Solution Manual for Statistics for Nursing Research A Workbook for Evidence-Based Practice, 3rd Edition, Susan Grove, Daisha Cipher

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? a. Frequency 7 b. Percent 14 2. What percentage of the total sample is retired? What percentage of the total sample is on sick leave? a. 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. a. Total sample is 91. Frequency still employed is 7+7=14. Percentage still employed is 100-61=39%. 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. a. 97% with smoking history. 28+69=97. Determining smoking history is important to calculate how much smoking has been done (pack year smoking). 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. a. Pack years of smoking is a way to measure how much smoking has been done for an individual, or in this case a group of individuals. There is no significant difference between the tw