Question 1

Which of the following best defines 'severe obesity' according to the report on adult obesity prevalence in the United States from August 2021 to August 2023?

Accepted Answer

A body mass index (BMI) greater than or equal to 40.

Question 2

According to the data, which age group had the highest prevalence of obesity among adults in the United States during August 2021–August 2023?

Accepted Answer

Adults aged 40–59 years.

Question 3

If a person weighs 90 kg and is 1.7 meters tall, what is their BMI? Use the formula $$ BMI = \frac{	ext{weight (kg)}}{	ext{height (m)}^2} .$$

Accepted Answer

$$ BMI = \frac{90}{(1.7)^2$} = 31.14 $$

Question 4

Which of the following statements about the trends in obesity and severe obesity in adults from 2013–2014 through August 2023 is correct?

Accepted Answer

The age-adjusted prevalence of obesity did not change significantly.

Question 5

A public health official wants to target the group with the lowest prevalence of obesity for a new prevention campaign. Based on the data, which group should they focus on?

Accepted Answer

Adults with a bachelor’s degree or more.

Question 6

Which of the following is a limitation of using BMI as a measure of obesity, as discussed in the report?

Accepted Answer

BMI does not directly measure body fat.

Question 7

During August 2021–August 2023, what was the overall prevalence of obesity among adults in the United States?

Accepted Answer

40.3%

Question 8

Which of the following best describes the difference in severe obesity prevalence between men and women during August 2021–August 2023?

Accepted Answer

Severe obesity was higher in women (12.1%) than in men (6.7%).

Question 9

A 55-year-old woman with a BMI of 41 would be classified as which of the following?

Accepted Answer

Severely obese

Question 10

Which of the following statements is supported by the data regarding the relationship between education level and obesity prevalence?

Accepted Answer

Obesity prevalence is lowest among adults with a bachelor’s degree or more.

Question 11

If the prevalence of obesity among adults aged 20–39 is 39.2% and among those aged 40–59 is 44.9%, what is the difference in prevalence between these two age groups?

Accepted Answer

$$ 44.9\% - 39.2\% = 5.7\% $$

Question 12

Which of the following is NOT a reason why monitoring obesity prevalence is important, according to the report?

Accepted Answer

It is required for all insurance claims.

Question 13

A 45-year-old man has a BMI of 32. According to the report, how would he be classified?

Accepted Answer

Obese

Question 14

Which of the following best describes the trend in severe obesity among adults from 2013–2014 to August 2023?

Accepted Answer

The age-adjusted prevalence of severe obesity increased from 7.7% to 9.7%.

Question 15

Which of the following is a correct interpretation of the data regarding sex differences in obesity prevalence?

Accepted Answer

There were no significant differences in obesity prevalence between men and women.

Question 16

A 65-year-old woman with a BMI of 29 would be classified as which of the following?

Accepted Answer

Overweight

Question 17

Which of the following best describes the relationship between age and severe obesity prevalence among women?

Accepted Answer

Severe obesity prevalence was highest in women aged 40–59.

Question 18

If a public health intervention reduced the prevalence of severe obesity in men from 6.7% to 5.0%, what would be the percentage decrease? Use the formula $$ 	ext{Percentage Decrease} = \frac{	ext{Old Value} - 	ext{New Value}}{	ext{Old Value}} 	imes 100\% .$$

Accepted Answer

$$ \frac{6.7 - 5.0}{6.7} 	imes 100\% = 25.4\% $$

Question 19

Which of the following is true regarding the Healthy People 2030 goal for adult obesity?

Accepted Answer

The goal is to reduce the prevalence of obesity to 36.0%.

Question 20

Which of the following best explains why BMI is still used in large-scale health surveys despite its limitations?

Accepted Answer

BMI is a simple and inexpensive screening tool for conditions that may increase the risk of certain chronic diseases.

Obesity and Severe Obesity Prevalence in U.S. Adults (2021–2023): Trends, Demographics, and Health Implications

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