Table 3

Hierarchical linear models of 5-HTTLPR × daily life stress interactions: allele coding
Internalizing symptomst Fear symptomst Distress symptomst Externalizing symptomst
Predictors b SE P b SE P b SE P b SE P
For overall intercept, π0
Intercept, β00 16.71 0.86 <0.001 6.62 0.31 <0.001 10.09 0.57 <0.001 10.05 0.39 <0.001
Gender, β01 -1.96 1.11 0.079 -0.32 0.44 0.470 -1.63 0.70 0.020 -0.22 0.23 0.345
5-HTTLPR, β03 1.48 0.97 0.132 0.61 0.37 0.109 0.87 0.64 0.178 -0.01 0.37 0.967
For stresst slope, π1
Intercept, β10 0.62 0.23 0.008 0.10 0.08 0.194 0.54 0.17 0.002 0.05 0.08 0.485
Gender, β11 -0.84 0.30 0.006 -0.26 0.12 0.029 -0.59 0.22 0.009 0.09 0.12 0.466
5-HTTLPR, β12 1.20 0.32 <0.001 0.41 0.12 <0.001 0.75 0.24 0.003 0.16 0.09 0.079
For symptomt-1 slope, π2
Intercept, β20 0.10 0.03 0.003 0.07 0.04 0.060 0.14 0.03 <0.001 0.01 0.05 0.757

Note. For gender, male = 1, female = 0. 5-HTTLPR represents the contrast between S allele carriers and L allele homozygotes, with S allele carriers coded as 1 and LL as 0. SE, standard error.

Conway et al.

Conway et al. Biology of Mood & Anxiety Disorders 2014 4:2   doi:10.1186/2045-5380-4-2

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