaksud mendapatkan kuesioner MELASQOL berbahasa Indonesia yang diadaptasi dari kuesioner MELASQOL berbahasa Inggris untuk menilai kualitas hidup pasien melasma perempuan di Indonesia. Metode: rancangan studi menggunakan potong lintang. Penelitian ini dibagi menjadi dua tahap, tahap awal adaptasi lintas budaya dan bahasa dan tahap akhir uji kesahihan dan keandalan. MELASQOL asli berbahasa Inggris diadaptasi ke dalam bahasa Indonesia dengan mengikuti pedoman adaptasi lintas budaya dan bahasa. Pengambilan subjek penelitian dilakukan di Poliklinik Kulit dan Kelamin Rumah Sakit Dr. Cipto Mangunkusumo Indonesia dan di sebuah pabrik di Tangerang. Analisa kesahihan menggunakan kesahihan konstruksi dan keandalan menggunakan konsistensi internal dengan Cronbach ?. Hasil: tahap awal diperoleh 30 subjek penelitian dan tahap akhir 32 subjek penelitian. Hasil uji kesahihan MELASQOL berbahasa Indonesia dengan nilai koefisien korelasi setiap pertanyaan dengan skor total adalah 0,712-0,935. Hasil uji keandalan MELASQOL berbahasa Indonesia diperoleh Cronbach ? total 0,962 Simpulan: MELASQOL berbahasa Indonesia merupakan kuesioner yang valid dan reliabel untuk menilai kualitas hidup pasien melasma perempuan di IndonesiaKata kunci: MELASQOL, bahasa Indonesia, kualitas hidup, kesahihan, keandalan.

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Background Until now, there is no questionnaire that are used to assess the quality of life women with melasma. The aim of this study to adapt english questionnaire, MELASQOL, and to assess validity and reliability of adaptation questionnaire.Objective This study aims to obtain an Indonesia MELASQOL questionnaire adapted from English MELASQOL questionnaire to assess the quality of life female patient with melisma in Indonesia. Method design of this study used cross sectional. There are two stage, the initial stage is cross cultural and language adaptation. The final stage are validity and reliability test. The original MELASQOL questionnaire in English is adapted into bahasa Indonesia by according cross cultural and language adaptation guideline. The research subjects from Dr. Cipto Mangunkusumo hospital and factory in Tangerang. Validity analysis used construct validity. Internal consistency using Cronbach were used for reliability analysis. Results the initial stage administered 30 research subjects and final stage 32 research subjects. Validity of MELASQOL bahasa Indonesia with analysis item total score correlation coefficient is 0,712 0,935. Reliability of this quetionnaire with Cronbach score is 0,962.Conclusion MELASQOL bahasa Indonesia is a valid and reliable instrumen for assessing the quality of life of female melasma patients in Indonesia.Keywords MELASQOL, bahasa Indonesia, quality of life, validity, reliability."

"Aim: to obtain a valid and reliable GERD-QOL questionnaire for Indonesian application.

Methods: at the initial stage, the GERD-QOL questionnaire was first translated into Indonesian language and the translated questionnaire was subsequently translated back into the original language (back-to-back translation). The results were evaluated by the researcher team and therefore, an Indonesian version of GERD-QOL questionnaire was developed. Ninety-one patients who had been clinically diagnosed with GERD based on the Montreal criteria were interviewed using the Indonesian version of GERD-QOL questionnaire and the SF 36 questionnaire. The validity was evaluated using a method of construct validity and external validity, and reliability can be tested by the method of internal consistency and test retest.

Results: the Indonesian version of GERD-QOL questionnaire had a good internal consistency reliability with a Cronbach Alpha of 0.687-0.842 and a good test retest reliability with an intra-class correlation coefficient of 0.756-0.936; p<0.05). The questionnaire had also been demonstrated to have a good validity with a proven high correlation to each question of SF-36 (p<0.05).

Conclusion: the Indonesian version of GERD-QOL questionnaire has been proven valid and reliable to evaluate the quality of life of GERD patients."