Question: A) The epidemiologists created this 2x2 table for their study. Hypertension Yes No Total Age 60+ 815 500 1315 40-59 265 420 685 Total 1080
A) The epidemiologists created this 2x2 table for their study.
Hypertension
Yes No Total
Age
60+ 815 500 1315
40-59 265 420 685
Total 1080 920 2000
Calculate and interpret the crude (overall) odds ratio for the study.
B) Next the researchers investigated the relationship between the rural/urban residence and hypertension.
Hypertension
Residence
Yes No Total
Rural 680 320 1000
Urban 400 600 1000
Total 1080 920 2000
Calculate and interpret the odds ratio for the relationship between residence and hypertension.
C) The 3rd step in their investigation was to measure the relationship between age and residence. The epidemiologists created this 2x2 table.
Residence
Rural Urban Total
Age
60+ 840 475 1315
40-59 160 525 685
Total 1000 1000 2000
Calculate and interpret the odds ratio for the relationship between age and residence.
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