What statistical term applies to each of the boldface numbers in the following quotes? Your options for each are odds, individual risk, and relative risk. 1. "In 2021, 8% of young adults used a hallucinogen in the past year, an all-time high, that study found. In comparison, only 5% of young adults reported using a hallucinogen in the past year in 2016, while only 3% used one in 2011." 2. In a sample cohort of older US adults it was found that those who didn't get their flu vaccinations were 1.4 times as likely than those who did get their vaccination to develop Alzheimer's disease. 3. "One-in-four U.S. parents say they've struggled to afford food or housing in the past year"
Let's analyze each of the quotes to determine which statistical term applies to the boldface numbers:
1 "In 2021, 8% of young adults used a hallucinogen in the past year, an all-time high, that study found. In comparison, only 5% of young adults reported using a hallucinogen in the past year in 2016, while only 3% used one in 2011."
The boldface numbers in this quote represent the prevalence of young adults using hallucinogens in different years. These numbers represent the individual risk of using hallucinogens in a specific year.
2 "In a sample cohort of older US adults, it was found that those who didn't get their flu vaccinations were 1.4 times as likely than those who did get their vaccination to develop Alzheimer's disease."
The boldface number "1.4 times" represents the relative risk of developing Alzheimer's disease for older US adults who didn't get their flu vaccinations compared to those who did.
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