| Summary: | <p>Abstract</p> <p>Background</p> <p>The number of children born to foreign-born mothers in Taiwan has significantly increased since the 1990s. These foreign-born mothers are mainly from China and Southeast Asia. Children born to foreign-born mothers, according to media reports, are subject to inferior health. This study sought to determine whether socioeconomic disparities in birth outcomes exist between native and foreign-born mothers in Taiwan.</p> <p>Methods</p> <p>Analysis data were obtained from the Taiwan Birth Cohort Study of 20,090 nationally representative 6-month-old babies, born in 2005. The data on the babies were divided into two groups, those of foreign-born mothers and those of Taiwanese mothers. The health outcome variables that were examined included two adverse birth outcomes: low birth weight and preterm birth. Multiple logistic regression was used to examine the association between income and foreign-born status, as well as birth outcomes among both groups.</p> <p>Results</p> <p>Children of native Taiwanese mothers had a higher prevalence of low birth weight (6.9%) than did children of China-born (4.7%) and Southeast Asia-born mothers (5.2%). The prevalence of preterm birth was also higher among children of native Taiwanese mothers (8.4%) than among children of Southeast Asia-born (7.2%) and China-born mothers (6.3%). Foreign-born status was associated with lower odds of low birth weight among families with a monthly family income < NT$30,000 (adjusted odds ratio (AOR) = 0.24, 95% confidence interval (CI) = 0.14–0.42, <it>p</it> < 0.001), and lower odds of preterm birth among families with a monthly family income < NT$30,000 and NT$30,000–69,999 (AOR = 0.63, CI = 0.40–0.99, <it>p</it> < 0.05, and AOR = 0.68, CI = 0.53–0.88, <it>p</it> < 0.01, respectively). Having a higher monthly family income (NT$70,000+ and NT$30,000–69,999) was associated with lower odds of low birth weight (AOR = 0.59, CI = 0.46–0.77, <it>p</it> < 0.001 and AOR = 0.75, CI = 0.60–0.94, <it>p</it> < 0.05, respectively) among Taiwanese mothers, but not among foreign-born mothers.</p> <p>Conclusion</p> <p>Foreign-born mothers from China and Southeast Asia did not experience worse birth outcomes than native Taiwanese mothers did, regardless of the disadvantaged socioeconomic position of their families.</p>
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