Table 2 Newborn birth weight distribution (N = 15,980)
\( \overline{x}\pm s \) | Grouped by birth weight | Grouped by birth weight and gestational age | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
< 2500 g | 2500 ~ 4000 g | > 4000 g | SGA | AGA | LGA | ||||||||
n | % | n | % | n | % | n | % | n | % | n | % | ||
Area | |||||||||||||
Urban | 3339.2 ± 461.6 | 607 | 3.8 | 14,542 | 91.0 | 831 | 5.2 | 1998 | 12.5 | 12,464 | 78.0 | 1518 | 9.5 |
Rural | 3230.7 ± 451.0 | 943 | 5.9 | 14,462 | 90.5 | 575 | 3.6 | 2493 | 15.6 | 12,400 | 77.6 | 1087 | 6.8 |
Region | |||||||||||||
Southern Shaanxi Region | 3263.7 ± 453.3 | 783 | 4.9 | 14,526 | 90.9 | 671 | 4.2 | 2397 | 15.0 | 12,353 | 77.3 | 1230 | 7.7 |
Northern Shaanxi Region | 3290.3 ± 464.7 | 943 | 5.9 | 14,366 | 89.9 | 671 | 4.2 | 2525 | 15.8 | 12,400 | 77.6 | 1055 | 6.6 |
Middle Shaanxi Region | 3252.6 ± 450.9 | 703 | 4.4 | 14,542 | 91.0 | 735 | 4.6 | 1966 | 12.3 | 12,752 | 79.8 | 1262 | 7.9 |
Total | 3279.9 ± 454.6 | 783 | 4.9 | 14,494 | 90.7 | 703 | 4.4 | 2349 | 14.7 | 12,417 | 77.7 | 1214 | 7.6 |