Skip to main content
. Author manuscript; available in PMC: 2020 Jan 1.
Published in final edited form as: Environ Res. 2018 Sep 7;168:118–129. doi: 10.1016/j.envres.2018.09.006

Table 3.

Descriptive statistics of infant parameters associated with placentae from Hamilton County, TN.

Mean SD Median Minimum Maximum Range n
Birth Weight
(g)
2969 577.9 2942 1655 4472 2817 374
Birth Weight
Centile (%)
38.4 30.8 30.8 0.1 100 99.9 374
Placental
Weight (g)
576.6 135.7 562 306 1005 699 238a
Head
Circumference
(cm)
34.6 17.4 33 13.5 337 324 317 a
Birth Length
(cm)
49.3 3.8 50 20 59.3 39.3 324 a
Gestational
Age (days)
266 13 268 236 299 63 374
Maternal Age
(years)
25.9 5.5 25 18 47 29 374
a)

Data missing from placental weight, head circumference and birth length compared to the original sample size due to incomplete clinical records.