A study was conducted to evaluate the association between benzene exposure and leukemia.

2X2 Table format

Answer 1

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

2X2 Table format

Answer 2

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

a

Answer 3

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

b

Answer 4

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

c

Answer 5

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

d

Answer 6

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

a+b

Answer 7

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

c+d

Answer 8

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

a+c

Answer 9

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

b+d

Answer 10

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

Risk of leukemia among workers who were exposed to benzene?

Answer 11

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

Risk of leukemia among workers who were not exposed to benzene?

Answer 12

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

The Risk Ratio is

Answer 13

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

The 95% Confidence INterval for the Risk ratio is

Answer 14

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

The Risk Difference is 

Answer 15

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630

The 95% Confidence for the Risk Difference is:

Answer 16

Choose...

370

10 000

0.02

0.68

2.35 to 3.62

0.03

250

0.41

1.64

120

2.92

9750

13880

Correct 2X2 table format

0.27

0.016 to 0.027

1.32 to 2.04

0.01

Incorrect 2X2 table format

2.97

14 000

23 630