该研究表明，社会经济地位低的黑人和妇女的人数明显高于白人和男性。
The study showed significantly higher Numbers of blacks and women in lower socioeconomic positions than whites and men.
社会经济地位低的未成年人在以后患肠型胃癌的概率高出2.2倍。
Adolescents who were of low socioeconomic status had a 2.2-fold increased risk of developing intestinal type gastric cancer.
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