A study investigated the relationship between anxiety and weekly exercise. 100 cases with anxiety diagnosed from 2007–2017 between the ages of 30-60 years and 110 non-blood relatives as controls were interviewed about weekly exercise and other potentially aetiological variables (confounders). If the OR is (odds ratio (OR)=1.5, 95% confidence interval (CI)=0.9, 2.3). What does this mean?