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Table 1 Descriptive statistics

From: Prenatal versus postnatal sex steroid hormone effects on autistic traits in children at 18 to 24 months of age

  Combined group Girls Boys  
Variable n M SD Range n M SD Range n M SD range Cohen’s D
fT level (nmol/L)** 35 0.58 0.45 0.05 to 2.28 20 0.34 0.23 0.05 to 0.95 15 0.91 0.47 0.42 to 2.28 1.54
fE level (nmol/L) 35 0.28 0.18 0.14 to 1.15 20 0.24 0.08 0.14 to 0.45 15 0.34 0.25 0.18 to 1.15 0.54
pT level (nmol/L) 35 0.17 0.06 0.02 to 0.29 20 0.18 0.07 0.02 to 0.29 15 0.16 0.05 0.04 to 0.23 0.31
Gestational age (weeks) 35 16.70 1.47 13 to 21.2 19 16.62 0.90 15 to 18.1 14 16.82 2.04 13 to 21.2 0.13
Child age (months) 35 19.34 2.93 18 to 35 20 19.10 1.33 18 to 23 15 19.67 4.27 18 to 35 0.18
Maternal age (years) 35 36.54 4.74 21 to 46 20 37.75 3.84 33 to 46 15 34.93 5.44 21 to 45 0.60
Parental education (1–5) 35 3.41 0.90 1.5 to 5 20 3.30 0.89 1.5 to 4.5 15 3.57 0.92 2 to 5 0.30
Q-CHAT score** 35 27.03 8.62 10 to 43 20 23.95 8.62 10 to 43 15 31.13 6.94 14 to 40 0.92
  1. *Indicates raw values.
  2. * Sex difference is significant at the P <0.05 level.
  3. ** Sex difference is significant at the P <0.01 level.