TABLE 2

Anthropomorphic Characteristics and Bivariate Analyses According to Bottle Size

VariableOverall (N = 386)Small Bottle (n = 208)aLarge Bottle (n = 171)a
Birth weight3.2 ± 0.63.2 ± 0.53.3 ± 0.6
Birth WLZ−0.52 ± 1.1−0.6 ± 1.2−0.5 ± 1.1
Weight at 2 mo, kg*5.3 ± 0.85.1 ± 0.75.4 ± 0.8
WAZ at 2 mo−0.31 ± 0.96−0.38 ± 1.1−0.20 ± 1.2
WLZ at 2 mo0.27 ± 1.10.19 ± 1.10.36 ± 1.2
Weight at 6 mo, kg*8.0 ± 1.07.8 ± 0.98.2 ± 1.0
WAZ at 6 mo*0.11 ± 0.99−0.07 ± 0.910.37 ± 1.02
WLZ at 6 mo*0.24 ± 1.040.11 ± 1.050.44 ± 1.00
  • Data are presented as mean ± SD.

  • a n = 379 for bottle size due to missing data.

  • * P < .05.