Question

Association between nurse work fatigue and flu.

	Developed flu	Did not develop flu	Total
Worked > 40 hours/week	38	148	186
Worked ≤ 40 hours/week	13	156	169
Total	51	304	355

The odds ratio is 3.08. Write an interpretation.

Association between nurse work fatigue and flu.

	Developed flu	Did not develop flu	Total
Worked > 40 hours/week	38	148	186
Worked ≤ 40 hours/week	13	156	169
Total	51	304	355

The relative risk is 2.66. Write an interpretation.

Answer 1

Ans The odd ratio is 3.08

Interpretation:- The odds of developing flu for nurse who worked more than 40hours per week relative to those who worked less than or equal to 40 hours per week are 3.08 to 1

Ans the relative risk is 2.66

Nurses who work more than 40 hours per week have 2.66 times the risk of developing flu compared to nurses who work less than or equal to 40 hours per week.