1133 CHALLENGE EXERCISES 1. Asthma is a disease that affects the lungs, causing repeated episodes of wheezing, breathles

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1133 Challenge Exercises 1 Asthma Is A Disease That Affects The Lungs Causing Repeated Episodes Of Wheezing Breathles 1 (50.23 KiB) Viewed 140 times

1133 CHALLENGE EXERCISES 1. Asthma is a disease that affects the lungs, causing repeated episodes of wheezing, breathlessness, chest tightness, and nighttime or early morning coughing. Asthma can be triggered by a variety of allergens and irritants, including the droppings, body parts, and saliva of cockroaches, Cockroaches are often found in inner-city housing, increasing the possibility of asthma attacks in those sensitive to cockroach allergens. Researchers were interested were reported as compared to asthma attacks in housing where there is no in rates of asthma attacks in children ages 5 to 7 in housing where cockroaches evidence of cockroach infestation. The researchers recruited 10,000 partici are the most common. The participants were asked if they had ever been pants from 12 different cities in the southern United States, where cockroaches diagnosed with asthma and whether they had ever noticed cockroaches in their buildings. There were 4,000 individuals from buildings with cockroach infestation; the remaining participants reported no cockroaches in their build- ings. There were 1,030 asthma cases in the total group, with 720 reported cases in the cockroach-infested group. Complete the following 2 x 2 table with this information. Be sure to properly label your exposure and outcome. What type of study design is this? How do you know? a b. What is the exposure, and what is the outcome? c. What is the prevalence of asthma in those that lived in cockroach-infested buildings? d. What is the prevalence of asthma in those that did not live in cockroach- infested buildings? e Calculate the prevalence ratio comparing the prevalence of asthma in those that lived in cockroach-infested buildings to those who did not live in cockroach-infested buildings. f. Fully interpret the meaning of this association.