COVID-19(20) mental health(4) Anxiety(4) Validity(3) estimates(3) COVID-19 prevention(3) Scale validation(3) the disease(3) Gender(3) fear(3) Perceived risk(3) participant(3) described(3) Depression(3) Perceived(3) Risk perception(3) age(3) coping(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)