exercise 6

# exercise 6 - Nam e Date Esperanza Ramirez Course HLT-362V...

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Nam e Esperanza Ramirez Course HLT-362V Date 9/16/17 Section OL191 Module 1 – Exercises 6, 8 and 9 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? Frequency 7 Percentage 14 2. What percentage of the total sample is retired? What percentage of the total sample is on sick leave? Retired 61% Sick Leave 15% 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. Moderate 42 + Severe airflow limits 49 = 91 sample size Frequency 7+7=14 Percentage 14/91 = 0.1538 x 100 = 15% 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. Still smoking = 13+12= 25 Former 28+35=63 63/91= 0.69x100= Total Percentage 69% Yes, smoking history is important since smoking is known to damage the lungs. According to the

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