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

Table 3 The association between maternal nativity and birth outcomes by family income: Taiwan Birth Cohort Study, 2005

Income	Nativity	Low birth weight								Preterm birth
		n	%	OR		95% CI	AOR^a		95% CI	n	%	OR		95% CI	AOR^b		95% CI
<NT$30,000	Taiwan-born	131	9.7	1.00			1.00			128	9.5	1.00			1.00
n = 2187	Foreign-born	33	4.0	0.38	***	0.26–0.57	0.24	***	0.14–0.42	52	6.2	0.63	**	0.45–0.89	0.63	*	0.40–0.99
NT$30,000–69,999	Taiwan-born	685	7.1	1.00			1.00			835	8.7	1.00			1.00
n = 11346	Foreign-born	94	5.6	0.77	*	0.62–0.96	0.77		0.58–1.03	122	7.2	0.82	*	0.67–1.00	0.68	**	0.53–0.88
NT$70,000+	Taiwan-born	395	6.1	1.00			1.00			505	7.9	1.00			1.00
n = 6557	Foreign-born	6	5.0	0.81		0.35–1.84	0.67		0.24–1.86	8	6.7	0.84		0.41–1.73	0.63		0.25–1.55

*p<0.05, **p<0.01, ***p<0.001.
AOR^ab : Adjusted odds ratio for infant sex, birth order, maternal age, singleton, place of residence, maternal education, smoking during pregnancy, pregnancy complications, first-time prenatal care, and number of prenatal visits.
1 US dollar equaled 32.167 New Taiwan dollars in 2005 [21].

ISSN: 1471-2393