COVID-19(20) mental health(4) Anxiety(4) coping(3) age(3) United Kingdom(3) appraisal(3) COVID-19 Own Risk Appraisal Scale(3) correlated(3) risk(3) development(3) index(3) internal consistency(3) performed(3) psychometric property(3) scale(3) Fear of COVID-19(3) statistically significant difference(3) Result(3) factor analysis(3) Validity(3) estimates(3) COVID-19 prevention(3) Risk perception(3) Scale validation(3) the disease(3) Gender(3) fear(3) Perceived risk(3) participant(3)