Gillberg C: Double syndromes: autism associated with genetic, medical and metabolic disorders. Cognitive and Behavioural Abnormalities of Pediatric Diseases. Edited by: Nass RD, Frank Y. 2010, Oxford University Press, New York, 11-29.
Google Scholar
American Psychiatric Association: Diagnostic and statistical manual of mental disorders. 2000, Author, Washington, DC, Revised 4
Google Scholar
Ehlers S, Gillberg C, Wing L: A screening questionnaire for Asperger syndrome and other high-functioning autism spectrum disorders in school age children. J Autism Dev Disord. 1999, 29 (2): 129-141. 10.1023/A:1023040610384.
Article
CAS
PubMed
Google Scholar
Robins DL, Fein D, Barton ML, Green JA: The modified checklist for autism in toddlers: an initial study investigating the early detection of autism and pervasive developmental disorders. J Autism Dev Disord. 2001, 31 (2): 131-144. 10.1023/A:1010738829569.
Article
CAS
PubMed
Google Scholar
Kuban KC, O'Shea TM, Allred EN, Tager-Flusberg H, Goldstein DJ, Leviton A: Positive screening on the Modified Checklist for Autism in Toddlers (M-CHAT) in extremely low gestational age newborns. J Pediatr. 2009, 154 (4): 535-40 e531. 10.1016/j.jpeds.2008.10.011.
Article
PubMed Central
PubMed
Google Scholar
Krug DA, Arick J, Almond P: Behavior checklist for identifying severely handicapped individuals with high levels of autistic behavior. J Child Psychol Psychiatry. 1980, 21 (3): 221-229. 10.1111/j.1469-7610.1980.tb01797.x.
Article
CAS
PubMed
Google Scholar
Fernell E, Gillberg C, von Wendt L: Autistic symptoms in children with infantile hydrocephalus. Acta Paediatr Scand. 1991, 80 (4): 451-457. 10.1111/j.1651-2227.1991.tb11881.x.
Article
CAS
PubMed
Google Scholar
Schopler E, Reichler RJ, DeVellis RF, Daly K: Toward objective classification of childhood autism: Childhood Autism Rating Scale (CARS). J Autism Dev Disord. 1980, 10 (1): 91-103. 10.1007/BF02408436.
Article
CAS
PubMed
Google Scholar
Lindquist B, Carlsson G, Persson EK, Uvebrant P: Behavioural problems and autism in children with hydrocephalus: a population-based study. Eur Child Adolesc Psychiatry. 2006, 15 (4): 214-219. 10.1007/s00787-006-0525-8.
Article
PubMed
Google Scholar
Berument SK, Rutter M, Lord C, Pickles A, Bailey A: Autism screening questionnaire: diagnostic validity. Br J Psychiatry. 1999, 175: 444-451. 10.1192/bjp.175.5.444.
Article
CAS
PubMed
Google Scholar
Clarke DF, Roberts W, Daraksan M, Dupuis A, McCabe J, Wood H, Snead OC, Weiss SK: The prevalence of autistic spectrum disorder in children surveyed in a tertiary care epilepsy clinic. Epilepsia. 2005, 46 (12): 1970-1977. 10.1111/j.1528-1167.2005.00343.x.
Article
PubMed
Google Scholar
Hendriksen JG, Vles JS: Neuropsychiatric disorders in males with duchenne muscular dystrophy: frequency rate of attention-deficit hyperactivity disorder (ADHD), autism spectrum disorder, and obsessive–compulsive disorder. J Child Neurol. 2008, 23 (5): 477-481.
Article
PubMed
Google Scholar
Lord C, Rutter M, Le Couteur A: Autism diagnostic interview-revised: a revised version of a diagnostic interview for caregivers of individuals with possible pervasive developmental disorders. J Autism Dev Disord. 1994, 24 (5): 659-685. 10.1007/BF02172145.
Article
CAS
PubMed
Google Scholar
Ekstrom AB, Hakenas-Plate L, Samuelsson L, Tulinius M, Wentz E: Autism spectrum conditions in myotonic dystrophy type 1: a study on 57 individuals with congenital and childhood forms. Am J Med Genet B Neuropsychiatr Genet. 2008, 147B (6): 918-926. 10.1002/ajmg.b.30698.
Article
PubMed
Google Scholar
Kilincaslan A, Mukaddes NM: Pervasive developmental disorders in individuals with cerebral palsy. Dev Med Child Neurol. 2009, 51 (4): 289-294. 10.1111/j.1469-8749.2008.03171.x.
Article
PubMed
Google Scholar
Kadesjo B, Gillberg C: The comorbidity of ADHD in the general population of Swedish school-age children. J Child Psychol Psychiatry. 2001, 42 (4): 487-492. 10.1111/1469-7610.00742.
