Adolescents who were of low socioeconomic status had a 2.2-fold increased risk of developing intestinal type gastric cancer.

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。

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Children who were homozygous for the Arg16 allele and were exposed to two or more smokers had a 5-fold increased risk of lifetime wheeze.

Arg16等位基因纯合型的孩子同时家中有2个甚至更多的吸烟者的有多5倍的终生喘鸣的风险。

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In contrast, diabetics who had taken insulin or insulin secretagogues had a 4.99 - and 2.52-fold increased risk for the disease, respectively, compared with never users.

对比从未使用胰岛素或胰岛素促泌素糖尿病患者，使用者分别增加了4.99和2.52倍的患病风险。

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"They found that men can experience up to a three-fold increased risk of stroke, and that risk seemed to be well correlated with the severity of sleep apnea."

VOA: special.2011.05.04

"This two-fold increased risk went away when we looked only at women who breast-fed, " Ursin says.

NPR: Study: Breast-Feeding Decreases Cancer Risk

The third of the subjects with the highest urinary cortisol had a five-fold increased risk of dying of cardiovascular disease.

BBC: Stress hormone heart death link

The European Medicines Agency said in July studies had shown a six to 13-fold increased risk of narcolepsy in children and adolescents vaccinated with Pandemrix compared with unvaccinated children.

BBC: Narcolepsy link to swine flu vaccine investigated