Question

12. Interview with 185 persons engaged in a stressful occupation revealed the following classification. Alcoholic Total Alcoholic 54 22 76 Nonalcoholic 27 82 109 81 104 185 Total a. Find the risk ratio point estimator, 95% confidence interval for risk ratio and interpret b. Find the risk ratio point estimator, 95% confidence interval for risk ratio and interpret c. From the confidence interval, do you reject Ho:RR-1,vs Ho: RR +1 d. From the confidence interval, do you reject Ho: RRs: 1, vs Ho: RR 1

Answer 1

(12) iven Total AlCoholfc 54 29 北 82 lb Tolal 8l 1叫 og bint 23Hmaler trete 히¡왜.oolfo : 28683 can also inerpt dhis -0186 5 ondere Interval チ1 t0 l'o50% ± 1.9 610033222») t-oso8 0.0651164 (0.9856, .159

l to vs RR b) 9a29 by fpt n) 95% Confidence Inkrtal ± 496(0.0490 11) -D, 31238Y