Interaction Effects of Season of Birth and Cytokine Genes on Schizotypal Traits in the General Population
Table 3
Means and SD of the SPQ total score by SOB and genotypes.
Polymorphism
Winter SOB
Nonwinter SOB
IL1B rs16944
CC homozygotes
16.64 11.24
T allele carriers
18.69 8.95
CC homozygotes
17.76 11.64
T allele carriers
17.64 10.77
IL4 rs2243250
CC homozygotes
19.53 9.73
T allele carriers
13.00 9.35
CC homozygotes
17.20 11.26
T allele carriers
18.54 11.03
IL-1RN VNTR
Allele 2 noncarriers 16.79 10.48
Allele 2 carriers
18.38 9.77
Allele 2 noncarriers 17.64 11.41
Allele 2 carriers
17.74 11.02
Note. SPQ: Schizotypal Personality Questionnaire; SOB: season of birth. The effect of the IL4 X SOB interaction on the SPQ total score is significant, .
