Table 7 Demographic characteristics by time spent preparing for the test. Binary logistic regression model with preparingā>ā20Ā h as the outcome variable and demographic variables as covariates as the final column. The reference category for each variable has an odds ratio of 1. Missing values not included in chi-squared tests or regression analysis. Significant results with negative direction of effect have been shaded red whilst significant results with positive direction of effect have been shaded green