A study found relative risk of passive smoking to have depression to be 1.05. what is interpretation?: (A) Positive association, (B) No association, (C) Negative association, (D) Not significant
Answer is A. - R.R = Ie/ Ine - Interpretation of Relative risk RR > 1 Positive association RR = 1 No association RR < 1 Negative/ Inverse association - As question stated RR 1.05; it shows positive association