Article
CAS
PubMed
Google Scholar
Levy SE, Giarelli E, Lee LC, Schieve LA, Kirby RS, Cunniff C, Nicholas J, Reaven J, Rice CE: Autism spectrum disorder and co-occurring developmental, psychiatric, and medical conditions among children in multiple populations of the United States. J Dev Behav Pediatr. 2010, 31 (4): 267-275. 10.1097/DBP.0b013e3181d5d03b.
Article
PubMed
Google Scholar
Klein-Tasman BP, Phillips KD, Lord C, Mervis CB, Gallo FJ: Overlap with the autism spectrum in young children with Williams syndrome. J Dev Behav Pediatr. 2009, 30 (4): 289-299. 10.1097/DBP.0b013e3181ad1f9a.
Article
PubMed Central
PubMed
Google Scholar
Gillberg C: The ESSENCE in child psychiatry: early symptomatic syndromes eliciting neurodevelopmental clinical examinations. Res Dev Disabil. 2010, 31 (6): 1543-1551. 10.1016/j.ridd.2010.06.002.
Article
PubMed
Google Scholar
Bax MC, Flodmark O, Tydeman C: Definition and classification of cerebral palsy. From syndrome toward disease. Dev Med Child Neurol Suppl. 2007, 109: 39-41.
Article
CAS
PubMed
Google Scholar
Dosreis S, Weiner CL, Johnson L, Newschaffer CJ: Autism spectrum disorder screening and management practices among general pediatric providers. J Dev Behav Pediatr. 2006, 27 (2 Suppl): S88-S94.
Article
PubMed
Google Scholar
Kadesjo B, Gillberg C, Hagberg B: Brief report: autism and Asperger syndrome in seven-year-old children: a total population study. J Autism Dev Disord. 1999, 29 (4): 327-331. 10.1023/A:1022115520317.
Article
CAS
PubMed
Google Scholar
Lesinskiene S: Children with Asperger syndrome: specific aspects of their drawings. Int J Circumpolar Health. 2002, 61 (Suppl 2): 90-96.
PubMed
Google Scholar
Mattila ML, Jussila K, Kuusikko S, Kielinen M, Linna SL, Ebeling H, Bloigu R, Joskitt L, Pauls D, Moilanen I: When does the Autism Spectrum Screening Questionnaire (ASSQ) predict autism spectrum disorders in primary school-aged children?. Eur Child Adolesc Psychiatry. 2009, 18 (8): 499-509. 10.1007/s00787-009-0044-5.
Article
PubMed
Google Scholar
Petersen DJ, Bilenberg N, Hoerder K, Gillberg C: The population prevalence of child psychiatric disorders in Danish 8- to 9-year-old children. Eur Child Adolesc Psychiatry. 2006, 15 (2): 71-78. 10.1007/s00787-006-0488-9.
Article
PubMed
Google Scholar
Webb E, Morey J, Thompsen W, Butler C, Barber M, Fraser WI: Prevalence of autistic spectrum disorder in children attending mainstream schools in a Welsh education authority. Dev Med Child Neurol. 2003, 45 (6): 377-384.
Article
CAS
PubMed
Google Scholar
Guo YQ, Tang Y, Rice C, Lee LC, Wang YF, Cubells JF: Validation of the Autism Spectrum Screening Questionnaire, Mandarin Chinese Version (CH-ASSQ) in Beijing. 2011, China, Autism
Google Scholar
Posserud MB, Lundervold AJ, Gillberg C: Validation of the autism spectrum screening questionnaire in a total population sample. J Autism Dev Disord. 2009, 39 (1): 126-134. 10.1007/s10803-008-0609-z.
Article
PubMed
Google Scholar
Wing L, Leekam SR, Libby SJ, Gould J, Larcombe M: The diagnostic interview for social and communication disorders: background, inter-rater reliability and clinical use. Journal of child psychology and psychiatry, and allied disciplines. 2002, 43 (3): 307-325. 10.1111/1469-7610.00023.
Article
PubMed
Google Scholar
Posserud B, Lundervold AJ, Steijnen MC, Verhoeven S, Stormark KM, Gillberg C: Factor analysis of the Autism spectrum screening questionnaire. Autism. 2008, 12 (1): 99-112. 10.1177/1362361307085268.
Article
PubMed
Google Scholar
Goodman R: The extended version of the Strengths and Difficulties Questionnaire as a guide to child psychiatric caseness and consequent burden. Journal of child psychology and psychiatry, and allied disciplines. 1999, 40 (5): 791-799. 10.1111/1469-7610.00494.
Article
CAS
PubMed
Google Scholar
Goodman R: Psychometric properties of the strengths and difficulties questionnaire. J Am Acad Child Adolesc Psychiatr. 2001, 40 (11): 1337-1345. 10.1097/00004583-200111000-00015.
