Reliability and validity study of the KIDSCREEN Health-Related Quality of Life Questionnaire in a Turkish child/adolescent population/Turk cocuk/ergenlerde KIDSCREEN Saglikla Iliskili Yasam Kalitesi Olceginin gecerlilik ve guvenilirligi

Objective: The aim of this study is to adapt KIDSCREEN Health Related Quality of Life (HRQoL) questionnaire into Turkish and to analyze the psychometric properties of the scale. Methods: The study conducted in the city of Manisa located in western Turkey is a validity and reliability study and consisted of 662 children/adolescents between the ages of 8 and 18 and 552 parents. In the study, sociodemographic characteristics of the participants were identified, and KIDSCREEN-52 and KINDL QoL questionnaires were administered. The KIDSCREEN scale was adapted to Turkish and applied psychometric analyses. Results: Cronbach's alpha ranged between 0.69 and 0.95 for the child/adolescent version of the KIDSCREEN-52, KIDSCREEN-27 and KIDSCREEN-10 index and between 0.68 and 0.94 for the proxy version. The results of confirmatory factor analyses fit indices for KIDSCREEN were considered to be at a good level. Correlation coefficient between the dimensions of the KIDSCREEN and KINDL scales assessing similar constructs (ranging between 0.45 and 0.62) were higher than that of other dimensions. In addition, the KIDSCREEN yielded results to discriminate the physical well- being, psychological well-being and perception of insufficient income. Conclusion: Turkish version of the child/adolescent and proxy versions of KIDSCREEN is a valid and reliable measurement tool. Keywords: KIDSCREEN, quality of life, psychometric properties Amac: Bu calismanin amaci, cocuklar ve gencler icin gelistirilmis Saglikla Iliskili Yasam Kalitesi Olcegi KIDSCREEN'i Turkceye uyarlamak ve psikometrik ozelliklerini cozumlemektir. Yontem: Arastirma Turkiye'nin batisinda yer alan Manisa ilinde 8-18 yaslari arasindaki 662 cocuk ve onlarin anne-babalari (s=552) uzerinde yapilmis gecerlilik ve guvenirlilik calismasidir. Katilimcilarin sosyodemografik ozellikleri belirlenmis, KIDSCREEN-52 ve KINDL Yasam Kalitesi Olcegi uygulanmistir. Arastirmada KIDSCREEN olcegi Turkceye uyarlanmis ve psikometrik ozellikleri belirlenmistir. Bulgular: KIDSCREEN-52, KIDSCREEN-27 ve KIDSCREEN-10 indeks cocuk surumunde Cronbach alfa dagilimi 0.69-0.95 arasindadir. Anne-baba surumunde ise Cronbach alfa 0.68-0.94 arasinda degismektedir. KIDSCREEN-52 dogrulayici faktor analizi uyum indeksi sonuclari iyi duzeyde bulunmustur. KIDSCREEN ile KINDL olceklerinin birbirine benzer yapilari arasindaki korelasyon katsayisi (r=0.45-0.62 arasinda) diger boyutlardan daha yuksek duzeydedir. Ayrica KIDSCREEN bedensel, ruhsal iyilik ve yetersiz g