Adverse birth outcomes among native-born and foreign-born mothers in Taiwan: A population-based birth cohort study

Table 2 Birth outcomes of infants by maternal nativity: Taiwan Birth Cohort Study, 2005

Birth outcome	Taiwan	China	Southeast Asia	p
Mean birth weight	3102±448.6	3218±456.0	3094±412.3
mean ± SD (g)	3102±448.6	3218±456.0	3094±412.3
Low birth weight	6.9	4.7^a	5.2^c	0.001^d
(<2500 g), %	6.9	4.7^a	5.2^c	0.001^d
Mean gestational age	38±1.6	39±1.6	39±1.6
mean ± SD (wk)	38±1.6	39±1.6	39±1.6
Preterm birth (<37 wk), %	8.4	6.3^a	7.2	0.02

p: test for proportion.
^aSignificant difference at 0.05 level between Taiwan-born and China-born mothers.
^bSignificant difference at 0.05 level between China-born and Southeast Asia-born mothers.
^cSignificant difference at 0.05 level between Taiwan-born and Southeast Asia-born mothers.
^dSignificant after Bonferroni correction. By Bonferroni correction test, a p value of < 0.0167 was regarded as significant.

ISSN: 1471-2393