risk factor

American  

noun

1. a condition, behavior, or other factor that increases risk.

   Smoking is a major risk factor for cancer;

   depression as a risk factor in suicide.

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risk factor British  

noun

1. med a factor, such as a habit or an environmental condition, that predisposes an individual to develop a particular disease

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Etymology

Origin of risk factor

First recorded in 1945–50

Example Sentences

"That is deemed to be an improvement in the risk factor."

From Barron's • Mar. 29, 2026

"Recognising loot boxes as a risk factor in age ratings is an important step towards reflecting the realities of modern game design, helping to provide parents with clearer signals about potential harms," she said.

From BBC • Mar. 13, 2026

A hawkish reaction from central banks is another risk factor.

From The Wall Street Journal • Mar. 9, 2026

The typical “Western” diet, involving lots of refined carbs and the like, may be a risk factor in dementia.

From MarketWatch • Feb. 11, 2026

“Not you. He was investigating Ethan and the community project at the mission. Making sure the risk factor was minimal.”

From "The Adoration of Jenna Fox" by Mary E. Pearson