Lamiya Samad|Chris Hollis|Martin Prince|Robert Goodman
Child and adolescent psychopathology in a developing country: testing the validity of the Strengths and Difficulties Questionnaire (Urdu version)
study test validity urdu version strengths difficulties questionnaire sdq carried pakistan study population consisted 212 children aged 4 16 years presenting psychiatric case group n 72 paediatric outpatient clinics comparison group n 140 parents children interviewed using extended version sdq case group subjected diagnostic icd10 criteria child psychiatrists blind sdq scores urdu version able discriminate study groups mean difficulties score higher case group mean 217 comparison group mean 144 difference mean difference 73 statistically significant p 001 95 ci 53 93 effect size 11 adequate sensitivity 61 obtained type psychiatric disorder case group using abnormal category sdq symptom scores cutoff simple pencilandpaper algorithm combining symptom impact scores identified children need intervention roc curve analysis showed area curve 070 scores choice optimal cutoffs urdu version discussed copyright 2005 john wiley sons ltd