TABLE 3

Associations of Potential Confounders and Mediators With Child Cognition and Behavior: Ordinal OR for Being in a Higher Quintile

Nonverbal SkillsSentence LengthWord ProductionBehavioral Problems
OR95% CIPOR95% CIPOR95% CIPOR95% CIP
ALSPACa
    Maternal education nondegree (vs degree)1.080.93–1.25.30.510.44–0.58<.0010.900.79–1.03.11.501.31–1.71<.001
    Paternal education nondegree (vs degree)1.110.97–1.28.10.520.46–0.59<.0010.850.76–0.96.0071.461.30–1.64<.001
    Income lowest quartile (vs rest)1.030.86–1.24.70.650.57–0.75<.0010.940.81–1.08.41.881.64–2.16<.001
    Social class manual (vs nonmanual)1.210.99–1.47.060.510.43–0.59<.0010.920.78–1.07.31.591.37–1.84<.001
    Maternal smoking yes (vs no)0.960.81–1.15.70.840.73–0.96.010.880.77–1.01.071.611.41–1.84<.001
    Breastfeeding yes (vs no)0.810.67–0.97.021.701.47–1.97<.0011.251.08–1.45.0030.720.62–0.83<.001
Generation Rb
    Maternal education nondegree (vs degree)1.070.92–1.24.40.670.57–0.77<.0010.910.79–1.05.21.291.10–1.51.001
    Paternal education nondegree (vs degree)1.040.90–1.21.60.730.64–0.85<.0010.830.72–0.96.011.291.10–1.51.001
    Income lowest quartile (vs rest)1.120.90–1.41.30.430.35–0.54<.0010.650.51–0.82<.0012.051.60–2.62<.001
    Maternal smoking yes (vs no)1.090.90–1.31.40.740.62–0.88.0010.900.75–1.08.31.331.10–1.61.003
    Breastfeeding yes (vs no)1.110.94–1.32.21.441.23–1.69<.0011.321.12–1.55.0010.810.68–0.96.02
  • a n = 3221, nonverbal; 4658, sentence length; 4712, word production; 4873, behavioral problems.

  • b n = 2258, nonverbal; 2398, sentence length; 2385, word production; 2046, behavioral problems.