9. Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as the kidney, spine, and brain. If not treated properly, TB discase can be fatal. TB bacteria are spread through the air from one person to another. The TB bacteria are put into the air when a person with TB disease of the lungs or throat coughs, speaks, or sings. People nearby may breathe in these bacteria and become infected. People with TB discase are most likely to spread it to people they spend time with every day. Consequently. TB in incarcerated populations is a serious health concerm. Rescarchers were interested in looking at TB by dormitory wing at the local state penitentiary. The cast wing of the prison has two people per cell whereas the west wing has only one person per cell. To conduct the study, incarcerated individuals were asked in which wing they lived and whether they had TB. There were a total of 294 participants with IS7 participants that lived in the East Wing. The remainder lived in the West Wing. There were 32 total cases of TB, with 28 cases in participants assigned to the East Wing. Complete the table with this information and answer the questions that follow. TB No TB Total East Wing West Wing Total 1. What type of study design is this? How do you know? 2. Which group is the exposed group? How do you know?
9. Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as the kidney, spine, and brain. If not treated properly, TB discase can be fatal. TB bacteria are spread through the air from one person to another. The TB bacteria are put into the air when a person with TB disease of the lungs or throat coughs, speaks, or sings. People nearby may breathe in these bacteria and become infected. People with TB discase are most likely to spread it to people they spend time with every day. Consequently. TB in incarcerated populations is a serious health concerm. Rescarchers were interested in looking at TB by dormitory wing at the local state penitentiary. The cast wing of the prison has two people per cell whereas the west wing has only one person per cell. To conduct the study, incarcerated individuals were asked in which wing they lived and whether they had TB. There were a total of 294 participants with IS7 participants that lived in the East Wing. The remainder lived in the West Wing. There were 32 total cases of TB, with 28 cases in participants assigned to the East Wing. Complete the table with this information and answer the questions that follow. TB No TB Total East Wing West Wing Total 1. What type of study design is this? How do you know? 2. Which group is the exposed group? How do you know?
Chapter9: A Breath Of Fresh Air
Section: Chapter Questions
Problem 1.2CS
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Transcribed Image Text:9. Tuberculosis (TB) is caused by a bacterium called Mycobacterium tuberculosis. The
bacteria usually attack the lungs, but TB bacteria can attack any part of the body such as
the kidney, spine, and brain. If not treated properly, TB discase can be fatal. TB bacteria
are spread through the air from one person to another. The TB bacteria are put into the
air when a person with TB disease of the lungs or throat coughs, speaks, or sings. People
nearby may breathe in these bacteria and become infected. People with TB discase are
most likely to spread it to people they spend time with every day. Consequently. TB in
incarcerated populations is a serious health concerm.
Rescarchers were interested in looking at TB by dormitory wing at the local state
penitentiary. The cast wing of the prison has two people per cell whereas the west wing
has only one person per cell. To conduct the study, incarcerated individuals were asked
in which wing they lived and whether they had TB. There were a total of 294
participants with 1S7 participants that lived in the East Wing. The remainder lived in the
West Wing. There were 32 total cases of TB, with 28 cases in participants assigned to
the East Wing. Complete the table with this information and answer the questions that
follow.
TB
No TB
Total
East Wing
West Wing
Total
1. What type of study design is this? How do you know?
2. Which group is the exposed group? How do you know?
3. What is the (choose: incidence / prevalence) in the exposed group?
4. What is the (choose: incidence / prevalence) in the unexposed group?
5. State and calculate the appropriate measure of association.
6. Fully interpret the meaning of this association, in words.
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