Skip to main content

Table 1 Sample characteristics

From: Early sex differences are not autism-specific: A Baby Siblings Research Consortium (BSRC) study

  High-risk High-risk Low-risk
Variable ASD (n = 252) Non-ASD (n = 989) Non-ASD (n = 583)
Sex (% male) 76.6 52.7 50.8
Age first seen (months) 7.62 (3.58) 7.39 (3.46) 6.85 (2.94)
Age at outcome (months) 37.13 (2.06) 36.97 (1.97) 36.97 (2.18)
Proband sex (% male) 80.7 83.8
Multiplex (%) 15.3 5.6
Non-Caucasian (%) 17.6 15.3 14.2
Maternal education (% H.S.) 11.9 7.1 4.0
Paternal education (% H.S.) 16.3 11.1 9.3
  1. H.S. high school: schooling terminated at or before high school completion