Course Notes - Department of Mathematics and Statistics

OR = 0.81 with CI (0.39,1.70)• p > 0.05 and inconclusive• conclude no evidence of an association even though CI includesclinically important effects.• the point estimate is in the “protection” range (harm is above 1)OR = 0.85 with CI (0.53,1.37)• p > 0.05 and conclusive• the point estimate is in the “protection” range and CI excludesany clincally important harm.OR = 0.81 with CI (0.67,0.97)• p < 0.05 and conclusive• CI excludes 1, and is entirely less than 1, indicating benefit fromswimming.OR = 1.23 with CI (1.03,1.48)• p < 0.05 and conclusive• CI excludes 1, and is entirely above 1, but exlcludes clinicallyinportant difference.• there is evidence of an association between exposure to chlorinatedwater for more than 6 hours per week but the increased odds arenot clinically important.152