Do CMU Undergrads Lead Do CMU Undergrads Lead a Healthy Lifestyle?a Healthy Lifestyle?

John LeeJohn Lee

Meredith PowersMeredith Powers

Shamil PatelShamil Patel

Dan BrunerDan Bruner

36-203 36-203

Sampling, Surveys, and SocietySampling, Surveys, and Society

April 26, 2001 April 26, 2001

IntroductionIntroduction

• Why did we choose this subject?Why did we choose this subject?

• What are the implications of this What are the implications of this subject?subject?

• What are the future considerations What are the future considerations for this subject?for this subject?

Main Issues for DiscussionMain Issues for Discussion

• What percent of CMU undergrads are What percent of CMU undergrads are healthy when compared to official healthy when compared to official standards?standards?

• In which areas are students similar to the In which areas are students similar to the ideal and in which areas are they not?ideal and in which areas are they not?

• Is there a difference among students of Is there a difference among students of different years?different years?

Criteria for a Healthy StudentCriteria for a Healthy Student

• Composition of dietComposition of diet

• Sleep patternsSleep patterns

• Intentional Physical ActivityIntentional Physical Activity

• Alcohol and Tobacco UseAlcohol and Tobacco Use

• Amount of Stress and DepressionAmount of Stress and Depression

Our PredictionsOur Predictions

• We predict that about ½ of all CMU students lead We predict that about ½ of all CMU students lead healthy lifestyles as determined by the standards healthy lifestyles as determined by the standards we obtainedwe obtained

• We also predict that seniors lead the healthiest We also predict that seniors lead the healthiest lifestyles, followed by juniors, then sophomores, lifestyles, followed by juniors, then sophomores, then freshmenthen freshmen

Sampling InformationSampling Information

• Target PopulationTarget Population: CMU Undergraduates: CMU Undergraduates

• Sampling FrameSampling Frame: Ethan Tira-Thompson’s : Ethan Tira-Thompson’s master e-mail listmaster e-mail list

• Sampled PopulationSampled Population: Random selection of : Random selection of students from list, stratified by yearstudents from list, stratified by year

• Sample SizeSample Size: Chose size 372 based on : Chose size 372 based on expected response rates and margin of errorexpected response rates and margin of error

Questionnaire Design and Questionnaire Design and ImplementationImplementation

• Asked questions about respondent’s background, Asked questions about respondent’s background, diet, exercise patterns, sleep patterns, alcohol and diet, exercise patterns, sleep patterns, alcohol and tobacco use, and stress and depression levelstobacco use, and stress and depression levels

• Pilot study showed no major problemsPilot study showed no major problems• Initial email sent out on April 14, first email Initial email sent out on April 14, first email

follow-up sent out 3 days later, second email phase follow-up sent out 3 days later, second email phase sent out 5 days after that, phone call phase initiated sent out 5 days after that, phone call phase initiated 2 days after that2 days after that

Response RatesResponse Rates

Response rate over time

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4/14/01 4/15/01 4/16/01 4/17/01 4/18/01 4/19/01 4/20/01 4/21/01 4/22/01 4/23/01 4/24/01 4/25/01

Date

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Non-response PlotNon-response Plot

College Distribution of RespondentsCollege Distribution of Respondents

College Distribution

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Respondents

Actual

Distribution of Respondents by Distribution of Respondents by YearYear

Response by Year

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Comparison of Total Meals to Meals on Comparison of Total Meals to Meals on CampusCampus

Number of Meals Eaten in Past 24 Hrs

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Meals Eaten on Campus in past 24 Hrs

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0 1 2 3 4 5

Comparison of On-Campus Meals by Comparison of On-Campus Meals by YearYear

Freshman Meals on Campus

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Sophomore Meals on Campus

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Comparison of On-Campus Meals by Comparison of On-Campus Meals by Year (continued)Year (continued)

Senior & 5th Year Meals on Campus

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Junior Meals on Campus

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Comparison of On-Campus Meals Comparison of On-Campus Meals (Summary)(Summary)

Meals Eaten on Campus

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Students’ Rating of Their Own HealthStudents’ Rating of Their Own Health

How Healthy Are You?1=Constantly Ill, 5 = Always Feel Great

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Comments Received from RespondentsComments Received from Respondents

• I'd just like to mention that my situation is a bit I'd just like to mention that my situation is a bit different than most. I'm on the swim team and if different than most. I'm on the swim team and if you had sent me this survey 2 months ago, i would you had sent me this survey 2 months ago, i would have given completely different answers. I'm not in have given completely different answers. I'm not in season right now so I'm not really exercising but season right now so I'm not really exercising but when i am i work out like 8 times a week and eat a when i am i work out like 8 times a week and eat a lot more food. i just wanted to make this clear.lot more food. i just wanted to make this clear.  

• If I happen to accidentally get the free exercise If I happen to accidentally get the free exercise card, you should probably select someone else to card, you should probably select someone else to receive it. While I appreciate the thought, I know receive it. While I appreciate the thought, I know I'd never use it.I'd never use it.

Comments Received from Respondents Comments Received from Respondents (continued)(continued)

• This school sucks in everythingThis school sucks in everything

• Most people here are very unhealthy due to stress and the Most people here are very unhealthy due to stress and the inability to deal with personal problems due to the heavy inability to deal with personal problems due to the heavy workload. Also this campus is extremely hostile and workload. Also this campus is extremely hostile and antisocial. People's personal lives and relationships are antisocial. People's personal lives and relationships are often suffering at the expense of school. The depression often suffering at the expense of school. The depression rate is very high and I have known people who have made rate is very high and I have known people who have made attempts on their lives. attempts on their lives. 

Comments Received From Respondents Comments Received From Respondents (continued)(continued)

• The Survey didn't really ask too many interesting or useful The Survey didn't really ask too many interesting or useful questions.Maybe you could try to correlate homework load questions.Maybe you could try to correlate homework load with free time to do athletic stuff. Maybe you could try and with free time to do athletic stuff. Maybe you could try and investigate that people are eating sh**ty food on campus investigate that people are eating sh**ty food on campus because that's all that's available around here. Oh, and because that's all that's available around here. Oh, and CMU should relocate to California and get a Road Cycling CMU should relocate to California and get a Road Cycling Team ! Thanks. Hope you get an A :-)Team ! Thanks. Hope you get an A :-)