“…The overall quality-of-life indicator is influenced by various factors. The main ones, according to scientists, are medical (the presence of chronic diseases, their duration and symptoms) and socio-demographic factors (Arabiat, Elliott, Draper, & Al Jabery, 2011;Bergier et al, 2018;Brodani & Kovacova, 2019;Pacesova, Smela, & Kracek, 2019;Pavlova, Vynogradskyi, Borek, & Borek, 2015;Pavlova, Vynogradskyi, Kurchaba, & Zikrach, 2017;Pavlova, Stefankiv, & Vynogradskyi, 2016). So, in the presence of chronic diseases, the younger the respondent, the lower their quality of life (Varni et al, 2007).…”