Question
A cohort study was conducted in Zambia to investigate if using ceramic water filters reduced the risk of diarrheal illness over a one-year time period.
A cohort study was conducted in Zambia to investigate if using ceramic water filters reduced the risk of diarrheal illness over a one-year time period. Using the 2 x 2 table below, calculate the risk differenceto estimate the effect of ceramic filters on diarrhea.
| Diarrhea | No Diarrhea | |
Ceramic Filter Use | 79 | 450 |
| No Ceramic Filter Use | 220 | 500 |
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Statistics Unlocking The Power Of Data
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
1st Edition
0470601876, 978-0470601877
