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Chapter 2: Problem 27

Use data on college students collected from the American College Health Association-National College Health Assessment survey \(^{18}\) conducted in Fall 2011 . The survey was administered at 44 colleges and universities representing a broad assortment of types of schools and representing all major regions of the country. At each school, the survey was administered to either all students or a random sample of students, and more than 27,000 students participated in the survey. Binge Drinking Students in the ACHANCHA survey were asked, "Within the last two weeks, how many times have you had five or more drinks of alcohol at a sitting?" The results are given in Table \(2.13 .\) Table 2.13 In the last two weeks, how many times have you had five or more drinks of alcohol? $$\begin{array}{l|rr|r}\hline & \text { Male } & \text { Female } & \text { Total } \\\\\hline 0 & 5402 & 13,310 & 18,712 \\\1-2 & 2147 & 3678 & 5825 \\\3-4 & 912 & 966 & 1878 \\\5+ & 495 & 358 & 853 \\\\\hline \text { Total } & 8956 & 18,312 & 27,268 \\\\\hline\end{array}$$ (a) What percent of all respondents answered zero? (b) Of the students who answered five or more days, what percent are male? (c) What percent of males report having five or more drinks at a sitting on three or more days in the last two weeks? (d) What percent of females report having five or more drinks at a sitting on three or more days in the last two weeks?

Short Answer

Expert verified
Accordingly, the answers are: (a) Approx. 68.7%, (b) Approx. 58.03%, (c) Approx. 15.72%, (d) Approx. 7.23%

Step by step solution

01

Compute Total Number of Respondents

To begin with, the total number of respondents is needed to calculate the percentages. Looking at the end of the table, it can be seen that the total number of respondents is 27,268.
02

Calculate the Percentage of Respondents who Answered Zero

The no. of participants who answered zero is given as 18,712. So percentage can be calculated as \((18712/27268)*100\) in part (a).
03

Calculate the Percentage of Male Students who Repeated Binge Drinking

In part (b), for students who answered five or more days, the number of male students who responded is 495, so percentage can be calculated as \((495/853)*100\).
04

Calculate the Percentage of Male Students who Reported Heavy Consumption

In part (c), the number of male students who drank five or more drinks three or more days is the sum of the third and fourth rows, 912 + 495 = 1407. The percentage can be calculated as \((1407/8956)*100\).
05

Calculate the Percentage of Female Students who Reported Heavy Consumption

Lastly in part (d), the number of female students who drank five or more drinks three or more days is the sum of the third and fourth rows, 966 + 358 = 1324. The percentage can be calculated as \((1324/18312)*100\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Binge Drinking
Binge drinking is defined as consuming a large amount of alcohol in a short period. Typically, for college studies, it involves drinking five or more drinks in one sitting for men and four or more for women. This behavior is particularly common among college students. It poses significant health and safety risks, including liver problems, alcohol poisoning, and increased risk of accidents or injuries. It's crucial to understand why binge drinking occurs to address and reduce its prevalence. Factors such as stress, peer pressure, and cultural norms can contribute to this behavior. By analyzing survey data, researchers can identify patterns and work on interventions to promote safer drinking habits.
Survey Analysis
Survey analysis involves examining data collected from questionnaires to extract meaningful insights. The American College Health Association-National College Health Assessment conducted a survey, polling over 27,000 students to assess their drinking habits among other health behaviors.
  • It is crucial to ensure the sample is representative to generalize findings to the wider student population.
  • Questions should be structured to elicit clear, honest responses.
For the study in question, data showed how many times students reported binge drinking over two weeks. By organizing responses into categories, analysts can identify trends such as prevalence and demographic differences in drinking behavior. This data can further inform policies and programs aimed at reducing harmful drinking patterns in colleges.
Percentage Calculation
Calculating percentages is a fundamental part of data analysis, enabling researchers to understand proportions relative to the whole. It鈥檚 calculated by dividing the part by the whole and multiplying by 100.
In the survey, different calculations were performed to determine:
  • The percentage of total respondents who did not binge drink in the specified period.
  • The percentage of males and females engaging in binge drinking activities in certain categories.
For example, to find what percent of the total respondents reported zero episodes of binge drinking: \[\text{Percentage} = \left(\frac{18712}{27268}\right) \times 100 \approx 68.6\%\]Understanding how to calculate these percentages allows us to make comparisons and track behavior changes over time, which is essential for developing effective health strategies.

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Most popular questions from this chapter

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