TABLE 3

Gestational Length (Term Versus Late Preterm) and Its Unadjusted/Adjusted Association With Teacher-Reported Behavioral Problems (Age 6)

TermLate PretermMean Difference: Late Preterm to Term (95% CI)aUnadjusted OR (95% CI)aOR (95% CI)b
Behavioral problems (continuous), mean (SE)
    Internalizing
        Unadjusted47.99 (0.80)51.58 (0.80)3.59 (1.36 to 5.82)c
        Adjusted48.23 (0.82)52.01 (0.82)3.77 (1.56 to 6.00)c
    Externalizing
        Unadjusted50.85 (0.76)52.89 (0.76)2.04 (−0.07 to 4.16)d
        Adjusted50.65 (0.76)52.73 (0.76)2.08 (0.02 to 4.14)c
    Attention problems, mean (SE)
        Unadjusted7.60 (0.72)9.84 (0.72)2.23 (0.22 to 4.25)c
        Adjusted7.76 (0.70)10.13 (0.70)2.37 (0.48 to 4.27)c
Behavioral problems (categorical), n (%)
    Internalizing
        Normal (reference)149 (89)130 (77)
        Borderline/clinical19 (11)38 (23)2.29 (1.25 to 4.19)c2.35 (1.28 to 4.32)c
    Externalizing
        Normal (reference)143 (85)139 (83)
        Borderline/clinical25 (15)29 (17)1.19 (0.66 to 2.16)1.24 (0.67 to 2.32)
    Attention problems
        Normal (reference)135 (80)119 (71)
        Borderline/clinical33 (20)49 (29)1.68 (1.01 to 2.80)c1.76 (1.04 to 3.00)c
  • a The linear mixed model was adjusted for residential setting, maternal IQ, maternal education, marital status, and child sex.

  • b The multinomial model was adjusted for residential setting, maternal IQ, maternal education, marital status, and child sex.

  • c P < .05.

  • d P < .10.