Table 2.

The low- and high-MaternalEd groups were matched with respect to age, hearing thresholds (pure tone average for right and left ear), and birth weight

Low-MaternalEdHigh-MaternalEdtSignificance (two-tailed)
Age (years)Mean, 14.52; SD, 0.51Mean, 14.58; SD, 0.50−0.490.63
Hearing thresholds, (dB hearing level)Mean, 6.79; SD, 4.55Mean, 5.55; SD, 4.771.080.28
Birth weight (lb)aMean, 7.15; SD, 1.22Mean, 7.47; SD, 1.48−0.850.40
  • aInformation not available on 11 participants.