For every 100 girls 3 to 5 years old with difficulty
walking, running or playing 230 boys the same age have difficulty walking,
running or playing.
http://www.census.gov/prod/2006pubs/p70-107.pdf
For every 100 girls and women ages 15 to 24 years with a
disability and need assistance 116 boys and men ages 15 to 24 years have a
disability and need assistance.
http://www.census.gov/prod/2006pubs/p70-107.pdf