The relative risk of smoking for migrants compared to the US-born group stratified by age at migration to the US by country of origin1.
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1Country of origin is country of birth, except for second generation migrants where it is the country of birth of the parents.22nd Generation: those born in the US whose parents are both foreign-born.3Variance between all available categories.4No smokers in this group.*Significant (p≤0.05).**Other Africa: Ghana, Kenya and South Africa.
创建时间：
2015-12-02
