TABLE 2

Birth and Infancy Characteristics: Bivariate Multinomial Logistic Regressions With Weight Status in Children Aged 2 to 5 Years, NHANES 1999–2014

n (%)aNW (<85th Percentile), n = 3907OW (85th Percentile–94.9th Percentile), n = 676Obesity (≥95th Percentile–1.2 × 95th Percentile), n = 510SO (≥1.2 × 95th Percentile), n = 123
n (%)ORb (95% CI)n (%)OR (95% CI)n (%)OR (95% CI)n (%)OR (95% CI)
Low birth wt (<2500 g)678 (8.5)561 (9.3)Ref57 (5.2)0.6* (0.4 to 0.9)45 (5.8)0.7 (0.4 to 1.5)15 (12.2)1.0 (0.5 to 2.0)
Normal birth wt (2500–4000 g)5598 (81.8)4219 (82.2)Ref746 (82.6)Ref511 (77.9)Ref122 (78.6)Ref
HBW (>4000 g)591 (9.7)391 (8.5)Ref98 (12.2)1.2 (0.9 to 1.7)100 (16.3)2.0* (1.5 to 2.8)17 (9.2)1.1 (0.5 to 2.4)
Mother smoked during pregnancy928 (16.5)677 (14.0)Ref126 (15.0)1.1 (0.8 to 1.4)103 (18.2)1.4* (1.0 to 1.9)22 (20.8)1.6 (0.9 to 2.8)
Never breastfed2430 (30.7)1777 (29.3)Ref328 (31.3)1.1 (0.9 to 1.3)255 (38.9)1.5* (1.2 to 2.0)70 (44.0)1.9* (1.3 to 2.8)
  • Ref, reference.

  • a All N’s and n’s listed are unweighted (raw) and all proportions are survey-weighted.

  • b Unadjusted ORs from multinomial logistic regression.

  • * P < .05.