References
- Scheel Rasmussen I, Strandberg-Larsen K, Overbeck G, et al. A critical examination of Danish norms for the strengths and difficulties questionnaire (SDQ). Nord J Psychiatry. 2023;77(8):818–823. doi: 10.1080/08039488.2023.2250316.
- Arnfred J, Svendsen K, Rask C, et al. Danish norms for the strengths and difficulties questionnaire. Dan Med J. 2019;66(6):A5546.
- Niclasen J, Teasdale TW, Andersen A-MN, et al. Psychometric properties of the Danish strength and difficulties questionnaire: the SDQ assessed for more than 70,000 raters in four different cohorts. Plos ONE. 2012;7(2)
- Jacobsen TN, Nohr EA, Frydenberg M. Selection by socioeconomic factors into the Danish national birth cohort. Eur J Epidemiol. 2010;25(5):349–355. doi: 10.1007/s10654-010-9448-2.
- Heiervang E, Stormark KM, Lundervold AJ, 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. doi: 10.1097/chi.0b013e31803062bf.