Skip to main content

Table 1 Weight according to gender and age for children exclusively breastfed compared with the standards

From: Anthropometric indices and exclusive breastfeeding in the first six months of life: a comparison with reference standards NCHS, 1977 and WHO, 2006

Age (months) Boys (mean weight, g) Girls (mean weight, g)
Number Observed (±SD) NCHS,1977 (p-value)* WHO,2006 (p-value)* Number Observed (±SD) NCHS,1977 (p-value)* WHO,2006 (p-value)*
Newborn 176 3272 (360) 3300 (0.532) 3300 (0.532) 184 3212 (352) 3200 (0.436) 3200 (0.436)
One 29 4446 (466) 4300 (0.152) 4500 (0.432) 31 4063 (465) 4000 (0.444) 4200 (0.134)
Two 25 5471 (406) 5200 (0.016) 5600 (0.048) 35 5353 (513) 4700 (<0.001) 5100 (0.017)
Three 27 6821 (840) 6000 (<0.001) 6400 (0.013) 33 6171 (736) 5400 (<0.001) 5800 (0.016)
Four 34 7446 (661) 6700 (<0.001) 7000 (0.008) 26 6578 (740) 6000 (0.001) 6400 (0.150)
Five 27 7680 (956) 7300 (0.114) 7500 (0.413) 33 7041 (879) 6700 (0.063) 6900 (0.494)
Six 34 8167 (694) 7800 (0.073) 7900 (0.262) 26 8086 (832) 7200 (<0.001) 7300 (0.001)
  1. g Grams, SD Standard deviations
  2. * Student’s t-test for comparison between two means