Statistics > QUESTIONS & ANSWERS > Grand Canyon University - HLT 362V HLTV Exercise 6,8,9 All Graded A+ (All)

Grand Canyon University - HLT 362V HLTV Exercise 6,8,9 All Graded A+

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Exercise 6 1. What are the frequency and percentage of the COPD patients in the severe airflow limitation group who are employed in the Eckerblad et al. (2014) study? 49 patients, 53.9% 2. What p ... ercentage of the total sample is retired? What percentage of the total sample is on sick leave? 61% retired, 15% on sick leave 3. What is the total sample size of this study? What frequency and percentage of the total sample were still employed? Show your calculations and round your answer to the nearest whole percent. Sample size = 91 31 participants or 34% of the participants were still employed. 14+17 = 31 31/91 = 0.340659340659 = 34.0659% = 34% 4. What is the total percentage of the sample with a smoking history—either still smoking or former smokers? Is the smoking history for study participants clinically important? Provide a rationale for your answer. 97% of the participants have a smoking history. This is a significant correlation with the disease process, making having a smoking history to be clinically important. 5. What are pack years of smoking? Is there a significant difference between the moderate and severe airflow limitation groups regarding pack years of smoking? Provide a rationale for your answer. Pack years of smoking is calculated by multiplying the number of packs smoked per day by the number of years spent smoking. The average pack years for moderate airflow limitation is 29.1 and the average pack years for severe air flow limitation is 34. This is a 15.5% increase in pack years. 6. What were the four most common psychological symptoms reported by this sample of patients with COPD? What percentage of these subjects experienced these symptoms? Was there a significant difference between the moderate and severe airflow limitation groups for psychological symptoms? The four most common psychological symptoms reported are: Difficulty sleeping: 52% Worrying: 33% [Show More]

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