Alireza Zangeneh, Farid Najafi, Ardeshir Khosravi, Arash Ziapour, Homa Molavi, Zahra Moradi, Saeedeh Bakhshi, Fatemeh Khosravi Shadmani, Behzad Karamimatin, Moslem Soofi
Epidemiological patterns and spatiotemporal analysis of cardiovascular disease mortality in Iran: Development of public health strategies and policies
Current problems in cardiology
hospital anxiety depression rating scale commonly used questionnaire former studies given inconsistent results psychometric properties scaleto examine psychometric properties scale large populationall inhabitants aged 2089 years n92 100 invited take part nordtrndelag health study norway total 65 648 subjects participated completed scale forms n51 930 formed basis psychometric examinationsprincipal component analysis extracted two factors scale accounted 57 variance anxiety depression subscales shared 30 variance subscales found internally consistent values cronbachs coefficient alpha 080 076 respectivelybased data large population basic psychometric properties scale selfrating instrument considered quite good terms factor structure intercorrelation homogeneity internal consistency