Age (years)
|
Mean (SD)
|
11.3 (6.5)
|
21.8 (16.2)
|
Median (1st quartile, 3rd quartile)
|
10 (7, 15)
|
17 (9, 34)
|
Age Category n, (%)
|
≤ 4 years old
|
200 (12.3)
|
8 (5.1)
|
5–9 years old
|
544 (33.4)
|
35 (22.3)
|
10–14 years old
|
470 (28.9)
|
24 (15.3)
|
15–20 years old
|
232 (14.3)
|
19 (12.1)
|
21–24 years old
|
99 (6.1)
|
15 (9.6)
|
25–29 years old
|
54 (3.3)
|
9 (5.7)
|
30–35 years old
|
28 (1.7)
|
11 (7.0)
|
> 35 years old
|
NA
|
33 (21.0)
|
Race n, (%)
|
Caucasian
|
1406 (87.2)
|
140 (89.7)
|
Asian
|
83 (5.1)
|
6 (3.8)
|
Other
|
72 (4.5)
|
5 (3.2)
|
Black
|
29 (1.8)
|
3 (1.9)
|
Native American
|
18 (1.1)
|
2 (1.3)
|
Pacific Islander
|
4 (< 1)
|
0
|
Ethnicity n, (%)
|
Not Latino/Hispanic
|
1392 (90.2)
|
143
|
Latino/Hispanic
|
152 (9.8)
|
7
|
Ambulatory Status n, (%)
|
N = 1505
|
N = 140
|
Child is an infant/toddler and has not yet taken his/her first steps
|
11 (0.7)
|
0
|
Ambulatory
|
892 (59.3)
|
107 (76.4)
|
Usually/always walk without help or mobility devices
|
645 (42.9)
|
90 (64.3)
|
Sometimes need help from a mobility device
|
247 (16.4)
|
17 (12.1)
|
Nonambulatory
|
Use a wheelchair/other mobility device and rarely/ never walk
|
602 (40.0)
|
33 (23.6)
|