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Table 2 Correlations of Q-CHAT scores to predictor and control variables

From: No relationship between early postnatal testosterone concentrations and autistic traits in 18 to 30-month-old children

  Boys Girls All
  n r p n r p n r p
Testosterone at mini-puberty 39 .07 .684 47 .03 .827 86 .11 .323
Birth weight 40 .03 .877 47 −.23 .121 87 −.11 .305
Child’s age at saliva sampling 40 .27 .084 47 −.06 .674 87 .04 .738
Child’s age at Q-CHAT assessment 40 −.14 .380 47 −.17 .243 87 −.15 .164
Maternal age 40 .15 .365 46 .08 .614 86 .12 .293
Paternal age 39 −.02 .885 46 .22 .136 85 .13 .243
Maternal education 40 −.03 .865 47 −.12 .418 87 −.08 .469
Paternal education 40 −.03 867 47 −.12 421 87 −.11 .328
Number of siblings 40 −.08 .632 47 .08 .599 87 .00 .980