"TABLE 5 Sample Sizes (Unweighted) and Standard Errors (SE) of Estimates Weighted to Reflect Total Reflect Total U.S. Population Age 16+ for Figure 5",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Walked in past 30 days ,Total,Male,Female,16-24,25-34,35-44,45-54,55-64,65+,Non-Hisp. White,Non-Hisp. Black,Non-Hisp. Other,Hispanic,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Sample size,"7,562","3,072","4,490","1,032","1,410","1,630","1,475",993,"1,022","5,883",585,406,688,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, Standard errors of estimates ,0.02,0.03,0.02,0.04,0.06,0.04,0.03,0.03,0.03,0.02,0.06,0.07,0.04,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, "SOURCE: National Survey of Pedestrian and Bicyclist Attitudes and Behaviors, 2002. National Highway Traffic Safety Administration (NHTSA) and Bureau of Transportation Statistics (BTS).",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,