Table 4.

Final Linear Model With Development of Verbal Comprehension (Reynell) as Dependent Variable at 12 Months' Follow-Up

CovariableEstimateSEP Value
Intercept−.19.67
Treatment effect
 Watchful waiting−.71.53.18
 Ventilation tubes (reference)
Language at T = 0−.53.11.0001
Educational level mother
 High.86.65.19
 Middle (reference)
 Low−2.10.65.002
IQ of the child
 High2.92.83.0006
 Middle2.86.68.0001
 Low (reference)
  • * n = 173; 86 children in the WW group and 87 in the VT group.