QuickStats: Percentage of Children Aged <18 Years with an Impairment or Health Problem That Limits Crawling, Walking, Running, or Playing, by Age Group and Poverty Status* —- National Health Interview Survey (NHIS), United States, 2001—2007†

QuickStats: Percentage of Children Aged <18 Years with an Impairment or Health Problem That Limits Crawling, Walking, Running, or Playing, by Age Group and Poverty Status* —- National Health Interview Survey (NHIS), United States, 2001—2007