A national survey of asthma conducted on 5/1/22, obtained the…
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Get it written →A national survey of asthma conducted on 5/1/22, obtained the following results for the state of Pennsylvania; X= the number of residents with asthma; Y=the population of the PA on 6/30/22, and all members of the population were considered at risk; Z= the number of new cases of asthma diagnosed during 2022. The point prevalence of asthma (proportion) on 5/1/22, would be expressed as:
a- Z/Y
b- Z/X
c- X/Y
d- Y/X
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Hill’s criteria of causality include: (CHECK ALL THAT APPLY)
– Bias
– Biological gradient
– Stength
– Temporality
– Coherence
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