# Questions to Be Graded: Exercises 6, 8, 9, 27

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Questions to Be Graded: Exercise 27

Use MS Word to complete "Questions to be Graded: Exercise 27" in Statistics for Nursing Research: A Workbook for Evidence-Based Practice. Submit your work in SPSS by copying the output and pasting into the Word document. In addition to the SPSS output, please include explanations of the results where appropriate.

Questions to Be Graded: Exercises 6, 8 and 9

Complete Exercises 6, 8, and 9 in Statistics for Nursing Research: A Workbook for Evidence-Based Practice, and submit as directed by the instructor.

andythewxman
School: Cornell University

Here is your completed work. Please let me know if there are any question.

1

Exercises 6, 8, 9 and 27
Authorβs Name
Professorβs Name
Course Title
Date

STATISTICS

1

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?
The retired as a percentage of the total sample
πππ‘ππππ Γ100
π πππππ π ππ§π
77Γ100

=

(π πππππ π ππ§πβ14)Γ100
π πππππ π ππ§π

= 84.61%

91

Those on sick leave as a percentage of the total sample
=

π πππ ππππ£π Γ100
π πππππ π ππ§π

24Γ100

= 26.37%

91

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.
Whole Sample = 91
Freq. of employed to date= 14
ππππ Γ100

The employed as a percentage of whole sample = π πππππ π ππ§π =
14 Γ100
91

= 15.38%

Thus 15%
4What is the total percentage of the sample with a smoking historyβeither still smoking or
former smokers? Is the smoking history for study participants clinically important? Provide a
Those with smoking history as a percentage of the whole sample

STATISTICS

=

1

π ππππππ βππ π‘πππ¦ Γ100
π πππππ π ππ§π

=

(13+28+12+35)Γ100
91

88 Γ100
91

= 96.7%

Finding out if a patient has a smoking history is clinically significant in designing a
treatment plan, more so because as the number of pack-years increases the median overall
survival for most patients decreases.
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
Pack years is a measure of exposure to tobacco and its harmful effects.
Pack years= πππ. πππππ  πππ πππ¦ Γ ππ. ππ π¦ππππ  π πππππ
Some patients recorded a moderate number of pack-years, 29.1 or severe levels of 34.0.
As is seen from the figures, there is not much difference, 4.9%, between the two types of
smokers because they have consumed tobacco for many years and exposed their lungs to
damage. Only that one is more advanced than the other, and given how hard it is to drop
the vice, the moderate patient is bound to join the severe pack in a matter of days.
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 sample reported several common psychological problems, 52% reported having
difficulties sleeping, 33% said they worry too much, 28% were ...

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