From: Foetal testosterone and autistic traits in 18 to 24-month-old children
 | Combined group | Girls | Boys | Sex difference effect size (d) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Variable | n | Mean | SD | Range | r | n | Mean | SD | Range | r | n | Mean | SD | Range | r | |
FT levela, nmol/Lc | 129 | 0.59 | 0.41 | 0.05 to 2.28 | 0.40** | 63 | 0.34 | 0.27 | 0.05 to 1.12 | 0.31* | 66 | 0.82 | 0.42 | 0.15 to 2.28 | 0.36* | 1.36 |
FE levela, pmol/L | 129 | 307.12 | 186.29 | 108 to 1260 | 0.01 | 63 | 309.67 | 181.98 | 126 to 1260 | 0.06 | 66 | 304.70 | 191.68 | 108 to 1220 | -0.01 | 0.03 |
Gestational age | 120 | 16.92 | 1.83 | 13 to 26 | -0.13 | 60 | 17.01 | 1.62 | 15 to 22.3 | 0.06 | 60 | 16.83 | 2.03 | 13 to 26 | -0.25 | 0.10 |
Child age | 129 | 19.25 | 1.52 | 18 to 24 | -0.15 | 63 | 19.40 | 1.50 | 18 to 23 | 0.08 | 66 | 19.11 | 1.53 | 18 to 24 | -0.19 | 0.19 |
Maternal age | 129 | 35.67 | 4.21 | 21 to 46 | 0.06 | 63 | 35.81 | 4.26 | 24 to 46 | -0.01 | 66 | 35.53 | 4.18 | 21 to 45 | 0.14 | 0.07 |
Parental education | 127 | 3.56 | 1.05 | 1 to 5 | -0.02 | 61 | 3.58 | 1.05 | 1 to 5 | 0.12 | 66 | 3.54 | 1.06 | 1 to 5 | -0.13 | 0.04 |
Q-CHAT Scoreb | 129 | 26.55 | 7.08 | 10 to 43 | - | 63 | 24.94 | 6.52 | 10 to 43 | - | 66 | 28.09 | 7.30 | 14 to 43 | - | 0.46 |