Article
CAS
Google Scholar
Hysing M, Elgen I, Gillberg C, Lundervold AJ: Emotional and behavioural problems in subgroups of children with chronic illness: results from a large-scale population study. Child Care Health Dev. 2009, 35 (4): 527-533. 10.1111/j.1365-2214.2009.00967.x.
Article
CAS
PubMed
Google Scholar
Achenbach TM, McConaughy SH, Howell CT: Child/adolescent behavioral and emotional problems: implications of cross-informant correlations for situational specificity. Psychol Bull. 1987, 101 (2): 213-232.
Article
CAS
PubMed
Google Scholar
Kumpulainen K, Rasanen E, Henttonen I, Moilanen I, Piha J, Puura K, Tamminen T, Almqvist F: Children's behavioural/emotional problems: a comparison of parents' and teachers' reports for elementary school-aged children. Eur Child Adolesc Psychiatry. 1999, 8 (Suppl 4): 41-47.
Article
PubMed
Google Scholar
Munkvold L, Lundervold A, Lie SA, Manger T: Should there be separate parent and teacher-based categories of ODD? Evidence from a general population. J Child Psychol Psychiatry. 2009, 50 (10): 1264-1272. 10.1111/j.1469-7610.2009.02091.x.
Article
PubMed
Google Scholar
Posserud MB, Lundervold AJ, Gillberg C: Autistic features in a total population of 7-9-year-old children assessed by the ASSQ (Autism Spectrum Screening Questionnaire). J Child Psychol Psychiatry. 2006, 47 (2): 167-175. 10.1111/j.1469-7610.2005.01462.x.
Article
PubMed
Google Scholar
Mattila ML, Kielinen M, Jussila K, Linna SL, Bloigu R, Ebeling H, Moilanen I: An epidemiological and diagnostic study of Asperger syndrome according to four sets of diagnostic criteria. J Am Acad Child Adolesc Psychiatry. 2007, 46 (5): 636-646. 10.1097/chi.0b013e318033ff42.
Article
PubMed
Google Scholar
Huberty TJ, Austin JK, Harezlak J, Dunn DW, Ambrosius WT: Informant agreement in behavior ratings for children with epilepsy. Epilepsy Behav. 2000, 1 (6): 427-435. 10.1006/ebeh.2000.0119.
Article
PubMed
Google Scholar
Hysing M, Elgen I, Gillberg C, Lie S, Lundervold AJ: Chronic physical illness and mental health in children. Results from a large-scale population study. J Child Psychol Psychiatry. 2007, 48 (8): 785-792. 10.1111/j.1469-7610.2007.01755.x.
Article
PubMed
Google Scholar
Heiervang E, Stormark KM, Lundervold AJ, Heimann M, Goodman R, Posserud M-B, Ullebø AK, Plessen KJ, Bjelland I, Lie SA, et al: Psychiatric disorders in Norwegian 8- to 10-year-olds: an epidemiological survey of prevalence, risk factors, and service use. J Am Acad Child Adolesc Psychiatry. 2007, 46 (4): 438-447. 10.1097/chi.0b013e31803062bf.
Article
PubMed
Google Scholar
Stormark KM, Heiervang E, Heimann M, Lundervold A, Gillberg C: Predicting nonresponse bias from teacher ratings of mental health problems in primary school children. J Abnorm Child Psychol. 2008, 36 (3): 411-419. 10.1007/s10802-007-9187-3.
Article
PubMed
Google Scholar
Statistics Norway: Immigration and immigrants 2008. Statistical Analyses. 2009, Statistics Norway, Oslo
Google Scholar
Hysing M, Sivertsen B, Stormark KM, Elgen I, Lundervold AJ: Sleep in children with chronic illness, and the relation to emotional and behavioral problems–a population-based study. J Pediatr Psychol. 2009, 34 (6): 665-670. 10.1093/jpepsy/jsn095.
Article
PubMed
Google Scholar
DiGuiseppi C, Hepburn S, Davis JM, Fidler DJ, Hartway S, Lee NR, Miller L, Ruttenber M, Robinson C: Screening for autism spectrum disorders in children with Down syndrome: population prevalence and screening test characteristics. J Dev Behav Pediatr. 2010, 31 (3): 181-191. 10.1097/DBP.0b013e3181d5aa6d.
Article
PubMed Central
PubMed
Google Scholar
Cohen J: Statistical power analysis for the behavioral sciences. 1988, Lawrence Erlboum Associates, Hillsdale, NJ, 2
Google Scholar
Cohen J: A coefficient of agreement for nominal scales. Educ Psychol Meas. 1960, 20: 37-46. 10.1177/001316446002000104.
Article
Google Scholar
Fleiss JL: Statistical methods for rates and proportions. 1981, Wiley, New York, 2
Google Scholar