Mode of transport to school by gender, ethnic group, and distance from home to school.

WE = white Europeans, SA = South Asians, BAC = black African Caribbeans, row %s = row percentages, col %s = column percentages. †Pearson Chi2 test for difference between categories. ‡Fisher's Exact test for difference between categories. §‘Other’ ethnic group has been removed from the ethnic group analysis. *Distance to school in tertiles – number of subjects with missing data = 36.