From that book by E. F. Torrey I keep touting (see below):
Circumstance / factor . . . . . . . . . . . . . . . . . . chance of being dx’d with sz
Mother was diagnosed (“dx’d”) with sz . . . . . . . . . . . . . . . . . . . . 9.3 / 100*
Father was diagnosed with sz . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2 / 100
Sibling was diagnosed with sz . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 / 100
Immigration from or to certain specific countries . . . . . . . . . . . . . 2.3 / 100
Being the child of one who was born in the new country . . . . . . . . 4.5 / 100
Father was 55 or older at time of sz patient’s birth . . . . . . . . 2.2 - 5.9 / 100
Patient uses marijuana . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.1 - 2.9 / 100
Patient is from an urban area . . . . . . . . . . . . . . . . . . . . . . . 2.2 - 2.8 / 100
Patient has antibodies to toxoplasmosa gondii & past infection . . .2.7 / 100
Patient has minor physical anomalies . . . . . . . . . . . . . . . . . . . . .2.2 / 100
Patient has history of one or more traumatic brain injuries . . . . . . 1.7 / 100
Patient was sexually abused in childhood . . . . . . . . . . . . . . . . . .1.3 / 100
Mother had complications during pregnancy . . . . . . . . . . . . 1.3 - 1.4 / 100
Patient has specific, genetic polymorphisms . . . . . . . . . . . .1.1 - 1.2 / 100
Patient was born in winter or spring . . . . . . . . . . . . . . . . . . . . . . 1.1 / 100
Patient’s mother was pregnant during a flu epidemic . . . . . . . . . . 1.1 / 100
*people who have been dx’d with sz
with a machine gun 
!?!
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