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Table 3 P-values and r-squared values (in parentheses) obtained from multi factorial ANOVA models of the effect of sex, ELS, and 5-HTTLPR genotype on SLC6A4 methylation

From: New-born females show higher stress- and genotype-independent methylation of SLC6A4 than males

 

CpG site

Predictor in model

1

2

3

4

Mean across sites

Sex

3.9e-08 (0.302)

2.3e-09 (0.361)

1.2e-07 (0.288)

3.7e-08 (0.311)

7.5e-10 (0.371)

ELS

0.94 (0.000)

0.67 (0.004)

0.92 (0.001)

0.96 (0.000)

0.94 (0.001)

Genotype

0.12 (0.070)

0.47 (0.028)

0.95 (0.005)

0.72 (0.027)

0.75 (0.025)

Sex x ELS

0.76 (0.001)

0.33 (0.006)

0.78 (0.003)

0.56 (0.003)

0.63 (0.002)

Sex x Genotype

0.50 (0.011)

0.61 (0.008)

0.73 (0.004)

0.51 (0.011)

0.57 (0.008)

ELS x Genotype

0.79 (0.003)

0.41 (0.013)

0.44 (0.012)

0.74 (0.005)

0.52 (0.009)

  1. Significant p-values are shown in bold. ELS = early life stress; 5-HTTLPR genotype = SLC6A4-linked polymorphic region genotype.