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You are provided with data as shown in the table below. Provide the SAS code for each section. Write a program in SAS to calculate

You are provided with data as shown in the table below. Provide the SAS code for each section.

  1. Write a program in SAS to calculate the following:

i) for each gender, the frequency of fish consumed by species
ii) for the age groups <45 and ≥45, the frequency of fish consumed by species
iii) same as ii but limited to residents of Wayne County (County=82)

B. Write a program to summarize the distribution of blood mercury levels by fish species.

Participant

Age

Gender

Species Consumed

Blood Mercury Level

County

1

42

1

Catfish

15

25

2

67

1

Perch

20

33

3

22

1

Catfish

<1*

82

4

35

2

Catfish

20

55

5

19

1

Perch

<1*

82

6

88

1

Perch

1

11

7

55

2

Perch

3

82

8

25

2

Catfish

10

41

9

30

1

Catfish

9

50

10

18

1

Catfish

5

72

*1.0 is the laboratory limit of detection for mercury; these values are below the limit of detection

2. You have been asked to create a statistical model describing the relationship between blood mercury levels and the other variables below collected from 20,000 study participants. Describe the steps you would take to perform this task and include the programs you would use.

Variable

Variable type (range or categories)

Age

continuous (18 – 70 years)

Race

3 categories (black, white, other)

Sex

binary (female, male)

Residence

83 categories (county codes)

Frequency of fish consumption per week

4 categories (>once/week, once/week or less, did not consume, unknown)

Blood mercury level

continuous (<1- 25)

Distance from the pollution source

continuous (0-50 miles)

3. You are asked to examine hospitalizations for two major types of respiratory disease – Chronic Obstructive Pulmonary Disease (COPD) and Asthma. You generate the following two tables for Michigan resident hospital discharges in 2012. (Rates are per 100,000 Michigan residents). Prepare a short narrative that describes, interprets, and compares the data in the two tables; assume you are writing this for the results section of a paper you are preparing for publication.

Primary Discharge Diagnosis: COPD

Age Group

Male

Female

Total

Number

Rate

Number

Rate

Number

Rate

<20

30

2.1

6

0.4

36

1.3

20-44

210

12.1

24

1.4

234

6.8

45+

240

13.2

30

1.4

270

6.9

Total

480

9.7

60

1.2

540

5.4

Primary Discharge Diagnosis: Asthma

Age Group

Male

Female

Total

Number

Rate

Number

Rate

Number

Rate

<20

10

0.7

10

0.7

20

0.7

20-44

80

4.6

70

4.1

150

4.4

45+

55

3.0

45

2.2

100

2.6

Total

145

2.9

125

2.4

270

2.7

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