TABLE 5

Logistic Regression of Late-Talking Status (<10th Centile on CDI Vocabulary Production) at 24 Months (N = 1570)

VariableOR95% CIP
Female gender0.860.66 to 1.12.26
Twin birth0.660.19 to 2.26.51
Preterm birth (<36 wk)1.160.44 to 3.00.77
Birth weight, kg0.920.70 to 1.21.54
Birth order (first child reference).06
    Second child1.160.85 to 1.58
    Third child1.811.21 to 2.71
    Fourth child1.690.71 to 4.04
    Fifth child or more0.660.06 to 6.97
Non-English-speaking background2.481.33 to 4.61.004
SEIFA disadvantage (1st quintile reference).24
    2nd quintile1.170.62 to 2.19
    3rd quintile0.740.44 to 1.26
    4th quintile1.010.60 to 1.68
    5th quintile (least disadvantaged)0.770.44 to 1.37
Family history of speech/language difficulties1.581.18 to 2.11.002
Maternal mental health1.010.76 to 1.34.96
Maternal vocabulary score0.980.95 to 1.01.18
Maternal education (≤12 y reference).04
    13 y0.620.44 to 0.87
    University degree0.670.45 to 0.99
    Postgraduate degree0.670.42 to 1.05
Maternal age at birth of child, y1.020.99 to 1.05.27
  • OR indicates odds ratio.