Since its development, the Strengths and Difficulties Questionnaire (SDQ) has been widely used in both research and practice. The SDQ screens for positive and negative psychological attributes. This review aims to provide an overview of the psychometric properties of the SDQ for 4- to 12-year-olds. Results from 48 studies (N = 131,223) on reliability and validity of the parent and teacher SDQ a...

Introduction: In Africa, little is known about child mental health. This study piloted the Strengths and Difficulties Questionnaire (SDQ) in Kinshasa, investigated mental health problems and the association between these problems and school performance, demographic factors, illness and nutrition. Methods: An epidemiological survey was conducted with 1187 children, seven to nine years old, recru...

OBJECTIVE Psychological adversities among young children may be associated with childhood overweight and obesity. We examined if an increased level of child behavioural problems was associated with body size among a selected group of 2-6 year old children, who were all predisposed to develop overweight. METHODS Cross-sectional analyses were conducted using baseline data from the "Healthy Star...

BACKGROUND Population level data regarding the general mental health status, and the socio-demographic factors associated with the mental health status of adolescents in Australia aged 12-16 years is limited. This study assessed prevalence of mental health problems in a regional population of Australian students in Grades 7-10, and investigated associations between mental health problems and so...

OBJECTIVE To study the applicability of the Strength and Difficulties Questionnaire (SDQ 2,4-p) as a screening tool for mental health problems in preschoolers, in the context of Primary Health Care; to evaluate the mental health problems of the sample, comparing data from SDQ (2,4-p) and from the Child Behavior Check List (CBCL 1½-5 years). METHODS Cross-sectional observational study with a c...

OBJECTIVE To evaluate the responsiveness of the Shoulder Disability Questionnaire (SDQ). METHODS The study was conducted within the framework of an observational study on shoulder disorders in primary care. After first presentation of their complaints to the general practitioner and after one and six months, participants completed the SDQ, a single question on functional status (FSQ), and an ...

Objective: To provide the first explicit evaluation of the dimensionality of the total difficulties score of the Strengths and Difficulties Questionnaire (SDQ), a widely used measure of child mental health. We do so by validating the SDQ across its full range against the prevalence of clinical disorder. Method: We use two large (N=18,415), nationally-representative surveys of children and adole...