Ya-Fen Chan|Doris Leung|Daniel Yee Tak Fong|Chi Sing Leung|Antoinette M. Lee
Psychometric evaluation of the Hospital Anxiety and Depression Scale in a large community sample of adolescents in Hong Kong
University of Hong Kong|University of Hong Kong|University of Hong Kong|Chinese University of Hong Kong|Prince of Wales Hospital|University of Hong Kong|Queen Mary Hospital
hospital anxiety depression scale hads widely used adult populations however usefulness adolescents explored less study sought evaluate reliability validity factor structure chinese version hads community sample adolescents residing hong kong prospective cohort 5857 students recruited 17 secondary schools completed hads internal consistency concurrent validity examined confirmatory factor analysis applied test relative fits six factor structures hads best fitting model crossvalidated male female splithalf samples age subgroups hads possessed adequate internal consistency especially anxiety subscale significant concurrent intercorrelations selfreported suicidal thoughts youth self report anxiousdepressed subscale discovered found stronger females crossvalidation supported twofactor model anxiety item 7 sit ease feel relaxed placed depression subscale hads showed satisfactory psychometric properties screening instrument assessing anxious depressive states two correlated distinct factors adolescents study implications recommendations future research discussed