J. Crow, T.J. Johnstone, E.C. Sacker, a. (September 1994) Childhood Antecedents of Schizophrenia and Affective Illness: Social Adjustment at ages 7 to 11.BMJ, 309:699-703. Teacher appraisal using the national child development study was utilized to examine differences...
"At the age of 7 children who developed schizophrenia were rated by their teachers as manifesting more social maladjustment than controls (overall score 4.3 (SD 2.4) v 3.1 (2.0); P