Table 1.
Domain | Potentially Predictive Variables | Most Predictive Variable |
---|---|---|
Neuropsychology | Sustained attention, verbal learning and memory, semantic and phonological fluency, spatial working memory, and motor speed22 | Semantic verbal fluency |
Clinical variables | All items of the SIPS23 | Item “social anhedonia and withdrawal” |
Environmental factors | Ethnicity, urbanicity, head trauma, CNS infection, intrauterine or perinatal complications, unemployment, and receiving state benefits24 | Urbanicity |
Premorbid adjustment | All items of the PAS24 | Social-sexual aspects of life during early adolescence (age: 12–15) and premorbid social-personal adjustment (highest level ever attained) |
Neurophysiology | N100, N200, N2b, P200, and P30025 | Parietal P300 amplitude |
Note: DUPS, Dutch Prediction of Psychosis Study; SIPS, Structured Interview for Prodromal Syndromes; CNS, central nervous system; PAS, Premorbid Adjustment Scale.