TABLE 5

Multiple Linear-Regression Analysis to Determine Independent Factors Associated With DQ (N = 342)

CoefficientaCIP
Gestational age, wk
    320
    30–31−3−7 to 0.08
    28–29−1−5 to 3.58
    26–27−4−9 to 1.13
    24–25−11−20 to −1.03
Gender
    Female0
    Male−4−7 to −1<.01
SGA
    No0
    Yes−4−9 to 1.15
Highest parental occupation
    Intellectual-intermediate0
    Worker-employee−7−10 to −4<.01
    Unemployed−14−20 to −8<.01
Hypertension
    No0
    Yes40 to 7.04
Severe cerebral ultrasound abnormalities
    No0
    Yes−14−20 to −8<.01
Mechanical ventilation
    No0
    Yes−4−7 to −1<.01
Breastfeeding at discharge
    Yes0
    No−4−8 to 0.02
  • CI indicates confidence interval.

  • a Coefficient assigned to the variable.