Question
A cross-sectional study was conducted to assess associations of presence of a smoker in the home and parent-reported ear infection in children. The data below
A cross-sectional study was conducted to assess associations of presence of a smoker in the home and parent-reported ear infection in children. The data below were generated based on the study. Based on these data, the prevalence ratio for the associationof having a smoker in the home and ear infection in the child is:
Ear Infection | No Ear Infection | |
A smoker present in the home | 300 | 600 |
No smoker in the home | 400 | 2000 |
| A. | 2 |
| B. | 2.5 |
| C. | 4 |
| D. | 0.5 |
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Functional Analysis And The Feynman Operator Calculus
Authors: Tepper L Gill, Woodford W Zachary, Zachary Woodford
1st Edition
331927595X, 9783319275956
